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)

M27C512-90B6X

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

90 ns

M27C256B-80XN3

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

80 ns

12.75

M27C256B-12XB3

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

36.83 mm

120 ns

12.75

M27C512-20N1

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

200 ns

M27C256B-20XM1

STMicroelectronics

COMMERCIAL

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

70 Cel

3-STATE

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-PDSO-G28

Not Qualified

262144 bit

e0

.0001 Amp

200 ns

12.75

M27C512-45N3TR

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

45 ns

M27C256B-10N6X

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

100 ns

12.75

M27C256B-70XN3X

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

70 ns

12.75

M27C256B-80B6X

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

80 ns

12.75

M27C512-90XN1E

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

90 ns

M27C256B-80XN3X

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

80 ns

12.75

M27C512-20XB1E

STMicroelectronics

OTP ROM

COMMERCIAL

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

70 Cel

3-STATE

64KX8

64K

0 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

200 ns

M27C256B-15XB3

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

36.83 mm

150 ns

12.75

M27C512-60XN3X

STMicroelectronics

OTP ROM

AUTOMOTIVE

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

125 Cel

3-STATE

64KX8

64K

-40 Cel

DUAL

R-PDSO-G28

5.25 V

1.2 mm

8 mm

Not Qualified

524288 bit

4.75 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

11.8 mm

60 ns

M27C256B-60B1X

STMicroelectronics

OTP ROM

COMMERCIAL

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

70 Cel

3-STATE

32KX8

32K

0 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

60 ns

12.75

M27C512-10B7

STMicroelectronics

AUTOMOTIVE

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

125 Cel

3-STATE

64KX8

64K

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T28

Not Qualified

524288 bit

e0

.0002 Amp

100 ns

M27C512-90N3E

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

4.5 V

e3/e6

NOT SPECIFIED

260

.0001 Amp

11.8 mm

90 ns

M27C512-60XN1F

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

60 ns

M27C256B-45XB1X

STMicroelectronics

OTP ROM

COMMERCIAL

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

70 Cel

3-STATE

32KX8

32K

0 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

45 ns

12.75

M27C256B-25N7TR

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

150 ns

M27C512-60N6F

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/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

60 ns

M27C256B-12B6X

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

120 ns

12.75

M27C512-80N6

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

80 ns

M27C256B-70N1

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

12.75V PROGRAMMING VOLTAGE

e0

.0001 Amp

11.8 mm

70 ns

12.75

M27C512-15N6X

STMicroelectronics

OTP ROM

INDUSTRIAL

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

85 Cel

3-STATE

64KX8

64K

-40 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-45XN7TR

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

45 ns

M27C512-45XN6X

STMicroelectronics

OTP ROM

INDUSTRIAL

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

85 Cel

3-STATE

64KX8

64K

-40 Cel

DUAL

R-PDSO-G28

5.25 V

1.2 mm

8 mm

Not Qualified

524288 bit

4.75 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

11.8 mm

45 ns

M27C512-25B7

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

250 ns

M27C512-12N3TR

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

120 ns

M27C512-90N6TR

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

90 ns

M27C256B-12B7X

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

120 ns

M27C256B-60N3

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

60 ns

12.75

M27C512-20XN3TR

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

200 ns

M27C512-45XN6E

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/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-90N3X

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

90 ns

12.75

M27C512-80XB1

STMicroelectronics

OTP ROM

COMMERCIAL

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

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN LEAD

DUAL

R-PDIP-T28

5.5 V

5.08 mm

15.24 mm

Not Qualified

524288 bit

4.75 V

e0

.0001 Amp

36.83 mm

80 ns

M27C512-80XB3X

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

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

80 ns

M27C256B-15XN3

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

150 ns

12.75

M27C256B-20N7X

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

150 ns

M27C512-90XB3

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

90 ns

M27C256B-90N7

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

90 ns

12.75

M27C256B-70N7

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

70 ns

12.75

M27C256B-90N6

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

90 ns

12.75

M27C512-10N1XTR

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

100 ns

M27C256B-12B7

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

120 ns

12.75

M27C256B-10N6TR

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

100 ns

12.75

M27C512-12B7

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

120 ns

M27C256B-20N3X

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

TSSOP28/32,.8,20

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

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.