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Microchip AT28HC256 Series EEPROM

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Memory Size	Interface Type	Maximum Clock Frequency	Organisation	Package/Case	Access Time	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Retention	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
EEPROM Parallel EEPROM 5V-120NS, 883c, GR AT28HC256E-12SU Microchip Technology 1: Rp223.638 261In Stock	Mfr. Part No. AT28HC256E-12SU Mouser Part No 556-AT28HC256E-12SU	Microchip Technology	EEPROM Parallel EEPROM 5V-120NS, 883c, GR	Datasheet	261In Stock	Rp223.638 Rp219.235 Rp213.731 Rp211.346 View Rp210.979 Rp210.062 Quote	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	SOIC-28	120 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 70NS PLCC IND GRN AT28HC256E-70JU-T Microchip Technology 1: Rp279.593 673In Stock	Mfr. Part No. AT28HC256E-70JU-T Mouser Part No 556-AT28HC256E70JUT	Microchip Technology	EEPROM 70NS PLCC IND GRN	Datasheet	673In Stock	Cut Tape Rp279.593 Rp259.229 Reel Rp257.394	Min.: 1 Mult.: 1 : 750		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	70 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Reel, Cut Tape
EEPROM 256K FAST PROG SDP - 90NS IND TEMP AT28HC256F-90JU Microchip Technology 1: Rp279.593 357In Stock	Mfr. Part No. AT28HC256F-90JU Mouser Part No 556-AT28HC256F90JU	Microchip Technology	EEPROM 256K FAST PROG SDP - 90NS IND TEMP	Datasheet	357In Stock	Rp279.593 Rp273.722 Rp259.412 Rp258.495 View Rp250.239 Rp248.772 Quote	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 256K 5V SDP 70NS IND TEMP AT28HC256-70SU Microchip Technology 1: Rp288.950 49In Stock	Mfr. Part No. AT28HC256-70SU Mouser Part No 556-AT28HC256-70SU	Microchip Technology	EEPROM 256K 5V SDP 70NS IND TEMP	Datasheet	49In Stock	Rp288.950 Rp278.309 Rp267.485	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	SOIC-28	70 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 70NS, SOIC, IND TEMP, GREEN AT28HC256-70SU-T Microchip Technology 1: Rp238.865 905In Stock	Mfr. Part No. AT28HC256-70SU-T Mouser Part No 556-AT28HC256-70SU-T	Microchip Technology	EEPROM 70NS, SOIC, IND TEMP, GREEN	Datasheet	905In Stock	Cut Tape Rp238.865 Rp237.397 Reel Rp237.214 MouseReel Available	Min.: 1 Mult.: 1 : 1.000		256 kbit	Parallel	5 MHz	32 k x 8	SOIC-28	70 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Reel, Cut Tape, MouseReel
EEPROM 90NS, PLCC, IND TEMP, GREEN AT28HC256-90JU-T Microchip Technology 1: Rp271.521 320In Stock	Mfr. Part No. AT28HC256-90JU-T Mouser Part No 556-AT28HC256-90JU-T	Microchip Technology	EEPROM 90NS, PLCC, IND TEMP, GREEN	Datasheet	320In Stock	Cut Tape Rp271.521 Reel Rp250.056 MouseReel Available	Min.: 1 Mult.: 1 : 750		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Reel, Cut Tape, MouseReel
EEPROM 70NS, PLCC, IND TEMP, GREEN AT28HC256-70JU-T Microchip Technology 1: Rp284.363 86In Stock	Mfr. Part No. AT28HC256-70JU-T Mouser Part No 556-AT28HC256-70JU-T	Microchip Technology	EEPROM 70NS, PLCC, IND TEMP, GREEN	Datasheet	86In Stock	Cut Tape Rp284.363 Reel Rp261.797 MouseReel Available	Min.: 1 Mult.: 1 : 750		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	70 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Reel, Cut Tape, MouseReel
EEPROM 256K 5V SDP - 90NS FLATPACK 883C AT28HC256-90FM/883 Microchip Technology 1: Rp4.909.206 15In Stock	Mfr. Part No. AT28HC256-90FM/883 Mouser Part No 556-28HC25690FM/883	Microchip Technology	EEPROM 256K 5V SDP - 90NS FLATPACK 883C This product may require additional documentation to export from the United States.	Datasheet	15In Stock	Rp4.909.206 Rp4.725.196 Quote Quote	Min.: 1 Mult.: 1	No	256 kbit	Parallel	5 MHz	32 k x 8	FlatPack-28	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 55 C	+ 125 C	AT28HC256	Tube
EEPROM Parallel EEPROM 5V, SDP-70NS, GR AT28HC256-70JU Microchip Technology 1: Rp264.182 416In Stock	Mfr. Part No. AT28HC256-70JU Mouser Part No 556-AT28HC256-70JU	Microchip Technology	EEPROM Parallel EEPROM 5V, SDP-70NS, GR	Datasheet	416In Stock	Rp264.182 Rp258.679 Rp258.495 Rp257.394 View Rp252.624 Quote	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	70 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 256K 70ns AT28HC256E-70JU Microchip Technology 1: Rp260.146 101In Stock	Mfr. Part No. AT28HC256E-70JU Mouser Part No 556-AT28HC256E-70JU	Microchip Technology	EEPROM 256K 70ns	Datasheet	101In Stock	Rp260.146 Rp254.826 Rp254.642 Rp248.038 View Rp246.937 Quote	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	70 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 256K HI-ENDURANCE SDP - 120NS AT28HC256E-12LM/883 Microchip Technology 1: Rp4.741.891 12In Stock	Mfr. Part No. AT28HC256E-12LM/883 Mouser Part No 556-A28HC256E12LM883	Microchip Technology	EEPROM 256K HI-ENDURANCE SDP - 120NS This product may require additional documentation to export from the United States.	Datasheet	12In Stock	Rp4.741.891 Rp4.564.301 Quote Quote	Min.: 1 Mult.: 1	No	256 kbit	Parallel		32 k x 8	LCC-32	70 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 55 C	+ 125 C	AT28HC256	Tube
EEPROM 256K 5V SDP - 90NS AT28HC256-90LM/883 Microchip Technology 1: Rp5.132.294 11In Stock	Mfr. Part No. AT28HC256-90LM/883 Mouser Part No 556-A28HC25690LM883	Microchip Technology	EEPROM 256K 5V SDP - 90NS This product may require additional documentation to export from the United States.	Datasheet	11In Stock	Rp5.132.294 Rp4.940.027 Quote Quote	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	LCC-32	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 55 C	+ 125 C	AT28HC256	Tube
EEPROM 256K 32K x 8 120 ns 4.5V-5.5V AT28HC256-12SU Microchip Technology 1: Rp243.268 102In Stock	Mfr. Part No. AT28HC256-12SU Mouser Part No 556-AT28HC25612SU	Microchip Technology	EEPROM 256K 32K x 8 120 ns 4.5V-5.5V	Datasheet	102In Stock	Rp243.268 Rp234.462 Rp225.289	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	SOIC-28	120 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 256K 5V SDP - 90NS IND TEMP AT28HC256-90JU Microchip Technology 1: Rp268.585 46In Stock 96Expected 20/10/2026	Mfr. Part No. AT28HC256-90JU Mouser Part No 556-AT28HC25690JU	Microchip Technology	EEPROM 256K 5V SDP - 90NS IND TEMP	Datasheet	46In Stock 96Expected 20/10/2026	Rp268.585 Rp258.495 Rp248.405	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM Parallel EEPROM 5V-120NS, 883c, GR AT28HC256E-12JU Microchip Technology 1: Rp237.764 26In Stock 64Expected 09/11/2026	Mfr. Part No. AT28HC256E-12JU Mouser Part No 556-AT28HC256E-12JU	Microchip Technology	EEPROM Parallel EEPROM 5V-120NS, 883c, GR	Datasheet	26In Stock 64Expected 09/11/2026	Rp237.764 Rp228.591 Rp221.803 Rp219.969	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	120 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP AT28HC256E-90JU Microchip Technology 1: Rp224.188 51In Stock	Mfr. Part No. AT28HC256E-90JU Mouser Part No 556-AT28HC256E90JU	Microchip Technology	EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP	Datasheet	51In Stock	Rp224.188 Rp218.684 Rp215.932 Rp209.328 Rp207.493	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 256K FAST PROG SDP - 90NS IND TEMP AT28HC256F-90SU Microchip Technology 1: Rp288.399 5In Stock	Mfr. Part No. AT28HC256F-90SU Mouser Part No 556-AT28HC256F90SU	Microchip Technology	EEPROM 256K FAST PROG SDP - 90NS IND TEMP	Datasheet	5In Stock	Rp288.399 Rp277.942 Rp266.567	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	SOIC-28	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 120NS, PLCC, IND TEMP, GREEN AT28HC256-12JU-T Microchip Technology 1: Rp240.883 46In Stock	Mfr. Part No. AT28HC256-12JU-T Mouser Part No 556-AT28HC256-12JU-T	Microchip Technology	EEPROM 120NS, PLCC, IND TEMP, GREEN	Datasheet	46In Stock	Cut Tape Rp240.883 Reel Rp221.620 MouseReel Available	Min.: 1 Mult.: 1 : 750		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	120 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Reel, Cut Tape, MouseReel
EEPROM 256K 5V SDP - 120NS IND TEMP AT28HC256-12JU Microchip Technology 1: Rp237.948 96Expected 22/10/2026	Mfr. Part No. AT28HC256-12JU Mouser Part No 556-AT28HC25612JU	Microchip Technology	EEPROM 256K 5V SDP - 120NS IND TEMP	Datasheet	96Expected 22/10/2026	Rp237.948 Rp229.325 Rp219.969	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	PLCC-32	120 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 256K 5V SDP - 90NS IND TEMP AT28HC256-90SU Microchip Technology 1: Rp278.859 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT28HC256-90SU Mouser Part No 556-AT28HC25690SU	Microchip Technology	EEPROM 256K 5V SDP - 90NS IND TEMP	Datasheet	Non-Stocked Lead-Time 8 Weeks	Rp278.859 Rp268.402 Rp257.761	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	SOIC-28	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 120NS, SOIC, IND TEMP, GREEN AT28HC256E-12SU-T Microchip Technology 1.000: Rp221.620 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. AT28HC256E-12SU-T Mouser Part No 556-AT28HC256E12SUT	Microchip Technology	EEPROM 120NS, SOIC, IND TEMP, GREEN	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel Rp221.620	Min.: 1.000 Mult.: 1.000 : 1.000		256 kbit	Parallel		32 k x 8	SOIC-28	120 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Reel
EEPROM 90NS PLCC IND GRN AT28HC256E-90JU-T Microchip Technology 750: Rp222.720 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT28HC256E-90JU-T Mouser Part No 556-AT28HC256E90JUT	Microchip Technology	EEPROM 90NS PLCC IND GRN	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel Rp222.720	Min.: 750 Mult.: 750 : 750		256 kbit	Parallel		32 k x 8	PLCC-32	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Reel
EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP AT28HC256E-90SU Microchip Technology 1: Rp232.444 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. AT28HC256E-90SU Mouser Part No 556-AT28HC256E90SU	Microchip Technology	EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP	Datasheet	Non-Stocked Lead-Time 11 Weeks	Rp232.444 Rp227.674 Rp225.472 Rp222.170 View Rp221.987 Rp221.620 Quote	Min.: 1 Mult.: 1		256 kbit	Parallel	5 MHz	32 k x 8	SOIC-28	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Tube
EEPROM 90NS SOIC IND GRN AT28HC256F-90SU-T Microchip Technology 1.000: Rp262.348 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT28HC256F-90SU-T Mouser Part No 556-AT28HC256F90SUT	Microchip Technology	EEPROM 90NS SOIC IND GRN	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel Rp262.348 Quote Quote	Min.: 1.000 Mult.: 1.000 : 1.000		256 kbit	Parallel		32 k x 8	SOIC-28	90 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Reel
EEPROM 120NS, SOIC, IND TEMP, GREEN AT28HC256-12SU-T Microchip Technology 1.000: Rp226.573 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. AT28HC256-12SU-T Mouser Part No 579-AT28HC256-12SU-T	Microchip Technology	EEPROM 120NS, SOIC, IND TEMP, GREEN	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel Rp226.573	Min.: 1.000 Mult.: 1.000 : 1.000		256 kbit	Parallel		32 k x 8	SOIC-28	120 ns	4.5 V	5.5 V	SMD/SMT	10 Year	- 40 C	+ 85 C	AT28HC256	Reel

Microchip AT28HC256 Series EEPROM

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