28 EEPROM 2,400+

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Part RoHS Manufacturer Memory IC Type Temperature Grade No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Surface Mount No. of Functions Technology Screening Level Terminal Form Parallel or Serial Operating Mode Sector Size (Words) Maximum Supply Current No. of Words Input/Output Type Nominal Supply Voltage / Vsup (V) Toggle Bit Power Supplies (V) Memory Width Package Style (Meter) Package Equivalence Code Alternate Memory Width Sub-Category Minimum Data Retention Time Terminal Pitch Maximum Operating Temperature Reverse Pinout Output Characteristics Organization No. of Words Code Minimum Operating Temperature No. of Sectors/Size Command User Interface Terminal Finish I2C Control Byte Ready or Busy Terminal Position No. of Ports Write Protection JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Endurance Maximum Clock Frequency (fCLK) Width Qualification Maximum Write Cycle Time (tWC) Serial Bus Type Boot Block Memory Density Minimum Supply Voltage (Vsup) Additional Features Page Size (words) JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Type Maximum Standby Current Length Common Flash Interface Maximum Access Time Programming Voltage (V) Data Polling

AT28HC64B-70SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

40 mA

8192 words

5

YES

5

8

SMALL OUTLINE

SOP28,.4

EEPROMs

10

1.27 mm

85 Cel

3-STATE

8KX8

8K

-40 Cel

NO

MATTE TIN

DUAL

1

R-PDSO-G28

3

5.5 V

2.65 mm

100000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

65536 bit

4.5 V

64

e3

30

260

.0001 Amp

17.9 mm

70 ns

5

YES

AT28C256-15PU

Microchip Technology

EEPROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

IN-LINE

DIP28,.6

EEPROMs

10

2.54 mm

85 Cel

32KX8

32K

-40 Cel

NO

MATTE TIN

DUAL

HARDWARE/SOFTWARE

R-PDIP-T28

5.5 V

4.826 mm

10000 Write/Erase Cycles

15.24 mm

Not Qualified

10 ms

262144 bit

4.5 V

64

e3

.0002 Amp

37.0205 mm

150 ns

5

YES

AT28C64B-15PU

Microchip Technology

EEPROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

40 mA

8192 words

5

YES

5

8

IN-LINE

DIP28,.6

EEPROMs

10

2.54 mm

85 Cel

3-STATE

8KX8

8K

-40 Cel

NO

MATTE TIN

DUAL

1

R-PDIP-T28

5.5 V

4.826 mm

100000 Write/Erase Cycles

15.24 mm

Not Qualified

10 ms

65536 bit

4.5 V

100K ENDURANCE CYCLES; 10 YEARS DATA RETENTION; AUTOMATIC PAGE WRITE

64

e3

.0001 Amp

37.0205 mm

150 ns

5

YES

AT28C256-15SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

SMALL OUTLINE

SOP28,.4

EEPROMs

10

1.27 mm

85 Cel

32KX8

32K

-40 Cel

NO

MATTE TIN

DUAL

HARDWARE/SOFTWARE

R-PDSO-G28

3

5.5 V

2.65 mm

10000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

262144 bit

4.5 V

64

e3

30

260

.0002 Amp

17.9 mm

150 ns

5

YES

AT28C256-20FM/883

Microchip Technology

EEPROM

MILITARY

28

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

MIL-STD-883 Class C

FLAT

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

FLATPACK

FL28,.4

EEPROMs

1.27 mm

125 Cel

3-STATE

32KX8

32K

-55 Cel

NO

TIN LEAD

DUAL

R-CDFP-F28

1

5.5 V

3.02 mm

10000 Write/Erase Cycles

10.16 mm

Not Qualified

10 ms

262144 bit

4.5 V

AUTOMATIC WRITE

64

e0

.0003 Amp

18.285 mm

200 ns

5

YES

AT28C64B-15SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

40 mA

8192 words

5

YES

5

8

SMALL OUTLINE

SOP28,.4

EEPROMs

10

1.27 mm

85 Cel

3-STATE

8KX8

8K

-40 Cel

NO

MATTE TIN

DUAL

1

R-PDSO-G28

3

5.5 V

2.65 mm

100000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

65536 bit

4.5 V

100K ENDURANCE CYCLES; 10 YEARS DATA RETENTION; AUTOMATIC PAGE WRITE

64

e3

30

260

.0001 Amp

17.9 mm

150 ns

5

YES

AT28C64B-15SU-T

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

40 mA

8192 words

5

YES

8

SMALL OUTLINE

SOP28,.4

10

1.27 mm

85 Cel

3-STATE

8KX8

8K

-40 Cel

NO

MATTE TIN

DUAL

1

R-PDSO-G28

3

5.5 V

2.65 mm

100000 Write/Erase Cycles

7.5 mm

10 ms

65536 bit

4.5 V

100K ENDURANCE CYCLES; 10 YEARS DATA RETENTION; AUTOMATIC PAGE WRITE

64

e3

30

260

.0001 Amp

17.9 mm

150 ns

5

YES

AT28C256-25DM/883

Microchip Technology

EEPROM

MILITARY

28

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

MIL-STD-883 Class C

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32768 words

5

8

IN-LINE

2.54 mm

125 Cel

32KX8

32K

-55 Cel

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

10 ms

262144 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

37.215 mm

250 ns

5

AT28HC256-12FM/883

Microchip Technology

EEPROM

MILITARY

28

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

MIL-STD-883 Class B

FLAT

PARALLEL

ASYNCHRONOUS

80 mA

32768 words

5

YES

5

8

FLATPACK

FL28,.4

EEPROMs

10

1.27 mm

125 Cel

3-STATE

32KX8

32K

-55 Cel

NO

TIN LEAD

DUAL

R-CDFP-F28

5.5 V

3.02 mm

10000 Write/Erase Cycles

10.16 mm

Not Qualified

10 ms

262144 bit

4.5 V

AUTOMATIC WRITE

64

e0

.0003 Amp

18.285 mm

120 ns

5

YES

AT28HC256E-12SU-202

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE

1.27 mm

85 Cel

32KX8

32K

-40 Cel

DUAL

R-PDSO-G28

5.5 V

2.65 mm

7.5 mm

10 ms

262144 bit

4.5 V

17.9 mm

120 ns

5

CAT28C64BL-12

Catalyst Semiconductor

EEPROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

8192 words

5

YES

5

8

IN-LINE

DIP28,.6

EEPROMs

2.54 mm

70 Cel

8KX8

8K

0 Cel

NO

MATTE TIN

DUAL

R-PDIP-T28

5.5 V

5.08 mm

1000000 Write/Erase Cycles

15.24 mm

Not Qualified

5 ms

65536 bit

4.5 V

32

e3

.0001 Amp

36.695 mm

120 ns

5

YES

CAT28C64BL12

Onsemi

EEPROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

8192 words

5

YES

5

8

IN-LINE

DIP28,.6

EEPROMs

2.54 mm

70 Cel

8KX8

8K

0 Cel

NO

TIN

DUAL

R-PDIP-T28

5.5 V

5.08 mm

100000 Write/Erase Cycles

15.24 mm

Not Qualified

5 ms

65536 bit

4.5 V

32

e3

.0001 Amp

36.695 mm

120 ns

5

YES

AT28C256E-15SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

MIL-STD-883

GULL WING

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

SMALL OUTLINE

SOP28,.4

EEPROMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

NO

MATTE TIN

DUAL

R-PDSO-G28

3

5.5 V

2.65 mm

100000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

262144 bit

4.5 V

AUTOMATIC WRITE

64

e3

30

260

.0002 Amp

17.9 mm

150 ns

5

YES

AT28BV256-20SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

15 mA

32768 words

3

YES

3/3.3

8

SMALL OUTLINE

SOP28,.4

EEPROMs

10

1.27 mm

85 Cel

32KX8

32K

-40 Cel

NO

MATTE TIN

DUAL

1

HARDWARE/SOFTWARE

R-PDSO-G28

3

3.6 V

2.65 mm

10000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

262144 bit

2.7 V

AUTOMATIC WRITE

64

e3

30

260

.00005 Amp

17.9 mm

200 ns

3

YES

AT28HC256E-12SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

80 mA

32768 words

5

YES

5

8

SMALL OUTLINE

SOP28,.4

EEPROMs

1.27 mm

85 Cel

32KX8

32K

-40 Cel

NO

MATTE TIN

DUAL

R-PDSO-G28

3

5.5 V

2.65 mm

100000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

262144 bit

4.5 V

64

e3

30

260

.0003 Amp

17.9 mm

120 ns

5

YES

AT28LV256-25PI

Atmel

EEPROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

15 mA

32768 words

3.3

YES

3.3

8

IN-LINE

DIP28,.6

EEPROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

NO

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T28

3.465 V

5.59 mm

10000 Write/Erase Cycles

15.24 mm

Not Qualified

10 ms

262144 bit

3.135 V

AUTOMATIC WRITE

64

e0

.00005 Amp

36.95 mm

250 ns

3

YES

AT28C256-15UM/883

Microchip Technology

EEPROM

MILITARY

28

PGA

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

MIL-STD-883 Class C

PIN/PEG

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

GRID ARRAY

PGA28,5X6

EEPROMs

2.54 mm

125 Cel

3-STATE

32KX8

32K

-55 Cel

NO

TIN LEAD

PERPENDICULAR

R-CPGA-P28

5.5 V

4.4 mm

10000 Write/Erase Cycles

13.97 mm

Not Qualified

10 ms

262144 bit

4.5 V

AUTOMATIC WRITE

64

e0

.0003 Amp

16.51 mm

150 ns

5

YES

AT28LV256-25PC

Atmel

EEPROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

15 mA

32768 words

3.3

YES

3.3

8

IN-LINE

DIP28,.6

EEPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

NO

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T28

3.465 V

5.59 mm

10000 Write/Erase Cycles

15.24 mm

Not Qualified

10 ms

262144 bit

3.135 V

AUTOMATIC WRITE

64

e0

.00002 Amp

36.95 mm

250 ns

3

YES

5962-8751418XA

Microchip Technology

EEPROM

MILITARY

28

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

8192 words

5

8

IN-LINE

10

2.54 mm

125 Cel

8KX8

8K

-55 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.72 mm

10000 Write/Erase Cycles

15.24 mm

Not Qualified

65536 bit

4.5 V

AUTOMATIC WRITE; 10K ENDURANCE WRITE CYCLES; DATA RETENTION = 10 YEARS

e0

37.25 mm

350 ns

5

AT28HC256E-12SU-T

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE

1.27 mm

85 Cel

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-PDSO-G28

3

5.5 V

2.65 mm

7.5 mm

10 ms

262144 bit

4.5 V

e3

30

260

17.9 mm

120 ns

5

AT28HC256F-90SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE

1.27 mm

85 Cel

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-PDSO-G28

3

5.5 V

2.65 mm

7.5 mm

3 ms

262144 bit

4.5 V

e3

30

260

17.9 mm

90 ns

5

AT28C256F-15SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

SMALL OUTLINE

SOP28,.4

EEPROMs

10

1.27 mm

85 Cel

32KX8

32K

-40 Cel

NO

MATTE TIN

DUAL

HARDWARE/SOFTWARE

R-PDSO-G28

3

5.5 V

2.65 mm

10000 Write/Erase Cycles

7.5 mm

Not Qualified

3 ms

262144 bit

4.5 V

64

e3

30

260

.0002 Amp

17.9 mm

150 ns

5

YES

AT28C256-15PI

Atmel

EEPROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

MIL-STD-883

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

IN-LINE

DIP28,.6

EEPROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

NO

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T28

5.5 V

4.826 mm

10000 Write/Erase Cycles

15.24 mm

Not Qualified

10 ms

262144 bit

4.5 V

AUTOMATIC WRITE

64

e0

30

240

.0002 Amp

37.0205 mm

150 ns

5

YES

AT28C256-15SU-T

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE

1.27 mm

85 Cel

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-PDSO-G28

3

5.5 V

2.65 mm

7.5 mm

10 ms

262144 bit

4.5 V

e3

30

260

17.9 mm

150 ns

5

AT28BV256-20SU-T

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

15 mA

32768 words

3

YES

8

SMALL OUTLINE

SOP28,.4

1.27 mm

85 Cel

32KX8

32K

-40 Cel

MATTE TIN

DUAL

1

HARDWARE/SOFTWARE

R-PDSO-G28

3

3.6 V

2.65 mm

10000 Write/Erase Cycles

7.5 mm

10 ms

262144 bit

2.7 V

THE PART EXISTS IN EEPROM3V

64

e3

30

260

.00005 Amp

17.9 mm

200 ns

3

AT28C256-15PC

Atmel

EEPROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

MIL-STD-883

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

IN-LINE

DIP28,.6

EEPROMs

10

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

NO

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T28

1

5.5 V

4.826 mm

10000 Write/Erase Cycles

15.24 mm

Not Qualified

10 ms

262144 bit

4.5 V

AUTOMATIC WRITE

64

e0

30

225

.0002 Amp

37.0205 mm

150 ns

5

YES

AT28C256F-15DM/883

Microchip Technology

EEPROM

MILITARY

28

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

MIL-STD-883 Class B

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

8

IN-LINE

DIP28,.6

10

2.54 mm

125 Cel

32KX8

32K

-55 Cel

NO

DUAL

1

R-GDIP-T28

5.5 V

5.72 mm

10000 Write/Erase Cycles

15.24 mm

3 ms

262144 bit

4.5 V

64

NOT SPECIFIED

NOT SPECIFIED

.0003 Amp

37.215 mm

150 ns

5

YES

CAT28C256T13I-15TE7

Onsemi

EEPROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE, THIN PROFILE

.55 mm

85 Cel

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

2

5.5 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.5 V

e0

11.8 mm

150 ns

5

AT28C64B-15TU-T

Microchip Technology

EEPROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

8192 words

5

8

SMALL OUTLINE, THIN PROFILE

10

.55 mm

85 Cel

8KX8

8K

-40 Cel

MATTE TIN

DUAL

R-PDSO-G28

5.5 V

1.2 mm

100000 Write/Erase Cycles

8 mm

10 ms

65536 bit

4.5 V

100K ENDURANCE CYCLES; 10 YEARS DATA RETENTION; AUTOMATIC PAGE WRITE

e3

11.8 mm

150 ns

5

CAT28C256T13I-15TE13

Onsemi

EEPROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE, THIN PROFILE

.55 mm

85 Cel

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

2

5.5 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.5 V

e0

11.8 mm

150 ns

5

AT28HC64B-90SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

40 mA

8192 words

5

YES

5

8

SMALL OUTLINE

SOP28,.4

EEPROMs

10

1.27 mm

85 Cel

3-STATE

8KX8

8K

-40 Cel

NO

MATTE TIN

DUAL

1

R-PDSO-G28

3

5.5 V

2.65 mm

100000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

65536 bit

4.5 V

64

e3

30

260

.0001 Amp

17.9 mm

90 ns

5

YES

X28HC256SI-12

Renesas Electronics

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE

1.27 mm

85 Cel

32KX8

32K

-40 Cel

DUAL

R-PDSO-G28

5.5 V

2.65 mm

7.5 mm

5 ms

262144 bit

4.5 V

17.9 mm

120 ns

5

AT28C256-20DM/883

Microchip Technology

EEPROM

MILITARY

28

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

MIL-STD-883 Class C

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

8

IN-LINE

DIP28,.6

10

2.54 mm

125 Cel

32KX8

32K

-55 Cel

NO

DUAL

HARDWARE/SOFTWARE

R-GDIP-T28

5.5 V

5.72 mm

10000 Write/Erase Cycles

15.24 mm

10 ms

262144 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0003 Amp

37.215 mm

200 ns

5

YES

AT28C256E-25PI

Atmel

EEPROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

MIL-STD-883

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

IN-LINE

DIP28,.6

EEPROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

NO

TIN LEAD

DUAL

R-PDIP-T28

1

5.5 V

4.826 mm

100000 Write/Erase Cycles

15.24 mm

Not Qualified

10 ms

262144 bit

4.5 V

AUTOMATIC WRITE

64

e0

.0002 Amp

37.0205 mm

250 ns

5

YES

AT28HC256-70SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

80 mA

32768 words

5

YES

5

8

SMALL OUTLINE

SOP28,.4

EEPROMs

1.27 mm

85 Cel

32KX8

32K

-40 Cel

NO

MATTE TIN

DUAL

R-PDSO-G28

3

5.5 V

2.65 mm

10000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

262144 bit

4.5 V

64

e3

30

260

17.9 mm

70 ns

5

YES

CAT28C256T13I-15T

Onsemi

EEPROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

5

YES

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

EEPROMs

.55 mm

85 Cel

32KX8

32K

-40 Cel

NO

DUAL

R-PDSO-G28

1

5.5 V

1.2 mm

100000 Write/Erase Cycles

8 mm

Not Qualified

5 ms

262144 bit

4.5 V

10000 PROGRAM/ERASE CYCLES

64

.00015 Amp

11.8 mm

150 ns

5

YES

AT28C256-25PC

Atmel

EEPROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

MIL-STD-883

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

IN-LINE

DIP28,.6

EEPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

NO

TIN LEAD

DUAL

R-PDIP-T28

1

5.5 V

4.826 mm

10000 Write/Erase Cycles

15.24 mm

Not Qualified

10 ms

262144 bit

4.5 V

AUTOMATIC WRITE

64

e0

.0002 Amp

37.0205 mm

250 ns

5

YES

AT28BV256-20SC

Atmel

EEPROM

COMMERCIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

15 mA

32768 words

3

YES

3/3.3

8

SMALL OUTLINE

SOP28,.4

EEPROMs

1.27 mm

70 Cel

32KX8

32K

0 Cel

NO

TIN LEAD

DUAL

R-PDSO-G28

2

3.6 V

2.65 mm

10000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

262144 bit

2.7 V

AUTOMATIC WRITE

64

e0

240

.00002 Amp

17.9 mm

200 ns

3

YES

AT28BV256-20SI

Atmel

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

15 mA

32768 words

3

YES

3/3.3

8

SMALL OUTLINE

SOP28,.4

EEPROMs

10

1.27 mm

85 Cel

32KX8

32K

-40 Cel

NO

TIN LEAD

DUAL

HARDWARE/SOFTWARE

R-PDSO-G28

2

3.6 V

2.65 mm

10000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

262144 bit

2.7 V

AUTOMATIC WRITE

64

e0

240

.00005 Amp

17.9 mm

200 ns

3

YES

AT28C64B-15TU

Microchip Technology

EEPROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

40 mA

8192 words

5

YES

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

EEPROMs

10

.55 mm

85 Cel

8KX8

8K

-40 Cel

NO

MATTE TIN

DUAL

R-PDSO-G28

5.5 V

1.2 mm

100000 Write/Erase Cycles

8 mm

Not Qualified

10 ms

65536 bit

4.5 V

100K ENDURANCE CYCLES; 10 YEARS DATA RETENTION; AUTOMATIC PAGE WRITE

64

e3

.0001 Amp

11.8 mm

150 ns

5

YES

HN58C65P-25

Hitachi

EEPROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

25 mA

8192 words

5

NO

5

8

IN-LINE

DIP28,.6

EEPROMs

10

2.54 mm

70 Cel

8KX8

8K

0 Cel

NO

TIN LEAD

YES

DUAL

R-PDIP-T28

5.5 V

5.7 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

100000 ERASE/WRITE CYCLES; 10 YEARS DATA RETENTION; 32 BYTE PAGE WRITE; AUTOMATIC WRITE

32

e0

.001 Amp

35.6 mm

250 ns

5

YES

AT28C256-15FM/883

Microchip Technology

EEPROM

MILITARY

28

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

MIL-STD-883 Class C

FLAT

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

5

8

FLATPACK

FL28,.4

EEPROMs

1.27 mm

125 Cel

3-STATE

32KX8

32K

-55 Cel

NO

TIN LEAD

DUAL

R-CDFP-F28

1

5.5 V

3.02 mm

10000 Write/Erase Cycles

10.16 mm

Not Qualified

10 ms

262144 bit

4.5 V

AUTOMATIC WRITE

64

e0

.0003 Amp

18.285 mm

150 ns

5

YES

AT28HC256-90SU

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

80 mA

32768 words

5

YES

5

8

SMALL OUTLINE

SOP28,.4

EEPROMs

1.27 mm

85 Cel

32KX8

32K

-40 Cel

NO

MATTE TIN

DUAL

R-PDSO-G28

3

5.5 V

2.65 mm

10000 Write/Erase Cycles

7.5 mm

Not Qualified

10 ms

262144 bit

4.5 V

64

e3

30

260

.0003 Amp

17.9 mm

90 ns

5

YES

AT28HC256E-90TU

Microchip Technology

EEPROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

80 mA

32768 words

5

YES

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

EEPROMs

.55 mm

85 Cel

32KX8

32K

-40 Cel

NO

MATTE TIN

DUAL

R-PDSO-G28

3

5.5 V

1.2 mm

100000 Write/Erase Cycles

8 mm

Not Qualified

10 ms

262144 bit

4.5 V

64

e3

.0003 Amp

11.8 mm

90 ns

5

YES

AT28HC256E-90TU-T

Microchip Technology

EEPROM

INDUSTRIAL

28

TSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE, THIN PROFILE

.55 mm

85 Cel

32KX8

32K

-40 Cel

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

10 ms

262144 bit

4.5 V

11.8 mm

90 ns

5

AT28C256-15DM/883

Microchip Technology

EEPROM

MILITARY

28

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

MIL-STD-883 Class B

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32768 words

5

8

IN-LINE

2.54 mm

125 Cel

32KX8

32K

-55 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

10 ms

262144 bit

4.5 V

64

e0

37.215 mm

150 ns

5

AT28C256E-25DM/883

Microchip Technology

EEPROM

MILITARY

28

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

MIL-STD-883 Class B

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

5

YES

8

IN-LINE

DIP28,.6

10

2.54 mm

125 Cel

32KX8

32K

-55 Cel

NO

DUAL

1

R-GDIP-T28

5.5 V

5.72 mm

100000 Write/Erase Cycles

15.24 mm

10 ms

262144 bit

4.5 V

64

NOT SPECIFIED

NOT SPECIFIED

.0003 Amp

37.215 mm

250 ns

5

YES

AT28C64B-15SUSL383

Microchip Technology

EEPROM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

8192 words

5

8

SMALL OUTLINE

1.27 mm

85 Cel

8KX8

8K

-40 Cel

DUAL

R-PDSO-G28

5.5 V

2.65 mm

7.5 mm

10 ms

65536 bit

4.5 V

17.9 mm

150 ns

5

EEPROM

EEPROM, or Electrically Erasable Programmable Read-Only Memory, is a type of non-volatile computer memory that can store and retrieve data even when the power is turned off. EEPROM is commonly used in digital devices, such as computers, mobile phones, and digital cameras, to store configuration data, firmware, and other important information.

EEPROM works by storing data in a grid of memory cells that can be individually programmed and erased using electrical signals. Each memory cell consists of a transistor and a floating gate. The floating gate can hold an electric charge, which determines the state of the memory cell. To write data to the EEPROM, an electrical signal is applied to the transistor, which charges or discharges the floating gate. To read data from the EEPROM, an electrical signal is applied to the transistor, which determines the state of the floating gate.

One of the advantages of EEPROM is that it is non-volatile, which means that it can store data even when the power is turned off. This makes it ideal for storing critical data, such as system settings and firmware, that must be retained even in the absence of power.

EEPROM can also be reprogrammed and erased many times, which makes it a versatile and flexible memory technology. EEPROM can be programmed and erased in blocks or individually, depending on the specific requirements of the application.

One of the disadvantages of EEPROM is that it is slower than other types of computer memory, such as RAM or cache memory. EEPROM access times are measured in microseconds, which is much slower than access times for other types of memory. This makes EEPROM less suitable for applications that require high-speed data access.