STMicroelectronics EPROM 2,400+

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Part RoHS Manufacturer Memory IC Type Temperature Grade No. of Terminals Package Code Package Shape Package Body Material Surface Mount No. of Functions Technology Screening Level Nominal Negative Supply Voltage Terminal Form Parallel or Serial Operating Mode Maximum Supply Current No. of Words Input/Output Type Nominal Supply Voltage / Vsup (V) Power Supplies (V) Memory Width Package Style (Meter) Package Equivalence Code Alternate Memory Width Sub-Category Terminal Pitch Maximum Operating Temperature Output Characteristics Organization No. of Words Code Minimum Operating Temperature Terminal Finish Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width Qualification Memory Density Minimum Supply Voltage (Vsup) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Maximum Standby Current Length Maximum Access Time Programming Voltage (V)

M27C256B-10F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e3

.0001 Amp

36.92 mm

100 ns

12.75

M27C256B-12F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e3

.0001 Amp

36.92 mm

120 ns

12.75

M27C256B-15F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e3

.0001 Amp

36.92 mm

150 ns

12.75

M27C256B-70XF1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.25 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

e3

.0001 Amp

36.92 mm

70 ns

12.75

M27C512-15F6

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

e0

.0001 Amp

36.92 mm

150 ns

M27C512-15F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

e0

.0001 Amp

36.92 mm

150 ns

M27C512-90F6

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

36.92 mm

90 ns

M27C512-12F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

36.92 mm

120 ns

M27C512-10F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

36.92 mm

100 ns

M27C512-15F6X

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

DUAL

R-GDIP-T28

5.5 V

5.97 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

36.92 mm

150 ns

M27C1001-10F1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

131072 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

MATTE TIN

DUAL

R-CDIP-T32

5.5 V

5.72 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

e3

245

.0001 Amp

41.885 mm

100 ns

M27C1001-12F1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

131072 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

MATTE TIN

DUAL

R-CDIP-T32

5.5 V

5.72 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

e3

245

.0001 Amp

41.885 mm

120 ns

M27C1001-15F1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

131072 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

MATTE TIN

DUAL

R-CDIP-T32

5.5 V

5.72 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

e3

245

.0001 Amp

41.885 mm

150 ns

M27C256B-12F6

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e3

.0001 Amp

36.92 mm

120 ns

12.75

M27C512-12F3

STMicroelectronics

UVPROM

AUTOMOTIVE

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

125 Cel

3-STATE

64KX8

64K

-40 Cel

TIN

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

e3

.0001 Amp

36.92 mm

120 ns

M27C1001-10F1L

STMicroelectronics

COMMERCIAL

32

DIP

RECTANGULAR

CERAMIC

NO

CMOS

THROUGH-HOLE

30 mA

131072 words

COMMON

5

5

8

IN-LINE

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T32

Not Qualified

1048576 bit

e0

.0001 Amp

100 ns

M27C512-10F1E

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

MATTE TIN

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

e3

.0001 Amp

36.92 mm

100 ns

M27C64A-10F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

8192 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.5 V

5.97 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

e3

.0001 Amp

36.92 mm

100 ns

12.5

M27C512-10F1X

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

DUAL

R-GDIP-T28

5.5 V

5.97 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

36.92 mm

100 ns

M27C512-12F1E

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

MATTE TIN

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

e3

.0001 Amp

36.92 mm

120 ns

M27C4001-15F1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

524288 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

512KX8

512K

0 Cel

MATTE TIN

DUAL

R-CDIP-T32

5.5 V

5.72 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e3

245

.0001 Amp

41.885 mm

100 ns

M27C1001-10F1X

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

131072 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

MATTE TIN

DUAL

R-GDIP-T32

5.5 V

5.97 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

e3

.0001 Amp

41.885 mm

100 ns

M27C2001-10F1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

262144 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

256KX8

256K

0 Cel

Matte Tin (Sn)

DUAL

R-CDIP-T32

5.5 V

5.72 mm

15.24 mm

Not Qualified

2097152 bit

4.5 V

e3

10

245

.0001 Amp

41.885 mm

100 ns

M27C512-12F1X

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

DUAL

R-GDIP-T28

5.5 V

5.97 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

36.92 mm

120 ns

M27C1001-45XF1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

131072 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

MATTE TIN

DUAL

R-CDIP-T32

5.25 V

5.72 mm

15.24 mm

Not Qualified

1048576 bit

4.75 V

e3

.0001 Amp

41.885 mm

45 ns

M27C256B-12F1L

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.71 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e0

.0001 Amp

120 ns

12.75

M27C512-70XF1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

524288 bit

4.75 V

e0

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

36.92 mm

70 ns

M2732A-2F1

STMicroelectronics

UVPROM

COMMERCIAL

24

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

NMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

125 mA

4096 words

COMMON

5

5

8

IN-LINE

DIP24,.6

EPROMs

2.54 mm

70 Cel

3-STATE

4KX8

4K

0 Cel

TIN LEAD

DUAL

R-GDIP-T24

5.25 V

5.715 mm

15.24 mm

Not Qualified

32768 bit

4.75 V

21V PROGRAMMING VOLTAGE

e0

31.75 mm

200 ns

21

M27C1001-45F1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

131072 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

MATTE TIN

DUAL

R-CDIP-T32

5.5 V

5.72 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

e3

.0001 Amp

41.885 mm

45 ns

M27C64A-15F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

8192 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.5 V

5.97 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

e3

.0001 Amp

36.92 mm

150 ns

12.5

M27C256B-15F6

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

DUAL

R-CDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0002 Amp

36.92 mm

150 ns

12.75

M27C4001-10F1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

524288 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

512KX8

512K

0 Cel

MATTE TIN

DUAL

R-CDIP-T32

5.5 V

5.72 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e3

245

.0001 Amp

41.885 mm

100 ns

M27C4001-12F1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

524288 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

512KX8

512K

0 Cel

MATTE TIN

DUAL

R-CDIP-T32

5.5 V

5.72 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e3

.0001 Amp

41.885 mm

100 ns

M27C4002-10F1

STMicroelectronics

UVPROM

COMMERCIAL

40

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

70 mA

262144 words

COMMON

5

5

16

IN-LINE, WINDOW

DIP40,.6

EPROMs

2.54 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

MATTE TIN

DUAL

R-CDIP-T40

5.5 V

5.72 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e3

.0001 Amp

52.195 mm

100 ns

M27C4002-12F1

STMicroelectronics

UVPROM

COMMERCIAL

40

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

70 mA

262144 words

COMMON

5

5

16

IN-LINE, WINDOW

DIP40,.6

EPROMs

2.54 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

MATTE TIN

DUAL

R-CDIP-T40

5.5 V

5.72 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e3

245

.0001 Amp

52.195 mm

120 ns

M27C4002-45XF1

STMicroelectronics

UVPROM

COMMERCIAL

40

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

70 mA

262144 words

COMMON

5

5

16

IN-LINE, WINDOW

DIP40,.6

EPROMs

2.54 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

MATTE TIN

DUAL

R-CDIP-T40

5.25 V

5.72 mm

15.24 mm

Not Qualified

4194304 bit

4.75 V

e3

.0001 Amp

52.195 mm

45 ns

M27C4002-80XF1

STMicroelectronics

UVPROM

COMMERCIAL

40

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

70 mA

262144 words

COMMON

5

5

16

IN-LINE, WINDOW

DIP40,.6

EPROMs

2.54 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

MATTE TIN

DUAL

R-CDIP-T40

5.25 V

5.72 mm

15.24 mm

Not Qualified

4194304 bit

4.75 V

e3

.0001 Amp

52.195 mm

80 ns

M27C64A-20F6

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

8192 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

8KX8

8K

-40 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.5 V

5.97 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

e3

.0001 Amp

36.92 mm

200 ns

12.5

M27C4001-80XF1

STMicroelectronics

UVPROM

COMMERCIAL

32

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

524288 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP32,.6

EPROMs

2.54 mm

70 Cel

3-STATE

512KX8

512K

0 Cel

MATTE TIN

DUAL

R-CDIP-T32

5.25 V

5.72 mm

15.24 mm

Not Qualified

4194304 bit

4.75 V

e3

245

.0001 Amp

41.885 mm

80 ns

M27C512-15F1X

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

DUAL

R-GDIP-T28

5.5 V

5.97 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

36.92 mm

150 ns

M27C64A-20F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

8192 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.5 V

5.97 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

e3

.0001 Amp

36.92 mm

200 ns

12.5

M27C64A-25F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

8192 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

MATTE TIN

DUAL

R-CDIP-T28

5.5 V

5.97 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

e3

.0001 Amp

36.92 mm

250 ns

12.5

WS57C256F-35L

STMicroelectronics

UVPROM

COMMERCIAL

32

WQCCJ

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

COMMON

5

5

8

CHIP CARRIER, WINDOW

LDCC32,.5X.6

EPROMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

QUAD

R-CQCC-J32

5.5 V

4.06 mm

11.24 mm

Not Qualified

262144 bit

4.5 V

e0

.0002 Amp

13.945 mm

35 ns

12.75

WS57C256F-45L

STMicroelectronics

UVPROM

COMMERCIAL

32

WQCCJ

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

32768 words

5

8

CHIP CARRIER, WINDOW

1.27 mm

70 Cel

32KX8

32K

0 Cel

QUAD

R-CQCC-J32

5.5 V

4.06 mm

11.24 mm

Not Qualified

262144 bit

4.5 V

13.945 mm

45 ns

WS57C256F-45T

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.3

EPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.08 mm

7.62 mm

Not Qualified

262144 bit

4.5 V

e0

.0002 Amp

37.085 mm

45 ns

12.75

WS57C256F-55CMB

STMicroelectronics

UVPROM

MILITARY

32

WQCCN

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

MIL-STD-883 Class B

NO LEAD

PARALLEL

ASYNCHRONOUS

133 mA

32768 words

COMMON

5

5

8

CHIP CARRIER, WINDOW

LCC32,.45X.55

EPROMs

1.27 mm

125 Cel

3-STATE

32KX8

32K

-55 Cel

TIN LEAD

QUAD

R-CQCC-N32

5.5 V

3.3 mm

11.43 mm

Not Qualified

262144 bit

4.5 V

e0

.0005 Amp

13.97 mm

55 ns

12.5

WS57C256F-55D

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e0

.0002 Amp

37.215 mm

55 ns

12.75

WS57C256F-55L

STMicroelectronics

UVPROM

COMMERCIAL

32

WQCCJ

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

COMMON

5

5

8

CHIP CARRIER, WINDOW

LDCC32,.5X.6

EPROMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

MATTE TIN

QUAD

R-CQCC-J32

5.5 V

4.06 mm

11.24 mm

Not Qualified

262144 bit

4.5 V

e3

.0002 Amp

13.945 mm

55 ns

12.75

EPROM

EPROM, or Erasable Programmable Read-Only Memory, is a type of non-volatile computer memory that can be programmed and erased multiple times. EPROM was commonly used in computer systems and electronic devices in the 1970s and 1980s, but has largely been replaced by more advanced memory technologies.

EPROM works by storing data in a grid of memory cells that can be individually programmed and erased using ultraviolet light. Each memory cell consists of a transistor and a floating gate. To program the memory cell, a high voltage is applied to the transistor, which charges the floating gate. To erase the memory cell, ultraviolet light is applied to the chip, which removes the charge from the floating gate. The programming and erasing process can be repeated multiple times, making EPROM a reprogrammable memory technology.

EPROM has several advantages over other types of computer memory, such as ROM and RAM. EPROM can be reprogrammed multiple times, which makes it a versatile and flexible memory technology. EPROM is also 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.