DIP OTP ROM 2,400+

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Part	Manufacturer	Memory IC Type	Temperature Grade	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	No. of Functions	Technology	Screening Level	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	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Output Characteristics	Organization	No. of Words Code	Minimum Operating Temperature	Terminal Position	JESD-30 Code	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width	Qualification	Memory Density	Minimum Supply Voltage (Vsup)	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Maximum Standby Current	Length	Maximum Access Time	Programming Voltage (V)
TBP38L030-30MJ	Texas Instruments	OTP ROM	MILITARY	16	DIP	RECTANGULAR	CERAMIC	NO		TTL		THROUGH-HOLE				32 words		5	5	8	IN-LINE	DIP16,.3	OTP ROMs	2.54 mm	125 Cel		32X8	32	-55 Cel	DUAL	R-XDIP-T16				Not Qualified			NOT SPECIFIED	NOT SPECIFIED			30 ns
JBP28P42MJ	Texas Instruments	OTP ROM	MILITARY	20	DIP	RECTANGULAR	CERAMIC	NO		TTL	38535Q/M;38534H;883B	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
TBP24SA81-55N3	Texas Instruments	OTP ROM	COMMERCIAL	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		TTL		THROUGH-HOLE				2048 words				4	IN-LINE	DIP18,.3	OTP ROMs	2.54 mm	70 Cel		2KX4	2K	0 Cel	DUAL	R-PDIP-T18					8192 bit		NOT SPECIFIED	NOT SPECIFIED			55 ns
TMS27PC510-25NE	Texas Instruments	OTP ROM	INDUSTRIAL	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS		THROUGH-HOLE	PARALLEL	ASYNCHRONOUS	30 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	5.5 V	5.08 mm	15.24 mm	Not Qualified	524288 bit	4.5 V	NOT SPECIFIED	NOT SPECIFIED	.00025 Amp	41.4 mm	250 ns
TMS27PC256-1NE	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	170 ns	13
TBP28L86JP4	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			130 ns
TBP18S22J	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				Not Qualified	2048 bit						70 ns
TBP24SA41NP1	Texas Instruments	OTP ROM	COMMERCIAL	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		TTL		THROUGH-HOLE				1024 words				4	IN-LINE	DIP18,.3	OTP ROMs	2.54 mm	70 Cel		1KX4	1K	0 Cel	DUAL	R-PDIP-T18				Not Qualified	4096 bit		NOT SPECIFIED	NOT SPECIFIED			60 ns
TMS27PC512-120NE4	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	120 ns
SN74186NP3	Texas Instruments	OTP ROM	COMMERCIAL	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		TTL		THROUGH-HOLE				64 words				8	IN-LINE	DIP24,.6	OTP ROMs	2.54 mm	70 Cel		64X8	64	0 Cel	DUAL	R-PDIP-T24
TBP28SA86-60N3	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			60 ns
TBP28P42N3	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					4096 bit		NOT SPECIFIED	NOT SPECIFIED
TBP38S85-25NT	Texas Instruments	OTP ROM	COMMERCIAL	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		TTL		THROUGH-HOLE				1024 words		5	5	8	IN-LINE	DIP24,.3	OTP ROMs	2.54 mm	70 Cel		1KX8	1K	0 Cel	DUAL	R-PDIP-T24				Not Qualified	8192 bit		NOT SPECIFIED	NOT SPECIFIED			25 ns
TBP34L162-25N	Texas Instruments	OTP ROM	COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		TTL		THROUGH-HOLE			155 mA	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			25 ns
SN74S472J	Texas Instruments	OTP ROM	COMMERCIAL	20	DIP	RECTANGULAR	CERAMIC	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-XDIP-T20				Not Qualified	4096 bit						75 ns
TMS27PC32-12NL4	Texas Instruments		COMMERCIAL	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		CMOS		THROUGH-HOLE			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					32768 bit				.00025 Amp		120 ns
TBP34S10-30MJ	Texas Instruments	OTP ROM	MILITARY	16	DIP	RECTANGULAR	CERAMIC	NO		TTL		THROUGH-HOLE			95 mA	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			30 ns
TBP38SA22-30N	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			30 ns
JBP38L165MJT	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,.3	OTP ROMs	2.54 mm	125 Cel		2KX8	2K	-55 Cel	DUAL	R-XDIP-T24				Not Qualified	16384 bit		NOT SPECIFIED	NOT SPECIFIED
TBP18SA030J4	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 SPECIFIED	NOT SPECIFIED			40 ns
TMS27PC256-15NL	Texas Instruments	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	DUAL	R-PDIP-T28	5.5 V	5.08 mm	15.24 mm	Not Qualified	262144 bit	4.5 V	NOT SPECIFIED	NOT SPECIFIED	.00025 Amp	36.32 mm	150 ns	13
TBP24SA81N	Texas Instruments	OTP ROM	COMMERCIAL	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BIPOLAR		THROUGH-HOLE	PARALLEL	ASYNCHRONOUS		2048 words		5		4	IN-LINE	DIP18,.3	OTP ROMs	2.54 mm	70 Cel		2KX4	2K	0 Cel	DUAL	R-PDIP-T18	5.25 V	5.08 mm	7.62 mm	Not Qualified	8192 bit	4.75 V	NOT SPECIFIED	NOT SPECIFIED		22.48 mm	70 ns
TBP28R45N1	Texas Instruments	OTP ROM	COMMERCIAL	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		TTL		THROUGH-HOLE				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
TMS27PC49-45NL	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	5.5 V	5.08 mm	15.24 mm	Not Qualified	65536 bit	4.5 V				31.75 mm	45 ns
SN74S477J	Texas Instruments	OTP ROM	COMMERCIAL	18	DIP	RECTANGULAR	CERAMIC	NO		TTL		THROUGH-HOLE				1024 words				4	IN-LINE	DIP18,.3	OTP ROMs	2.54 mm	70 Cel		1KX4	1K	0 Cel	DUAL	R-XDIP-T18				Not Qualified	4096 bit		NOT SPECIFIED	NOT SPECIFIED
SNJ54S471J	Texas Instruments	OTP ROM	MILITARY	20	DIP	RECTANGULAR	CERAMIC	NO		TTL	38535Q/M;38534H;883B	THROUGH-HOLE				256 words		5	5	8	IN-LINE	DIP20,.3	OTP ROMs	2.54 mm	125 Cel		256X8	256	-55 Cel	DUAL	R-XDIP-T20				Not Qualified	2048 bit						80 ns
TMS27PC32-150NL	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	5.25 V	5.08 mm	15.24 mm	Not Qualified	32768 bit	4.75 V	NOT SPECIFIED	NOT SPECIFIED	.00025 Amp	31.75 mm	150 ns
TBP38SA22-35MJ	Texas Instruments	OTP ROM	MILITARY	20	DIP	RECTANGULAR	CERAMIC	NO		TTL		THROUGH-HOLE				256 words		5	5	8	IN-LINE	DIP20,.3	OTP ROMs	2.54 mm	125 Cel		256X8	256	-55 Cel	DUAL	R-XDIP-T20				Not Qualified	2048 bit		NOT SPECIFIED	NOT SPECIFIED			35 ns
TBP28S42N1	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		NOT SPECIFIED	NOT SPECIFIED
TMS27PC49-4NL	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	5.08 mm	15.24 mm	Not Qualified	65536 bit	4.75 V				31.75 mm	45 ns
TBP24S41N3	Texas Instruments	OTP ROM	COMMERCIAL	18	DIP	RECTANGULAR	PLASTIC/EPOXY	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-PDIP-T18					4096 bit		NOT SPECIFIED	NOT SPECIFIED			60 ns
TBP18SA42J	Texas Instruments	OTP ROM	COMMERCIAL	20	DIP	RECTANGULAR	CERAMIC	NO		TTL		THROUGH-HOLE				512 words				8	IN-LINE	DIP20,.3	OTP ROMs	2.54 mm	70 Cel		512X8	512	0 Cel	DUAL	R-XDIP-T20				Not Qualified	4096 bit						75 ns
TMS27LV010A-30NE	Texas Instruments	OTP ROM	INDUSTRIAL	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS		THROUGH-HOLE	PARALLEL	ASYNCHRONOUS	30 mA	131072 words	COMMON	3.3	3.3/5	8	IN-LINE	DIP32,.6	OTP ROMs	2.54 mm	85 Cel	3-STATE	128KX8	128K	-40 Cel	DUAL	R-PDIP-T32	3.6 V	5.08 mm	15.24 mm	Not Qualified	1048576 bit	3 V			.000025 Amp	41.4 mm	300 ns
TBP28S85JP4	Texas Instruments	OTP ROM	COMMERCIAL	24	DIP	RECTANGULAR	CERAMIC	NO		TTL		THROUGH-HOLE				1024 words		5	5	8	IN-LINE	DIP24,.3	OTP ROMs	2.54 mm	70 Cel		1KX8	1K	0 Cel	DUAL	R-XDIP-T24					8192 bit		NOT SPECIFIED	NOT SPECIFIED
TBP28S2708J4	Texas Instruments	OTP ROM	COMMERCIAL	24	DIP	RECTANGULAR	CERAMIC	NO		TTL		THROUGH-HOLE			175 mA	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			70 ns
TMS27PC512NE4	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	250 ns
TBP28SA46NW	Texas Instruments	OTP ROM	COMMERCIAL	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BIPOLAR		THROUGH-HOLE	PARALLEL	ASYNCHRONOUS	135 mA	512 words		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	65 ns
SN54S476J	Texas Instruments	OTP ROM	MILITARY	18	DIP	RECTANGULAR	CERAMIC	NO		TTL		THROUGH-HOLE				1024 words		5	5	4	IN-LINE	DIP18,.3	OTP ROMs	2.54 mm	125 Cel		1KX4	1K	-55 Cel	DUAL	R-XDIP-T18				Not Qualified	4096 bit		NOT SPECIFIED	NOT SPECIFIED
SN74S472J4	Texas Instruments	OTP ROM	COMMERCIAL	20	DIP	RECTANGULAR	CERAMIC	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-XDIP-T20					4096 bit						75 ns
CBP28P42MJ	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
SN74S471NP1	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						70 ns
SNM54S470J	Texas Instruments	OTP ROM	COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		TTL	MIL-STD-883 Class C	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						80 ns
TMS27PC510-17NE	Texas Instruments	OTP ROM	INDUSTRIAL	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS		THROUGH-HOLE	PARALLEL	ASYNCHRONOUS	30 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	5.5 V	5.08 mm	15.24 mm	Not Qualified	524288 bit	4.5 V	NOT SPECIFIED	NOT SPECIFIED	.00025 Amp	41.4 mm	170 ns
TBP38S165NT	Texas Instruments	OTP ROM	COMMERCIAL	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		TTL		THROUGH-HOLE				2048 words		5	5	8	IN-LINE	DIP24,.3	OTP ROMs	2.54 mm	70 Cel		2KX8	2K	0 Cel	DUAL	R-PDIP-T24				Not Qualified	16384 bit		NOT SPECIFIED	NOT SPECIFIED
TBP38S030-15N	Texas Instruments	OTP ROM	COMMERCIAL	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		TTL		THROUGH-HOLE			125 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			15 ns
SN74S188NP3	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											40 ns
TMX27PC256-3NL	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	300 ns
TMS27PC256-150NE4	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	150 ns	13

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.