SQUARE OTP ROM 21

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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	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 Finish	Terminal Position	No. of Ports	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)	Maximum Standby Current	Length	Maximum Access Time	Programming Voltage (V)
CY7C243-25JC	Cypress Semiconductor	OTP ROM	COMMERCIAL	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	100 mA	4096 words	COMMON	5	5	8	CHIP CARRIER	LDCC28,.5SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	4KX8	4K	0 Cel	TIN LEAD	QUAD		S-PQCC-J28		5.5 V			Not Qualified	32768 bit	4.5 V		e0					25 ns
CY7C261-35JC	Cypress Semiconductor	OTP ROM	COMMERCIAL	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	100 mA	8192 words	COMMON	5	5	8	CHIP CARRIER	LDCC28,.5SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	8KX8	8K	0 Cel	Tin/Lead (Sn/Pb)	QUAD		S-PQCC-J28		5.5 V	4.572 mm	11.5316 mm	Not Qualified	65536 bit	4.5 V	POWER SWITCHED PROM	e0			.03 Amp	11.5316 mm	35 ns
M27C4002-10C1TR	STMicroelectronics	OTP ROM	COMMERCIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	70 mA	262144 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	MATTE TIN	QUAD		S-PQCC-J44		5.5 V	4.57 mm	16.586 mm	Not Qualified	4194304 bit	4.5 V		e3			.0001 Amp	16.586 mm	100 ns
M27C4002-10C1	STMicroelectronics	OTP ROM	COMMERCIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	70 mA	262144 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	MATTE TIN	QUAD		S-PQCC-J44	3	5.5 V	4.57 mm	16.586 mm	Not Qualified	4194304 bit	4.5 V		e3			.0001 Amp	16.586 mm	100 ns
M27C4002-12C1	STMicroelectronics	OTP ROM	COMMERCIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	70 mA	262144 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	MATTE TIN	QUAD		S-PQCC-J44		5.5 V	4.57 mm	16.586 mm	Not Qualified	4194304 bit	4.5 V		e3			.0001 Amp	16.586 mm	120 ns
M27C4002-80C6TR	STMicroelectronics	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	70 mA	262144 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	85 Cel	3-STATE	256KX16	256K	-40 Cel	MATTE TIN	QUAD		S-PQCC-J44		5.5 V	4.57 mm	16.586 mm	Not Qualified	4194304 bit	4.5 V		e3			.0001 Amp	16.586 mm	80 ns
M27C4002-80C6	STMicroelectronics	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	70 mA	262144 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	85 Cel	3-STATE	256KX16	256K	-40 Cel	MATTE TIN	QUAD		S-PQCC-J44		5.5 V	4.57 mm	16.586 mm	Not Qualified	4194304 bit	4.5 V		e3		245	.0001 Amp	16.586 mm	80 ns
M27C4002-90C1	STMicroelectronics	OTP ROM	COMMERCIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	70 mA	262144 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	MATTE TIN	QUAD		S-PQCC-J44		5.5 V	4.57 mm	16.586 mm	Not Qualified	4194304 bit	4.5 V		e3			.0001 Amp	16.586 mm	90 ns
AT27C1024-12JC	Atmel	OTP ROM	COMMERCIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	30 mA	65536 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	64KX16	64K	0 Cel	TIN LEAD	QUAD		S-PQCC-J44	2	5.5 V	4.57 mm	16.5862 mm	Not Qualified	1048576 bit	4.5 V		e0		225	.0001 Amp	16.5862 mm	120 ns
AT27C1024-15JI	Atmel	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	30 mA	65536 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	85 Cel	3-STATE	64KX16	64K	-40 Cel	TIN LEAD	QUAD		S-PQCC-J44	2	5.5 V	4.57 mm	16.5862 mm	Not Qualified	1048576 bit	4.5 V		e0		225	.0001 Amp	16.5862 mm	150 ns
AT27C1024-45JC	Atmel	OTP ROM	COMMERCIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	30 mA	65536 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	64KX16	64K	0 Cel	TIN LEAD	QUAD		S-PQCC-J44	2	5.5 V	4.57 mm	16.5862 mm	Not Qualified	1048576 bit	4.5 V		e0		225	.0001 Amp	16.5862 mm	45 ns
AT27C1024-70JC	Atmel	OTP ROM	COMMERCIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	30 mA	65536 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	64KX16	64K	0 Cel	TIN LEAD	QUAD		S-PQCC-J44	2	5.5 V	4.57 mm	16.5862 mm	Not Qualified	1048576 bit	4.5 V		e0		225	.0001 Amp	16.5862 mm	70 ns
AT27C1024-70JI	Atmel	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	30 mA	65536 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	85 Cel	3-STATE	64KX16	64K	-40 Cel	Tin/Lead (Sn/Pb)	QUAD		S-PQCC-J44	2	5.5 V	4.572 mm	16.586 mm	Not Qualified	1048576 bit	4.5 V		e0	30	225	.0001 Amp	16.586 mm	70 ns
AT27C4096-12JI	Atmel	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	40 mA	262144 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	85 Cel	3-STATE	256KX16	256K	-40 Cel	TIN LEAD	QUAD		S-PQCC-J44	2	5.5 V	4.57 mm	16.5862 mm	Not Qualified	4194304 bit	4.5 V		e0		225	.0001 Amp	16.5862 mm	120 ns
M27W402-100K6	STMicroelectronics	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS		262144 words	COMMON	3	3/3.3	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	85 Cel	3-STATE	256KX16	256K	-40 Cel	MATTE TIN	QUAD		S-PQCC-J44		3.6 V	4.57 mm	16.586 mm	Not Qualified	4194304 bit	2.7 V	ACCESS TIME 80 NANO SECS AT VCC 3V TO 3.6V	e3			.00002 Amp	16.586 mm	100 ns
M27W102-80K6	STMicroelectronics	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	15 mA	65536 words	COMMON	3.3	3/3.3	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	85 Cel	3-STATE	64KX16	64K	-40 Cel	TIN LEAD	QUAD		S-PQCC-J44		3.6 V	4.7 mm	16.5862 mm	Not Qualified	1048576 bit	2.7 V		e0			.000015 Amp	16.5862 mm	80 ns
M27W202-100K6	STMicroelectronics	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	20 mA	131072 words	COMMON	3.3	3/3.3	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	85 Cel	3-STATE	128KX16	128K	-40 Cel	TIN LEAD	QUAD		S-PQCC-J44		3.6 V	4.7 mm	16.5862 mm	Not Qualified	2097152 bit	2.7 V		e0			.000015 Amp	16.5862 mm	100 ns
M27C4002-70C1	STMicroelectronics	OTP ROM	COMMERCIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	70 mA	262144 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	MATTE TIN	QUAD		S-PQCC-J44	3	5.5 V	4.57 mm	16.586 mm	Not Qualified	4194304 bit	4.5 V		e3			.0001 Amp	16.586 mm	70 ns
M27C4002-70C6	STMicroelectronics	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	70 mA	262144 words	COMMON	5	5	16	CHIP CARRIER	LDCC44,.7SQ	OTP ROMs	1.27 mm	85 Cel	3-STATE	256KX16	256K	-40 Cel	MATTE TIN	QUAD		S-PQCC-J44		5.5 V	4.57 mm	16.586 mm	Not Qualified	4194304 bit	4.5 V		e3			.0001 Amp	16.586 mm	70 ns
AT27C2048-90JU-T	Microchip Technology	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	35 mA	131072 words	COMMON	5		16	CHIP CARRIER	LDCC44,.7SQ		1.27 mm	85 Cel	3-STATE	128KX16	128K	-40 Cel	MATTE TIN	QUAD	1	S-PQCC-J44		5.5 V	4.572 mm	16.586 mm		2097152 bit	4.5 V		e3			.0001 Amp	16.586 mm	90 ns	13
AT27C1024-45JU-T	Microchip Technology	OTP ROM	INDUSTRIAL	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS	30 mA	65536 words	COMMON	5		16	CHIP CARRIER	LDCC44,.7SQ		1.27 mm	85 Cel	3-STATE	64KX16	64K	-40 Cel		QUAD	1	S-PQCC-J44		5.5 V	4.572 mm	16.586 mm		1048576 bit	4.5 V					.0001 Amp	16.586 mm	45 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.