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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	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	Packaging
EEPROM 256k 32KX8 1.8V SER EE IND 25AA256-I/SM Microchip Technology 1: $1.62 404In Stock	Mfr. Part No. 25AA256-I/SM Mouser Part No 579-25AA256-I/SM	Microchip Technology	EEPROM 256k 32KX8 1.8V SER EE IND	Datasheet	404In Stock	$1.62 $1.58 $1.50	Min.: 1 Mult.: 1	256 kbit	SPI	10 MHz	32 k x 8	SOIJ-8	50 ns	1.8 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 32kx8 - 1.8V 25AA256-I/ST Microchip Technology 1: $1.65 89In Stock 300Expected 05/11/2026	Mfr. Part No. 25AA256-I/ST Mouser Part No 579-25AA256-I/ST	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	89In Stock 300Expected 05/11/2026	$1.65 $1.60 $1.52	Min.: 1 Mult.: 1	256 kbit	SPI	10 MHz	32 k x 8	TSSOP-8	50 ns	1.8 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 4kx8 25AA320-I/SN Microchip Technology 1: $0.94 457In Stock	Mfr. Part No. 25AA320-I/SN Mouser Part No 579-25AA320-I/SN	Microchip Technology	EEPROM 4kx8	Datasheet	457In Stock	$0.94 $0.938 $0.906 $0.863	Min.: 1 Mult.: 1	32 kbit	SPI	1 MHz	4 k x 8	SOIC-8	150 ns	1.8 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 512k 64KX8 1.8V SER EE IND 25AA512-I/MF Microchip Technology 1: $2.75 213In Stock	Mfr. Part No. 25AA512-I/MF Mouser Part No 579-25AA512-I/MF	Microchip Technology	EEPROM 512k 64KX8 1.8V SER EE IND	Datasheet	213In Stock	$2.75 $2.67 $2.55	Min.: 1 Mult.: 1	512 kbit	SPI	20 MHz	64 k x 8	DFN-8	25 ns	1.8 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 512k 64Kx8 1.8V SER EE IND 25AA512-I/P Microchip Technology 1: $2.62 501In Stock	Mfr. Part No. 25AA512-I/P Mouser Part No 579-25AA512-I/P	Microchip Technology	EEPROM 512k 64Kx8 1.8V SER EE IND	Datasheet	501In Stock	$2.62 $2.54 $2.43	Min.: 1 Mult.: 1	512 kbit	SPI	20 MHz	64 k x 8	PDIP-8	25 ns	1.8 V	5.5 V	Through Hole	200 Year	- 40 C	+ 85 C	Tube
EEPROM 512k 64KX8 1.8V SER EE IND 25AA512-I/SM Microchip Technology 1: $2.45 131In Stock	Mfr. Part No. 25AA512-I/SM Mouser Part No 579-25AA512-I/SM	Microchip Technology	EEPROM 512k 64KX8 1.8V SER EE IND	Datasheet	131In Stock	$2.45 $2.36 $2.26	Min.: 1 Mult.: 1	512 kbit	SPI	20 MHz	64 k x 8	SOIJ-8	25 ns	1.8 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 8kx8 - 1.8V 25AA640-I/P Microchip Technology 1: $1.12 365In Stock	Mfr. Part No. 25AA640-I/P Mouser Part No 579-25AA640-I/P	Microchip Technology	EEPROM 8kx8 - 1.8V	Datasheet	365In Stock	$1.12 $1.08 $1.04	Min.: 1 Mult.: 1	64 kbit	SPI	1 MHz	8 k x 8	PDIP-8	150 ns	1.8 V	5.5 V	Through Hole	200 Year	- 40 C	+ 85 C	Tube
EEPROM 8kx8 - 1.8V 25AA640-I/SN Microchip Technology 1: $0.96 532In Stock	Mfr. Part No. 25AA640-I/SN Mouser Part No 579-25AA640-I/SN	Microchip Technology	EEPROM 8kx8 - 1.8V	Datasheet	532In Stock	$0.96 $0.959 $0.938 $0.895	Min.: 1 Mult.: 1	64 kbit	SPI	1 MHz	8 k x 8	SOIC-8	150 ns	1.8 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 64K 8K X 8 18V SER EE IND 25AA640A-I/MS Microchip Technology 1: $0.86 471In Stock	Mfr. Part No. 25AA640A-I/MS Mouser Part No 579-25AA640A-I/MS	Microchip Technology	EEPROM 64K 8K X 8 18V SER EE IND	Datasheet	471In Stock	$0.86 $0.852 $0.831 $0.81	Min.: 1 Mult.: 1	64 kbit	SPI	10 MHz	8 k x 8	MSOP-8	50 ns	1.8 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 64K 8K X 8 18V SER EE IND 25AA640A-I/P Microchip Technology 1: $0.93 707In Stock	Mfr. Part No. 25AA640A-I/P Mouser Part No 579-25AA640A-I/P	Microchip Technology	EEPROM 64K 8K X 8 18V SER EE IND	Datasheet	707In Stock	$0.93 $0.927 $0.895 $0.852	Min.: 1 Mult.: 1	64 kbit	SPI	10 MHz	8 k x 8	PDIP-8	50 ns	1.8 V	5.5 V	Through Hole	200 Year	- 40 C	+ 85 C	Tube
EEPROM 64K 8K X 8 18V SER EE IND 25AA640A-I/ST Microchip Technology 1: $0.86 331In Stock	Mfr. Part No. 25AA640A-I/ST Mouser Part No 579-25AA640A-I/ST	Microchip Technology	EEPROM 64K 8K X 8 18V SER EE IND	Datasheet	331In Stock	$0.86 $0.852 $0.831 $0.81	Min.: 1 Mult.: 1	64 kbit	SPI	10 MHz	8 k x 8	TSSOP-8	50 ns	1.8 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 512x8 - 5V 25C040-E/SN Microchip Technology 1: $0.84 714In Stock	Mfr. Part No. 25C040-E/SN Mouser Part No 579-25C040-E/SN	Microchip Technology	EEPROM 512x8 - 5V	Datasheet	714In Stock	$0.84 $0.831 $0.789 $0.757	Min.: 1 Mult.: 1	4 kbit	SPI	3 MHz	512 x 8	SOIC-8	150 ns	4.5 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Tube
EEPROM 512x8 - 5V 25C040-I/P Microchip Technology 1: $0.87 259In Stock	Mfr. Part No. 25C040-I/P Mouser Part No 579-25C040-I/P	Microchip Technology	EEPROM 512x8 - 5V	Datasheet	259In Stock	$0.87 $0.863 $0.831 $0.789	Min.: 1 Mult.: 1	4 kbit	SPI	3 MHz	512 x 8	PDIP-8	150 ns	4.5 V	5.5 V	Through Hole	200 Year	- 40 C	+ 85 C	Tube
EEPROM 512x8 - 5V 25C040-I/SN Microchip Technology 1: $0.73 43In Stock	Mfr. Part No. 25C040-I/SN Mouser Part No 579-25C040-I/SN	Microchip Technology	EEPROM 512x8 - 5V	Datasheet	43In Stock	$0.73 $0.725 $0.693 $0.661	Min.: 1 Mult.: 1	4 kbit	SPI	3 MHz	512 x 8	SOIC-8	150 ns	4.5 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 512x8 - 5V 25C040/P Microchip Technology 1: $0.87 515In Stock	Mfr. Part No. 25C040/P Mouser Part No 579-25C040/P	Microchip Technology	EEPROM 512x8 - 5V	Datasheet	515In Stock	$0.87 $0.863 $0.831 $0.789	Min.: 1 Mult.: 1	4 kbit	SPI	3 MHz	512 x 8	PDIP-8	150 ns	4.5 V	5.5 V	Through Hole	200 Year	0 C	+ 70 C	Tube
EEPROM 512x8 - 5V 25C040/SN Microchip Technology 1: $0.73 334In Stock	Mfr. Part No. 25C040/SN Mouser Part No 579-25C040SN	Microchip Technology	EEPROM 512x8 - 5V	Datasheet	334In Stock	$0.73 $0.725 $0.693 $0.661	Min.: 1 Mult.: 1	4 kbit	SPI	3 MHz	512 x 8	SOIC-8	150 ns	4.5 V	5.5 V	SMD/SMT	200 Year	0 C	+ 70 C	Tube
EEPROM 1kx8 - 5V 25C080-I/P Microchip Technology 1: $1.31 282In Stock	Mfr. Part No. 25C080-I/P Mouser Part No 579-25C080-I/P	Microchip Technology	EEPROM 1kx8 - 5V	Datasheet	282In Stock	$1.31 $1.25 $1.21	Min.: 1 Mult.: 1	8 kbit	SPI	3 MHz	1 k x 8	PDIP-8	150 ns	4.5 V	5.5 V	Through Hole	200 Year	- 40 C	+ 85 C	Tube
EEPROM 1kx8 - 5V 25C080/SN Microchip Technology 1: $1.16 1,076In Stock	Mfr. Part No. 25C080/SN Mouser Part No 579-25C080SN	Microchip Technology	EEPROM 1kx8 - 5V	Datasheet	1,076In Stock	$1.16 $1.11 $1.08	Min.: 1 Mult.: 1	8 kbit	SPI	3 MHz	1 k x 8	SOIC-8	150 ns	4.5 V	5.5 V	SMD/SMT	200 Year	0 C	+ 70 C	Tube
EEPROM 2kx8 - 5V 25C160-I/P Microchip Technology 1: $1.34 335In Stock	Mfr. Part No. 25C160-I/P Mouser Part No 579-25C160-I/P	Microchip Technology	EEPROM 2kx8 - 5V	Datasheet	335In Stock	$1.34 $1.30 $1.24	Min.: 1 Mult.: 1	16 kbit	SPI	3 MHz	2 k x 8	PDIP-8	150 ns	4.5 V	5.5 V	Through Hole	200 Year	- 40 C	+ 85 C	Tube
EEPROM 2kx8 - 5V 25C160-I/SN Microchip Technology 1: $1.19 517In Stock	Mfr. Part No. 25C160-I/SN Mouser Part No 579-25C160-I/SN	Microchip Technology	EEPROM 2kx8 - 5V	Datasheet	517In Stock	$1.19 $1.13 $1.10	Min.: 1 Mult.: 1	16 kbit	SPI	3 MHz	2 k x 8	SOIC-8	150 ns	4.5 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 2kx8 5V 25C160/SN Microchip Technology 1: $1.19 437In Stock	Mfr. Part No. 25C160/SN Mouser Part No 579-25C160SN	Microchip Technology	EEPROM 2kx8 5V	Datasheet	437In Stock	$1.19 $1.13 $1.10	Min.: 1 Mult.: 1	16 kbit	SPI	3 MHz	2 k x 8	SOIC-8	150 ns	4.5 V	5.5 V	SMD/SMT	200 Year	0 C	+ 70 C	Tube
EEPROM 4kx8 - 5V 25C320-I/P Microchip Technology 1: $1.08 68In Stock	Mfr. Part No. 25C320-I/P Mouser Part No 579-25C320-I/P	Microchip Technology	EEPROM 4kx8 - 5V	Datasheet	68In Stock	$1.08 $1.06 $0.991	Min.: 1 Mult.: 1	32 kbit	SPI	3 MHz	4 k x 8	PDIP-8	150 ns	4.5 V	5.5 V	Through Hole	200 Year	- 40 C	+ 85 C	Tube
EEPROM 4kx8 5V 25C320/P Microchip Technology 1: $1.08 1,124In Stock	Mfr. Part No. 25C320/P Mouser Part No 579-25C320P	Microchip Technology	EEPROM 4kx8 5V	Datasheet	1,124In Stock	$1.08 $1.06 $0.991	Min.: 1 Mult.: 1	32 kbit	SPI	3 MHz	4 k x 8	PDIP-8	150 ns	4.5 V	5.5 V	Through Hole	200 Year	0 C	+ 70 C	Tube
EEPROM 4kx8 5V 25C320/SN Microchip Technology 1: $0.94 323In Stock	Mfr. Part No. 25C320/SN Mouser Part No 579-25C320SN	Microchip Technology	EEPROM 4kx8 5V	Datasheet	323In Stock	$0.94 $0.938 $0.906 $0.863	Min.: 1 Mult.: 1	32 kbit	SPI	3 MHz	4 k x 8	SOIC-8	150 ns	4.5 V	5.5 V	SMD/SMT	200 Year	0 C	+ 70 C	Tube
EEPROM 64Kb SPI SERIAL EEPROM w/ECC, 8-TSSOP Bulk, 85C 25CS640-I/ST Microchip Technology 1: $0.60 780In Stock	Mfr. Part No. 25CS640-I/ST Mouser Part No 579-25CS640-I/ST	Microchip Technology	EEPROM 64Kb SPI SERIAL EEPROM w/ECC, 8-TSSOP Bulk, 85C Learn More about Microchip Technology microchip 25cs640 eeproms	Datasheet	780In Stock	$0.60 $0.597 $0.576 $0.565 $0.554	Min.: 1 Mult.: 1	64 kbit	SPI		8 k x 8	TSSOP-8		2.5 V	5.5 V	SMD/SMT		- 40 C	+ 85 C	Tube