28 EPROM 1,300

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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)

M27V256-100F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

10 mA

32768 words

COMMON

3.3

3.3

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

3.6 V

5.97 mm

15.24 mm

Not Qualified

262144 bit

3 V

e0

.00001 Amp

36.92 mm

100 ns

12.75

M87C257-15XF3X

STMicroelectronics

UVPROM

AUTOMOTIVE

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

125 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-GDIP-T28

5.25 V

5.71 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

e3

.0001 Amp

150 ns

M27V512-90F1

STMicroelectronics

UVPROM

COMMERCIAL

28

DIP

RECTANGULAR

CERAMIC

NO

CMOS

THROUGH-HOLE

30 mA

65536 words

COMMON

3.3/5

8

IN-LINE

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN LEAD

DUAL

R-XDIP-T28

Not Qualified

524288 bit

e0

.00001 Amp

90 ns

M87C257-90F1

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

90 ns

M27128AF1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

NMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

75 mA

16384 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

16KX8

16K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.25 V

5.71 mm

15.24 mm

Not Qualified

131072 bit

4.75 V

e0

250 ns

12.5

M87C257-90F6

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

90 ns

TTV27C256N-70C-25

STMicroelectronics

UVPROM

INDUSTRIAL

28

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

8

IN-LINE, WINDOW

DIP28,.6

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

DUAL

R-CDIP-T28

5.25 V

5.72 mm

15.26 mm

262144 bit

4.75 V

.0001 Amp

36.92 mm

70 ns

12.75

WS57C51C-70T

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

107 mA

16384 words

5

5

8

IN-LINE, WINDOW

DIP28,.3

EPROMs

2.54 mm

70 Cel

3-STATE

16KX8

16K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.08 mm

7.62 mm

Not Qualified

131072 bit

4.5 V

e0

.03 Amp

37.085 mm

70 ns

M27W512-100F6

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

15 mA

65536 words

COMMON

3

3/3.3

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

TIN

DUAL

R-GDIP-T28

3.6 V

5.97 mm

15.24 mm

Not Qualified

524288 bit

2.7 V

e3

.000015 Amp

36.92 mm

100 ns

WS57C49C-35CMB

STMicroelectronics

UVPROM

MILITARY

28

WQCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

MIL-STD-883 Class B

NO LEAD

PARALLEL

ASYNCHRONOUS

50 mA

8192 words

COMMON

5

5

8

CHIP CARRIER, WINDOW

LCC28,.45SQ

EPROMs

1.27 mm

125 Cel

3-STATE

8KX8

8K

-55 Cel

TIN LEAD

QUAD

S-CQCC-N28

3.3 mm

11.455 mm

Not Qualified

65536 bit

e0

.035 Amp

11.455 mm

35 ns

M2764AF1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

NMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

75 mA

8192 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.25 V

5.71 mm

15.24 mm

Not Qualified

65536 bit

4.75 V

e0

250 ns

12.5

M87C257-45XF7

STMicroelectronics

UVPROM

INDUSTRIAL

28

DIP

RECTANGULAR

CERAMIC

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

EPROMs

2.54 mm

105 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-XDIP-T28

15.24 mm

Not Qualified

262144 bit

LG-MAX

e3

.0001 Amp

38.1 mm

45 ns

TTV27C256N-15C-4

STMicroelectronics

UVPROM

COMMERCIAL

28

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

8

IN-LINE, WINDOW

DIP28,.6

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

DUAL

R-CDIP-T28

5.5 V

5.72 mm

15.26 mm

262144 bit

4.5 V

.0001 Amp

36.92 mm

150 ns

12.75

M87C257-80XF3

STMicroelectronics

UVPROM

AUTOMOTIVE

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

125 Cel

3-STATE

32KX8

32K

-40 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

80 ns

M87C257-20F7

STMicroelectronics

UVPROM

INDUSTRIAL

28

DIP

RECTANGULAR

CERAMIC

NO

CMOS

THROUGH-HOLE

30 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

EPROMs

2.54 mm

105 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-XDIP-T28

Not Qualified

262144 bit

e3

.0001 Amp

200 ns

5962-87529023C

STMicroelectronics

UVPROM

MILITARY

28

WQCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

38535Q/M;38534H;883B

NO LEAD

PARALLEL

SYNCHRONOUS

120 mA

2048 words

COMMON

5

5

8

CHIP CARRIER, WINDOW

LCC28,.45SQ

EPROMs

1.27 mm

125 Cel

REGISTERED

2KX8

2K

-55 Cel

Gold (Au)

QUAD

S-CQCC-N28

5.5 V

2.8956 mm

11.43 mm

Not Qualified

16384 bit

4.5 V

e4

.12 Amp

11.43 mm

35 ns

13.5

WS57C64F-55D

STMicroelectronics

COMMERCIAL

28

DIP

RECTANGULAR

CERAMIC

NO

CMOS

THROUGH-HOLE

98 mA

8192 words

COMMON

5

5

8

IN-LINE

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T28

Not Qualified

65536 bit

e0

.0005 Amp

55 ns

13.5

5962-87650043C

STMicroelectronics

UVPROM

MILITARY

28

WQCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

38535Q/M;38534H;883B

NO LEAD

PARALLEL

ASYNCHRONOUS

120 mA

2048 words

COMMON

5

5

8

CHIP CARRIER, WINDOW

LCC28,.45SQ

EPROMs

1.27 mm

125 Cel

3-STATE

2KX8

2K

-55 Cel

Gold (Au)

QUAD

S-CQCC-N28

5.5 V

3.3 mm

11.455 mm

Not Qualified

16384 bit

4.5 V

e4

.12 Amp

11.455 mm

45 ns

13.5

5962-87650013C

STMicroelectronics

UVPROM

MILITARY

28

WQCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

38535Q/M;38534H;883B

NO LEAD

PARALLEL

ASYNCHRONOUS

120 mA

2048 words

COMMON

5

5

8

CHIP CARRIER, WINDOW

LCC28,.45SQ

EPROMs

1.27 mm

125 Cel

3-STATE

2KX8

2K

-55 Cel

Gold (Au)

QUAD

S-CQCC-N28

5.5 V

2.8956 mm

11.43 mm

Not Qualified

16384 bit

4.5 V

e4

.12 Amp

11.43 mm

50 ns

13.5

M87C257-60XF6

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

5.25 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

e3

.0001 Amp

36.92 mm

60 ns

TTV27C256N-12C-21

STMicroelectronics

UVPROM

INDUSTRIAL

28

DIP

RECTANGULAR

CERAMIC

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

EPROMs

2.54 mm

105 Cel

3-STATE

32KX8

32K

-40 Cel

DUAL

R-XDIP-T28

Not Qualified

262144 bit

.0001 Amp

120 ns

12.75

5962-90658023C

STMicroelectronics

UVPROM

MILITARY

28

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

38535Q/M;38534H;883B

NO LEAD

PARALLEL

ASYNCHRONOUS

50 mA

4096 words

COMMON

5

5

8

CHIP CARRIER

LCC28,.45SQ

EPROMs

1.27 mm

125 Cel

3-STATE

4KX8

4K

-55 Cel

Gold (Au)

QUAD

S-CQCC-N28

5.5 V

Not Qualified

32768 bit

4.5 V

e4

.035 Amp

55 ns

M87C257-12F7X

STMicroelectronics

UVPROM

INDUSTRIAL

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

105 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-GDIP-T28

5.5 V

5.71 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e3

.0001 Amp

120 ns

WS57C51C-35T

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

164 mA

16384 words

5

5

8

IN-LINE, WINDOW

DIP28,.3

EPROMs

2.54 mm

70 Cel

3-STATE

16KX8

16K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.08 mm

7.62 mm

Not Qualified

131072 bit

4.5 V

e0

.03 Amp

37.085 mm

35 ns

M87C257-20XF6

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

5.25 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

e3

.0001 Amp

36.92 mm

150 ns

M87C257-80XF1

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

80 ns

WS57C49C-70CMB

STMicroelectronics

UVPROM

MILITARY

28

WQCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

MIL-STD-883 Class B

NO LEAD

PARALLEL

ASYNCHRONOUS

83 mA

8192 words

COMMON

5

5

8

CHIP CARRIER, WINDOW

LCC28,.45SQ

EPROMs

1.27 mm

125 Cel

3-STATE

8KX8

8K

-55 Cel

TIN LEAD

QUAD

S-CQCC-N28

3.3 mm

11.455 mm

Not Qualified

65536 bit

e0

.035 Amp

11.455 mm

70 ns

M87C257-60F1

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

60 ns

M2764A-20F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

NMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

75 mA

8192 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.71 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

e0

200 ns

12.5

TTV27C256N-12C-19

STMicroelectronics

UVPROM

AUTOMOTIVE

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

COMMON

5

8

IN-LINE, WINDOW

DIP28,.6

2.54 mm

125 Cel

3-STATE

32KX8

32K

-40 Cel

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

262144 bit

4.5 V

.0001 Amp

36.92 mm

120 ns

12.75

5962-8606309UA

STMicroelectronics

UVPROM

MILITARY

28

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

MIL-STD-883

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

115 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.3

EPROMs

2.54 mm

125 Cel

3-STATE

32KX8

32K

-55 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

Not Qualified

262144 bit

4.5 V

e0

.045 Amp

55 ns

12.5

M87C257-45F6

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

45 ns

M27256-30F1

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

NMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

100 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

300 ns

12.5

M27W256-200F6

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

15 mA

32768 words

COMMON

3

3/3.3

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-CDIP-T28

3.6 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

2.7 V

e0

.000015 Amp

36.92 mm

100 ns

12.75

M27W512-150F6E

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

65536 words

3

8

IN-LINE, WINDOW

2.54 mm

85 Cel

64KX8

64K

-40 Cel

MATTE TIN

DUAL

R-GDIP-T28

3.6 V

5.97 mm

15.24 mm

Not Qualified

524288 bit

2.7 V

e3

36.92 mm

100 ns

5962-8606310XA

STMicroelectronics

UVPROM

MILITARY

28

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

MIL-STD-883

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

130 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

EPROMs

2.54 mm

125 Cel

3-STATE

32KX8

32K

-55 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

Not Qualified

262144 bit

4.5 V

e0

.045 Amp

45 ns

12.5

TS27C64A-20XCQ

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

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

TIN LEAD

DUAL

R-GDIP-T28

5.25 V

5.71 mm

15.24 mm

Not Qualified

65536 bit

4.75 V

e0

.0001 Amp

200 ns

12.5

M2764A-1F6

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

NMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

75 mA

8192 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

8KX8

8K

-40 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.25 V

5.71 mm

15.24 mm

Not Qualified

65536 bit

4.75 V

e0

180 ns

12.5

WS57C49C-45L

STMicroelectronics

UVPROM

COMMERCIAL

28

QCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

107 mA

8192 words

COMMON

5

5

8

CHIP CARRIER

LCC28,.5SQ

EPROMs

1.27 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

TIN LEAD

QUAD

S-CQCC-J28

5.5 V

4.57 mm

11.24 mm

Not Qualified

65536 bit

4.5 V

e0

.03 Amp

11.24 mm

45 ns

M27V512-150F1

STMicroelectronics

UVPROM

COMMERCIAL

28

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

10 mA

65536 words

COMMON

3.3

3.3

8

IN-LINE

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN LEAD

DUAL

R-CDIP-T28

3.6 V

5.71 mm

15.24 mm

Not Qualified

524288 bit

3 V

e0

.00001 Amp

150 ns

M87C257-70XF6X

STMicroelectronics

UVPROM

INDUSTRIAL

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

85 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-GDIP-T28

5.25 V

5.71 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

e3

.0001 Amp

70 ns

M87C257-45F3

STMicroelectronics

UVPROM

AUTOMOTIVE

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

125 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

45 ns

TTV27C256N-15C-9

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

COMMON

5

8

IN-LINE, WINDOW

DIP28,.6

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

262144 bit

4.5 V

.0001 Amp

36.92 mm

150 ns

12.75

TS27C256-25XCQ

STMicroelectronics

COMMERCIAL

28

DIP

RECTANGULAR

CERAMIC

NO

CMOS

THROUGH-HOLE

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

EPROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T28

Not Qualified

262144 bit

e0

250 ns

12.5

TTV27C256N-70M-6

STMicroelectronics

UVPROM

COMMERCIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

COMMON

5

8

IN-LINE, WINDOW

DIP28,.6

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

DUAL

R-GDIP-T28

5.25 V

5.72 mm

15.24 mm

262144 bit

4.75 V

.0001 Amp

36.92 mm

70 ns

12.75

M27128A-2F6

STMicroelectronics

UVPROM

INDUSTRIAL

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

NMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

75 mA

16384 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

85 Cel

3-STATE

16KX8

16K

-40 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.25 V

5.71 mm

15.24 mm

Not Qualified

131072 bit

4.75 V

e0

200 ns

12.5

M87C257-90XF6X

STMicroelectronics

UVPROM

INDUSTRIAL

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

85 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-GDIP-T28

5.25 V

5.71 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

e3

.0001 Amp

90 ns

5962-8606308XA

STMicroelectronics

UVPROM

MILITARY

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

90 mA

32768 words

COMMON

5

5

8

IN-LINE, WINDOW

DIP28,.6

EPROMs

2.54 mm

125 Cel

3-STATE

32KX8

32K

-55 Cel

TIN LEAD

DUAL

R-GDIP-T28

5.5 V

5.72 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e0

.045 Amp

37.25 mm

70 ns

12.5

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.