DIP OTP ROM 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 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)

SN74S476JP4

Texas Instruments

OTP ROM

COMMERCIAL

18

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

1024 words

5

5

4

IN-LINE

DIP18,.3

OTP ROMs

2.54 mm

70 Cel

1KX4

1K

0 Cel

DUAL

R-XDIP-T18

4096 bit

NOT SPECIFIED

NOT SPECIFIED

TBP18S46J

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

155 mA

512 words

5

5

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

512X8

512

0 Cel

DUAL

R-XDIP-T24

Not Qualified

4096 bit

75 ns

SN74S3708J4

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

1024 words

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

1KX8

1K

0 Cel

DUAL

R-XDIP-T24

8192 bit

NOT SPECIFIED

NOT SPECIFIED

TBP28L166JP4

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

2048 words

5

5

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

2KX8

2K

0 Cel

DUAL

R-XDIP-T24

16384 bit

NOT SPECIFIED

NOT SPECIFIED

TBP18SA030N1

Texas Instruments

OTP ROM

COMMERCIAL

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

110 mA

32 words

5

5

8

IN-LINE

DIP16,.3

OTP ROMs

2.54 mm

70 Cel

32X8

32

0 Cel

DUAL

R-PDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

40 ns

JBP28L22MJ

Texas Instruments

OTP ROM

MILITARY

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

BIPOLAR

38535Q/M;38534H;883B

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

256 words

5

5

8

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

125 Cel

256X8

256

-55 Cel

DUAL

R-GDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

2048 bit

4.5 V

24.195 mm

75 ns

SN74S188J

Texas Instruments

OTP ROM

COMMERCIAL

16

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

110 mA

32 words

5

5

8

IN-LINE

DIP16,.3

OTP ROMs

2.54 mm

70 Cel

32X8

32

0 Cel

DUAL

R-XDIP-T16

Not Qualified

40 ns

TMS27PC510-170NE4

Texas Instruments

OTP ROM

INDUSTRIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

250 mA

65536 words

COMMON

5

5

8

IN-LINE

DIP32,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

DUAL

R-PDIP-T32

5.25 V

5.08 mm

15.24 mm

Not Qualified

524288 bit

4.75 V

NOT SPECIFIED

NOT SPECIFIED

.00003 Amp

41.4 mm

170 ns

TBP28SA46NP1

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

135 mA

512 words

8

IN-LINE

DIP24,.3

OTP ROMs

2.54 mm

70 Cel

512X8

512

0 Cel

DUAL

R-PDIP-T24

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

65 ns

SN74S471N

Texas Instruments

OTP ROM

COMMERCIAL

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

155 mA

256 words

5

5

8

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

70 Cel

256X8

256

0 Cel

DUAL

R-PDIP-T20

Not Qualified

2048 bit

NOT SPECIFIED

NOT SPECIFIED

70 ns

TMS27PC32-20NL

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

50 mA

4096 words

COMMON

5

5

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

4KX8

4K

0 Cel

DUAL

R-PDIP-T24

5.5 V

5.08 mm

15.24 mm

Not Qualified

32768 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.00025 Amp

31.75 mm

200 ns

TBP28L22NP1

Texas Instruments

OTP ROM

COMMERCIAL

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

256 words

5

5

8

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

70 Cel

256X8

256

0 Cel

DUAL

R-PDIP-T20

Not Qualified

2048 bit

NOT SPECIFIED

NOT SPECIFIED

70 ns

TMS27P64-25NL

Texas Instruments

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

DUAL

R-PDIP-T28

5.25 V

5.08 mm

15.24 mm

Not Qualified

65536 bit

4.75 V

NOT SPECIFIED

NOT SPECIFIED

36.32 mm

250 ns

21

TBP18S22JP4

Texas Instruments

OTP ROM

COMMERCIAL

20

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

256 words

5

5

8

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

70 Cel

256X8

256

0 Cel

DUAL

R-XDIP-T20

2048 bit

70 ns

TBP24SA10JP4

Texas Instruments

OTP ROM

COMMERCIAL

16

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

100 mA

256 words

5

5

4

IN-LINE

DIP16,.3

OTP ROMs

2.54 mm

70 Cel

256X4

256

0 Cel

DUAL

R-XDIP-T16

1024 bit

NOT SPECIFIED

NOT SPECIFIED

65 ns

JBP34L10MJ

Texas Instruments

OTP ROM

MILITARY

16

DIP

RECTANGULAR

CERAMIC

NO

TTL

38535Q/M;38534H;883B

THROUGH-HOLE

256 words

5

5

4

IN-LINE

DIP16,.3

OTP ROMs

2.54 mm

125 Cel

256X4

256

-55 Cel

DUAL

R-XDIP-T16

Not Qualified

1024 bit

NOT SPECIFIED

NOT SPECIFIED

TBP28S86AN3

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

1024 words

5

5

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

1KX8

1K

0 Cel

DUAL

R-PDIP-T24

8192 bit

NOT SPECIFIED

NOT SPECIFIED

65 ns

TMS27PC510-150NL

Texas Instruments

OTP ROM

COMMERCIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

250 mA

65536 words

COMMON

5

5

8

IN-LINE

DIP32,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

DUAL

R-PDIP-T32

5.25 V

5.08 mm

15.24 mm

Not Qualified

524288 bit

4.75 V

NOT SPECIFIED

NOT SPECIFIED

.00003 Amp

41.4 mm

150 ns

TBP18S42MJ

Texas Instruments

OTP ROM

MILITARY

20

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

512 words

5

5

8

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

125 Cel

512X8

512

-55 Cel

DUAL

R-XDIP-T20

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

85 ns

SNC54186J

Texas Instruments

OTP ROM

MILITARY

24

DIP

RECTANGULAR

CERAMIC

NO

TTL

MIL-STD-883 Class B (Modified)

THROUGH-HOLE

64 words

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

125 Cel

64X8

64

-55 Cel

DUAL

R-XDIP-T24

Not Qualified

JBP38SA166MJW

Texas Instruments

OTP ROM

MILITARY

24

DIP

RECTANGULAR

CERAMIC

NO

TTL

38535Q/M;38534H;883B

THROUGH-HOLE

2048 words

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

125 Cel

2KX8

2K

-55 Cel

DUAL

R-XDIP-T24

Not Qualified

16384 bit

NOT SPECIFIED

NOT SPECIFIED

TBP24S81-55N

Texas Instruments

OTP ROM

COMMERCIAL

18

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

175 mA

2048 words

4

IN-LINE

DIP18,.3

OTP ROMs

2.54 mm

70 Cel

2KX4

2K

0 Cel

DUAL

R-PDIP-T18

Not Qualified

8192 bit

NOT SPECIFIED

NOT SPECIFIED

55 ns

TMX27PC128-4NL

Texas Instruments

OTP ROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

16384 words

5

8

IN-LINE

2.54 mm

70 Cel

3-STATE

16KX8

16K

0 Cel

DUAL

R-PDIP-T28

5.08 mm

15.24 mm

Not Qualified

131072 bit

36.32 mm

450 ns

TBP28L86AJ4

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

1024 words

5

5

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

1KX8

1K

0 Cel

DUAL

R-XDIP-T24

8192 bit

NOT SPECIFIED

NOT SPECIFIED

110 ns

TMX27PC210-200NL

Texas Instruments

OTP ROM

COMMERCIAL

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

65536 words

5

16

IN-LINE

2.54 mm

70 Cel

3-STATE

64KX16

64K

0 Cel

DUAL

R-PDIP-T40

5.25 V

5.08 mm

15.24 mm

Not Qualified

1048576 bit

4.75 V

52.455 mm

200 ns

CBP28L42MJ

Texas Instruments

OTP ROM

MILITARY

20

DIP

RECTANGULAR

CERAMIC

NO

TTL

MIL-STD-883 Class B (Modified)

THROUGH-HOLE

512 words

5

5

8

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

125 Cel

512X8

512

-55 Cel

DUAL

R-XDIP-T20

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

110 ns

TMS27PC512-2NE

Texas Instruments

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

.00025 Amp

36.32 mm

200 ns

TMX27PC010-250NL

Texas Instruments

OTP ROM

COMMERCIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

131072 words

5

8

IN-LINE

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

DUAL

R-PDIP-T32

5.25 V

5.08 mm

15.24 mm

Not Qualified

1048576 bit

4.75 V

41.4 mm

250 ns

TBP34S162-30N

Texas Instruments

OTP ROM

COMMERCIAL

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

4096 words

5

5

4

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

70 Cel

4KX4

4K

0 Cel

DUAL

R-PDIP-T20

Not Qualified

16384 bit

NOT SPECIFIED

NOT SPECIFIED

TBP24S81JP4

Texas Instruments

OTP ROM

COMMERCIAL

18

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

175 mA

2048 words

4

IN-LINE

DIP18,.3

OTP ROMs

2.54 mm

70 Cel

2KX4

2K

0 Cel

DUAL

R-XDIP-T18

8192 bit

NOT SPECIFIED

NOT SPECIFIED

70 ns

TMS27PC512-120NL4

Texas Instruments

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

DUAL

R-PDIP-T28

5.25 V

5.08 mm

15.24 mm

Not Qualified

524288 bit

4.75 V

NOT SPECIFIED

NOT SPECIFIED

.00025 Amp

36.32 mm

120 ns

TMS27PC128-25NE4

Texas Instruments

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

16384 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

16KX8

16K

-40 Cel

DUAL

R-PDIP-T28

5.5 V

5.08 mm

15.24 mm

Not Qualified

131072 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.00025 Amp

36.32 mm

250 ns

13

TMS27PC256-100NE

Texas Instruments

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

DUAL

R-PDIP-T28

5.25 V

5.08 mm

15.24 mm

Not Qualified

262144 bit

4.75 V

NOT SPECIFIED

NOT SPECIFIED

.00025 Amp

36.32 mm

100 ns

13

TBP34S10N

Texas Instruments

OTP ROM

COMMERCIAL

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

160 mA

256 words

5

5

4

IN-LINE

DIP16,.3

OTP ROMs

2.54 mm

70 Cel

256X4

256

0 Cel

DUAL

R-PDIP-T16

Not Qualified

1024 bit

NOT SPECIFIED

NOT SPECIFIED

SN74188AJ

Texas Instruments

OTP ROM

COMMERCIAL

16

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

110 mA

32 words

5

5

8

IN-LINE

DIP16,.3

OTP ROMs

2.54 mm

70 Cel

32X8

32

0 Cel

DUAL

R-XDIP-T16

Not Qualified

50 ns

TBP28SA86-60NP1

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

1024 words

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

1KX8

1K

0 Cel

DUAL

R-PDIP-T24

Not Qualified

8192 bit

NOT SPECIFIED

NOT SPECIFIED

60 ns

TBP34L162-45MJ

Texas Instruments

OTP ROM

MILITARY

20

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

155 mA

4096 words

5

5

4

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

125 Cel

4KX4

4K

-55 Cel

DUAL

R-XDIP-T20

Not Qualified

16384 bit

NOT SPECIFIED

NOT SPECIFIED

45 ns

TMS27PC010A-12NL

Texas Instruments

OTP ROM

COMMERCIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

131072 words

COMMON

5

5

8

IN-LINE

DIP32,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

DUAL

R-PDIP-T32

5.5 V

5.08 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

.0001 Amp

41.4 mm

120 ns

JBP38L166MJW

Texas Instruments

OTP ROM

MILITARY

24

DIP

RECTANGULAR

CERAMIC

NO

TTL

38535Q/M;38534H;883B

THROUGH-HOLE

2048 words

5

5

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

125 Cel

2KX8

2K

-55 Cel

DUAL

R-XDIP-T24

Not Qualified

16384 bit

NOT SPECIFIED

NOT SPECIFIED

TMX27PC210-30NL

Texas Instruments

OTP ROM

COMMERCIAL

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

65536 words

5

16

IN-LINE

2.54 mm

70 Cel

3-STATE

64KX16

64K

0 Cel

DUAL

R-PDIP-T40

5.5 V

5.08 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

52.455 mm

300 ns

TBP34L162N

Texas Instruments

OTP ROM

COMMERCIAL

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

4096 words

5

5

4

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

70 Cel

4KX4

4K

0 Cel

DUAL

R-PDIP-T20

Not Qualified

16384 bit

NOT SPECIFIED

NOT SPECIFIED

TMS27PC49-5NTL

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

8192 words

5

8

IN-LINE

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

DUAL

R-PDIP-T24

5.25 V

4.118 mm

7.62 mm

Not Qualified

65536 bit

4.75 V

31.745 mm

55 ns

SN74S479NP3

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

1024 words

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

1KX8

1K

0 Cel

DUAL

R-PDIP-T24

8192 bit

NOT SPECIFIED

NOT SPECIFIED

SN54S479J

Texas Instruments

OTP ROM

MILITARY

24

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

1024 words

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

125 Cel

1KX8

1K

-55 Cel

DUAL

R-XDIP-T24

Not Qualified

8192 bit

NOT SPECIFIED

NOT SPECIFIED

TBP28L46NW

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

BIPOLAR

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

85 mA

512 words

5

5

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

512X8

512

0 Cel

DUAL

R-PDIP-T24

5.25 V

5.08 mm

15.24 mm

Not Qualified

4096 bit

4.75 V

NOT SPECIFIED

NOT SPECIFIED

31.75 mm

95 ns

TBP28L45NP1

Texas Instruments

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

512 words

5

5

8

IN-LINE

DIP24,.3

OTP ROMs

2.54 mm

70 Cel

512X8

512

0 Cel

DUAL

R-PDIP-T24

Not Qualified

4096 bit

60 ns

TMX27PC256-20NL

Texas Instruments

OTP ROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32768 words

5

8

IN-LINE

2.54 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

DUAL

R-PDIP-T28

5.08 mm

15.24 mm

Not Qualified

262144 bit

36.32 mm

200 ns

TBP18S42N1

Texas Instruments

OTP ROM

COMMERCIAL

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

TTL

THROUGH-HOLE

512 words

5

5

8

IN-LINE

DIP20,.3

OTP ROMs

2.54 mm

70 Cel

512X8

512

0 Cel

DUAL

R-PDIP-T20

Not Qualified

4096 bit

75 ns

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.