28 OTP ROM 1,606

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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 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 Minimum Data Retention Time Terminal Pitch Maximum Operating Temperature Reverse Pinout Output Characteristics Organization No. of Words Code Minimum Operating Temperature Terminal Finish 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 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)

M27V256-100B6TR

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32768 words

3.3

8

IN-LINE

2.54 mm

85 Cel

32KX8

32K

-40 Cel

DUAL

R-PDIP-T28

3.6 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

3 V

36.83 mm

100 ns

M27V256-100B1

STMicroelectronics

OTP ROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

10 mA

32768 words

COMMON

3.3

3.3

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-PDIP-T28

3.6 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

3 V

e0

.00001 Amp

37.085 mm

100 ns

12.75

M27V256-150B6

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

10 mA

32768 words

COMMON

3.3

3.3

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDIP-T28

3.6 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

3 V

e0

.00001 Amp

37.085 mm

150 ns

12.75

M27W256-150B6

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

15 mA

32768 words

COMMON

3

3/3.3

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDIP-T28

3.6 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

2.7 V

e0

.000015 Amp

36.83 mm

100 ns

12.75

ST2764A-20CP

STMicroelectronics

OTP ROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

NMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

8192 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

TIN LEAD

DUAL

R-PDIP-T28

5.5 V

15.24 mm

Not Qualified

65536 bit

4.5 V

e0

36.83 mm

200 ns

12.5

M27C512-80XB3E

STMicroelectronics

OTP ROM

AUTOMOTIVE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

125 Cel

3-STATE

64KX8

64K

-40 Cel

MATTE TIN

DUAL

R-PDIP-T28

5.5 V

5.08 mm

15.24 mm

Not Qualified

524288 bit

4.75 V

e3

.0001 Amp

36.83 mm

80 ns

M27C512-12XN1XTR

STMicroelectronics

COMMERCIAL

28

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G28

524288 bit

e0

.0001 Amp

120 ns

M27C512-90N1E

STMicroelectronics

OTP ROM

COMMERCIAL

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN/TIN BISMUTH

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.5 V

e3/e6

NOT SPECIFIED

260

.0001 Amp

11.8 mm

90 ns

M27C256B-12N7X

STMicroelectronics

OTP ROM

INDUSTRIAL

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

.55 mm

105 Cel

32KX8

32K

-40 Cel

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

262144 bit

4.5 V

11.8 mm

120 ns

M27C512-25N1

STMicroelectronics

OTP ROM

COMMERCIAL

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.5 V

e0

.0001 Amp

11.8 mm

250 ns

M27C256B-10B7X

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32768 words

5

8

IN-LINE

2.54 mm

105 Cel

32KX8

32K

-40 Cel

DUAL

R-PDIP-T28

5.5 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

37.085 mm

100 ns

WS57C191C-45J

STMicroelectronics

OTP ROM

COMMERCIAL

28

WQCCJ

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

40 mA

2048 words

COMMON

5

5

8

CHIP CARRIER, WINDOW

LDCC28,.5SQ

OTP ROMs

1.27 mm

70 Cel

3-STATE

2KX8

2K

0 Cel

TIN LEAD

QUAD

S-PQCC-J28

5.5 V

4.57 mm

11.48 mm

Not Qualified

16384 bit

4.5 V

e0

.025 Amp

11.48 mm

45 ns

12.75

M27C512-10N6

STMicroelectronics

OTP ROM

INDUSTRIAL

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.5 V

e0

.0001 Amp

11.8 mm

100 ns

5962-88735023C

STMicroelectronics

OTP ROM

MILITARY

28

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

NO LEAD

PARALLEL

SYNCHRONOUS

2048 words

5

8

CHIP CARRIER

1.27 mm

125 Cel

2KX8

2K

-55 Cel

TIN LEAD

QUAD

S-CQCC-N28

5.5 V

1.9812 mm

11.43 mm

Not Qualified

16384 bit

4.5 V

e0

11.43 mm

M27C256B-12N6TR

STMicroelectronics

OTP ROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28/32,.8,20

OTP ROMs

.55 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.5 V

e0

.0001 Amp

11.8 mm

120 ns

12.75

M27C512-15XB7

STMicroelectronics

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

30 mA

65536 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

105 Cel

3-STATE

64KX8

64K

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T28

Not Qualified

524288 bit

e0

.0002 Amp

150 ns

M27C512-15XB6X

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

DUAL

R-PDIP-T28

5.25 V

5.08 mm

15.24 mm

Not Qualified

524288 bit

4.75 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

37.085 mm

150 ns

M27C256B-10B6X

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-PDIP-T28

5.5 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e3

.0001 Amp

37.085 mm

100 ns

12.75

M27C256B-60N1TR

STMicroelectronics

OTP ROM

COMMERCIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.5 V

e0

.0001 Amp

11.8 mm

60 ns

12.75

M27C512-70N1E

STMicroelectronics

OTP ROM

COMMERCIAL

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN/TIN BISMUTH

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.5 V

e3/e6

NOT SPECIFIED

260

.0001 Amp

11.8 mm

70 ns

M27C512-90XN3F

STMicroelectronics

OTP ROM

AUTOMOTIVE

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

125 Cel

3-STATE

64KX8

64K

-40 Cel

TIN/TIN BISMUTH

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.75 V

e3/e6

NOT SPECIFIED

260

.0001 Amp

11.8 mm

90 ns

M27C256B-45XN7

STMicroelectronics

INDUSTRIAL

28

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

105 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

Not Qualified

262144 bit

e0

.0001 Amp

45 ns

12.75

M27C512-90N1XTR

STMicroelectronics

COMMERCIAL

28

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G28

524288 bit

e0

.0001 Amp

90 ns

M27C512-80XN1E

STMicroelectronics

OTP ROM

COMMERCIAL

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN/TIN BISMUTH

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.75 V

e3/e6

NOT SPECIFIED

260

.0001 Amp

11.8 mm

80 ns

M27C512-70N3

STMicroelectronics

OTP ROM

AUTOMOTIVE

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

125 Cel

3-STATE

64KX8

64K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.5 V

e0

.0001 Amp

11.8 mm

70 ns

M27C256B-12XB6X

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-PDIP-T28

5.25 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

e3

.0001 Amp

37.085 mm

120 ns

12.75

M27C256B-60XN1TR

STMicroelectronics

OTP ROM

COMMERCIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.25 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.75 V

e0

.0001 Amp

11.8 mm

60 ns

12.75

M27C256B-12XN6

STMicroelectronics

OTP ROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.25 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.75 V

e0

.0001 Amp

11.8 mm

120 ns

12.75

M27C256B-80XN1TR

STMicroelectronics

OTP ROM

COMMERCIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.25 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.75 V

e0

.0001 Amp

11.8 mm

80 ns

12.75

M27C256B-20N6

STMicroelectronics

OTP ROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.5 V

e0

.0001 Amp

11.8 mm

150 ns

12.75

M27C512-15N1X

STMicroelectronics

OTP ROM

COMMERCIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

11.8 mm

150 ns

M27C256B-15N3

STMicroelectronics

OTP ROM

AUTOMOTIVE

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

125 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.5 V

e0

.0001 Amp

11.8 mm

150 ns

12.75

M27C512-25XN3

STMicroelectronics

OTP ROM

AUTOMOTIVE

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

125 Cel

3-STATE

64KX8

64K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.75 V

e0

.0001 Amp

11.8 mm

250 ns

M27C256B-25M3

STMicroelectronics

AUTOMOTIVE

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE

SOP28,.4

OTP ROMs

1.27 mm

125 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

Not Qualified

262144 bit

e0

.0001 Amp

250 ns

12.75

M27C256B-12N7

STMicroelectronics

INDUSTRIAL

28

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

105 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

Not Qualified

262144 bit

e0

.0001 Amp

120 ns

12.75

M27C256B-90XB7X

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32768 words

5

8

IN-LINE

2.54 mm

105 Cel

32KX8

32K

-40 Cel

DUAL

R-PDIP-T28

5.25 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

37.085 mm

90 ns

M27C512-45XN3F

STMicroelectronics

OTP ROM

AUTOMOTIVE

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

125 Cel

3-STATE

64KX8

64K

-40 Cel

TIN/TIN BISMUTH

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.75 V

e3/e6

NOT SPECIFIED

260

.0001 Amp

11.8 mm

45 ns

M27C256B-60N7TR

STMicroelectronics

OTP ROM

INDUSTRIAL

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

.55 mm

105 Cel

32KX8

32K

-40 Cel

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

262144 bit

4.5 V

11.8 mm

60 ns

M27C512-70XN1E

STMicroelectronics

OTP ROM

COMMERCIAL

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN/TIN BISMUTH

DUAL

R-PDSO-G28

5.5 V

1.25 mm

8 mm

Not Qualified

524288 bit

4.75 V

e3/e6

NOT SPECIFIED

260

.0001 Amp

11.8 mm

70 ns

M27C256B-20XN7

STMicroelectronics

INDUSTRIAL

28

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP28,.53,22

OTP ROMs

.55 mm

105 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

Not Qualified

262144 bit

e0

.0001 Amp

150 ns

12.75

M27C256B-25XN7TR

STMicroelectronics

OTP ROM

INDUSTRIAL

28

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

.55 mm

105 Cel

32KX8

32K

-40 Cel

DUAL

R-PDSO-G28

5.25 V

1.25 mm

8 mm

Not Qualified

262144 bit

4.75 V

11.8 mm

150 ns

M27C256B-15XB7

STMicroelectronics

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

30 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

105 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDIP-T28

Not Qualified

262144 bit

e0

.0001 Amp

150 ns

12.75

M27C256B-20XB7X

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32768 words

5

8

IN-LINE

2.54 mm

105 Cel

32KX8

32K

-40 Cel

DUAL

R-PDIP-T28

5.25 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

37.085 mm

150 ns

M27C256B-60XN6

STMicroelectronics

OTP ROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.25 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.75 V

e0

.0001 Amp

11.8 mm

60 ns

12.75

M27C256B-80XB3X

STMicroelectronics

OTP ROM

AUTOMOTIVE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

125 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-PDIP-T28

5.25 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

e3

.0001 Amp

37.085 mm

80 ns

12.75

M27C512-80N1X

STMicroelectronics

OTP ROM

COMMERCIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

11.8 mm

80 ns

M27C512-15B6X

STMicroelectronics

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

DUAL

R-PDIP-T28

5.5 V

5.08 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

37.085 mm

150 ns

M27C256B-10XN3X

STMicroelectronics

OTP ROM

AUTOMOTIVE

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

125 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.25 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.75 V

e0

.0001 Amp

11.8 mm

100 ns

12.75

OTP ROM

OTP ROM, or One-Time Programmable Read-Only Memory, is a type of non-volatile computer memory that is programmed once and cannot be reprogrammed. OTP ROM is used to store data that needs to be permanently stored and cannot be changed or updated in the future.

OTP ROM is created using a process similar to that used to manufacture Mask ROM. However, instead of programming the memory during the manufacturing process, OTP ROM is programmed after the manufacturing process, but before it is delivered to the customer. This allows the customer to program the memory with the data that they need to store permanently.

OTP ROM is commonly used in devices such as microcontrollers, smart cards, and other electronic devices that require permanent storage of data. It is ideal for storing critical data, such as system settings, encryption keys, and other sensitive information that needs to be permanently stored and cannot be changed or updated in the future.