2 OTP ROM 26

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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	Terminal Form	Parallel or Serial	Operating Mode	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	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)	Length	Maximum Access Time
DS2502X1#U	Maxim Integrated	OTP ROM	INDUSTRIAL	2	VBGA	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	BALL	SERIAL	ASYNCHRONOUS	128 words		5		8	GRID ARRAY, VERY THIN PROFILE			.933 mm	85 Cel	128X8	128	-40 Cel		BOTTOM	R-PBGA-B2		6 V	.639 mm	.91 mm		1024 bit	2.8 V			NOT SPECIFIED	NOT SPECIFIED	1.6 mm
DS2502X1	Maxim Integrated	OTP ROM	INDUSTRIAL	2	VBGA	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	BALL	SERIAL	ASYNCHRONOUS	128 words	COMMON	5	3/5	8	GRID ARRAY, VERY THIN PROFILE	BGA2,1X2,37	Other Memory ICs	.933 mm	85 Cel	128X8	128	-40 Cel	Tin/Lead (Sn/Pb)	BOTTOM	R-PBGA-B2	1	6 V	.639 mm	.91 mm	Not Qualified	1024 bit	2.8 V	MICROLAN COMPATIBLE	e0	20	240	1.6 mm	15000 ns
DS2502X1+	Analog Devices	OTP ROM	INDUSTRIAL	2	VBGA	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	BALL	SERIAL	ASYNCHRONOUS	128 words	COMMON	5	3/5	8	GRID ARRAY, VERY THIN PROFILE	BGA4,2X2,37/16	Other Memory ICs	.933 mm	85 Cel	128X8	128	-40 Cel	TIN SILVER COPPER NICKEL	BOTTOM	R-PBGA-B2	1	6 V	.639 mm	.91 mm	Not Qualified	1024 bit	2.8 V		e2	30	260	1.6 mm	15000 ns
DS1982-F3	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	ASYNCHRONOUS	1024 words	COMMON	5	3/5	1	DISK BUTTON	BUTTON,.68IN	Other Memory ICs		85 Cel	1KX1	1K	-40 Cel	TIN LEAD	END	O-MEDB-N2	1	6 V			Not Qualified	1024 bit	2.8 V	MICROLAN COMPATIBLE	e0				15000 ns
DS1982-F3#	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	ASYNCHRONOUS	1024 words		5		1	DISK BUTTON				85 Cel	1KX1	1K	-40 Cel	MATTE TIN	END	O-MEDB-N2		6 V			Not Qualified	1024 bit	2.8 V	MICROLAN COMPATIBLE	e3
DS1982-F3+	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	ASYNCHRONOUS	1024 words	COMMON	5	3/5	1	DISK BUTTON	BUTTON,.68IN	Other Memory ICs		85 Cel	1KX1	1K	-40 Cel	Matte Tin (Sn) - annealed	END	O-MEDB-N2		6 V			Not Qualified	1024 bit	2.8 V	MICROLAN COMPATIBLE	e3				15000 ns
DS1986U-F3	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	8192 words				8	DISK BUTTON				85 Cel	8KX8	8K	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	65536 bit	2.8 V		e0
DS1986U-F3-PPPP	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	8192 words				8	DISK BUTTON				85 Cel	8KX8	8K	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	65536 bit	2.8 V		e0
DS1985U-F5-PPPP	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	2048 words				8	DISK BUTTON				85 Cel	2KX8	2K	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	16384 bit	2.8 V		e0
DS1985U-F3	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	2048 words				8	DISK BUTTON				85 Cel	2KX8	2K	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	16384 bit	2.8 V		e0
DS1422	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	128 words			3/5	8	DISK BUTTON	BUTTON,.68IN	Other Memory ICs		85 Cel	128X8	128	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	1024 bit	2.8 V		e0
DS1982-F5+	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	ASYNCHRONOUS	1024 words	COMMON	5	3/5	1	DISK BUTTON	BUTTON,.68IN	Other Memory ICs		85 Cel	1KX1	1K	-40 Cel	Matte Tin (Sn) - annealed	END	O-MEDB-N2	1	6 V			Not Qualified	1024 bit	2.8 V	MICROLAN COMPATIBLE	e3				15000 ns
DS1986U-F5	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	8192 words				8	DISK BUTTON				85 Cel	8KX8	8K	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	65536 bit	2.8 V		e0
DS1985U-F3-PPPP	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	2048 words				8	DISK BUTTON				85 Cel	2KX8	2K	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	16384 bit	2.8 V		e0
DS1986U-F5-PPPP	Analog Devices	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	8192 words				8	DISK BUTTON				85 Cel	8KX8	8K	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	65536 bit	2.8 V		e0
DS1982U-F3	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	128 words		5		8	DISK BUTTON				85 Cel	128X8	128	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	1024 bit	2.8 V	MICROLAN COMPATIBLE	e0
DS1982U-F5-PPPP	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	128 words				8	DISK BUTTON				85 Cel	128X8	128	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	1024 bit	2.8 V		e0
DS1986-F5	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	ASYNCHRONOUS	65536 words	COMMON	5	3/5	1	DISK BUTTON	BUTTON,.68IN	Other Memory ICs		85 Cel	64KX1	64K	-40 Cel	TIN LEAD	END	O-MEDB-N2	1	6 V			Not Qualified	65536 bit	2.8 V	MICROLAN COMPATIBLE	e0
DS1982U-F5	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	128 words		5		8	DISK BUTTON				85 Cel	128X8	128	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	1024 bit	2.8 V	MICROLAN COMPATIBLE	e0
DS1982-F5	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	ASYNCHRONOUS	1024 words	COMMON	5	3/5	1	DISK BUTTON	BUTTON,.68IN	Other Memory ICs		85 Cel	1KX1	1K	-40 Cel	TIN LEAD	END	O-MEDB-N2	1	6 V			Not Qualified	1024 bit	2.8 V	MICROLAN COMPATIBLE	e0				15000 ns
DS1986-F3+	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	ASYNCHRONOUS	65536 words		5		1	DISK BUTTON				85 Cel	64KX1	64K	-40 Cel		END	O-MEDB-N2		6 V			Not Qualified	65536 bit	2.8 V			NOT SPECIFIED	NOT SPECIFIED
DS1986-F3	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	ASYNCHRONOUS	65536 words	COMMON	5	3/5	1	DISK BUTTON	BUTTON,.68IN	Other Memory ICs		85 Cel	64KX1	64K	-40 Cel	TIN LEAD	END	O-MEDB-N2	1	6 V			Not Qualified	65536 bit	2.8 V	MICROLAN COMPATIBLE	e0
DS1982U-F3-PPPP	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	128 words				8	DISK BUTTON				85 Cel	128X8	128	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	1024 bit	2.8 V		e0
DS1985U-F5	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	SYNCHRONOUS	2048 words				8	DISK BUTTON				85 Cel	2KX8	2K	-40 Cel	TIN LEAD	END	O-MEDB-N2		6 V			Not Qualified	16384 bit	2.8 V		e0
DS1986F-5+	Maxim Integrated	OTP ROM	INDUSTRIAL	2		ROUND	METAL	YES	1	CMOS	NO LEAD	SERIAL	ASYNCHRONOUS	65536 words		5		1	DISK BUTTON				85 Cel	64KX1	64K	-40 Cel	MATTE TIN	END	O-MEDB-N2		6 V			Not Qualified	65536 bit	2.8 V		e3
DS2502G+T&R	Maxim Integrated	OTP ROM	INDUSTRIAL	2	VBCC	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	BUTT	SERIAL	ASYNCHRONOUS	128 words	COMMON		3/5	8	CHIP CARRIER, VERY THIN PROFILE	SURF MNT 2,.25SQ	Other Memory ICs		85 Cel	128X8	128	-40 Cel	NICKEL PALLADIUM GOLD	BOTTOM	S-PBCC-B2			1 mm	6 mm	Not Qualified	1024 bit			e4			6 mm	15000 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.