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4 kbit Memory ICs

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Types of Memory ICs

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Memory Size = 4 kbit

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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.	Product Type	Mounting Style	Package/Case	Memory Size	Interface Type
EEPROM 4K 512X8 2.5V SER EE IND 25LC040AT-I/SN Microchip Technology 1: $0.57 2,428In Stock	Mfr. Part No. 25LC040AT-I/SN Mouser Part No 579-25LC040AT-I/SN	Microchip Technology	EEPROM 4K 512X8 2.5V SER EE IND	Datasheet	2,428In Stock	Cut Tape $0.57 $0.568 $0.566 $0.563 View Reel $0.493 $0.525 $0.523 $0.493 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	4 kbit	SPI
EEPROM 4K 512X8 2.5V SER EE IND 25LC040AX-I/ST Microchip Technology 1: $0.59 90In Stock	Mfr. Part No. 25LC040AX-I/ST Mouser Part No 579-25LC040AX-I/ST	Microchip Technology	EEPROM 4K 512X8 2.5V SER EE IND	Datasheet	90In Stock	$0.59 $0.588 $0.586 $0.577	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 512x8 2.5V 25LC040/P Microchip Technology 1: $0.811 455In Stock	Mfr. Part No. 25LC040/P Mouser Part No 579-25LC040P	Microchip Technology	EEPROM 512x8 2.5V	Datasheet	455In Stock	$0.811 $0.78 $0.742 $0.74	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	SPI
EEPROM 512x8 - 2.5V 25LC040T/SN Microchip Technology 1: $0.73 487In Stock	Mfr. Part No. 25LC040T/SN Mouser Part No 579-25LC040T/SN	Microchip Technology	EEPROM 512x8 - 2.5V	Datasheet	487In Stock	Cut Tape $0.73 Reel $0.644 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	4 kbit	SPI
EEPROM 512x8 - 2.5V Rot Pin 25LC040X-I/ST Microchip Technology 1: $0.74 519In Stock	Mfr. Part No. 25LC040X-I/ST Mouser Part No 579-25LC040X-I/ST	Microchip Technology	EEPROM 512x8 - 2.5V Rot Pin	Datasheet	519In Stock	$0.74 $0.711 $0.70 $0.692 $0.683	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 512x8 - 2.5V Rot Pin 25LC040XT-I/ST Microchip Technology 1: $0.761 779In Stock	Mfr. Part No. 25LC040XT-I/ST Mouser Part No 579-25LC040XT-I/ST	Microchip Technology	EEPROM 512x8 - 2.5V Rot Pin	Datasheet	779In Stock	Cut Tape $0.761 Reel $0.684 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 4K Serial EEPROM SPD EEPROM for DDR4 34AA04T-E/MNY Microchip Technology 1: $0.50 406In Stock	Mfr. Part No. 34AA04T-E/MNY Mouser Part No 579-34AA04T-E/MNY	Microchip Technology	EEPROM 4K Serial EEPROM SPD EEPROM for DDR4	Datasheet	406In Stock	Cut Tape $0.50 Reel $0.461 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	TDFN-8	4 kbit	2-Wire, I2C
SRAM 4k, 5.0V EERAM EXT 47C04-E/SN Microchip Technology 1: $0.83 101In Stock	Mfr. Part No. 47C04-E/SN Mouser Part No 579-47C04-E/SN	Microchip Technology	SRAM 4k, 5.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	101In Stock	$0.83 $0.821 $0.79 $0.747	Min.: 1 Mult.: 1	SRAM	SMD/SMT		4 kbit	I2C
SRAM 4k, 5.0V EERAM IND 47C04-I/SN Microchip Technology 1: $0.74 102In Stock 600Expected 2026/11/04	Mfr. Part No. 47C04-I/SN Mouser Part No 579-47C04-I/SN	Microchip Technology	SRAM 4k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	102In Stock 600Expected 2026/11/04	$0.74 $0.735 $0.714 $0.693	Min.: 1 Mult.: 1	SRAM	SMD/SMT		4 kbit	I2C
SRAM 4k, 3.0V EERAM EXT 47L04-E/SN Microchip Technology 1: $0.83 205In Stock	Mfr. Part No. 47L04-E/SN Mouser Part No 579-47L04-E/SN	Microchip Technology	SRAM 4k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	205In Stock	$0.83 $0.821 $0.79 $0.747	Min.: 1 Mult.: 1	SRAM	SMD/SMT		4 kbit	I2C
SRAM 4k, 3.0V EERAM IND 47L04-I/P Microchip Technology 1: $0.98 411In Stock	Mfr. Part No. 47L04-I/P Mouser Part No 579-47L04-I/P	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	411In Stock	$0.98 $0.948 $0.906	Min.: 1 Mult.: 1	SRAM	Through Hole	PDIP-8	4 kbit	I2C
SRAM 4k, 3.0V EERAM IND 47L04-I/ST Microchip Technology 1: $0.83 538In Stock	Mfr. Part No. 47L04-I/ST Mouser Part No 579-47L04-I/ST	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	538In Stock	$0.83 $0.821 $0.79 $0.747	Min.: 1 Mult.: 1	SRAM	SMD/SMT		4 kbit	I2C
EEPROM 512x8 - 1.8V 93AA66AT-I/SN Microchip Technology 1: $0.37 3,071In Stock	Mfr. Part No. 93AA66AT-I/SN Mouser Part No 579-93AA66AT-I/SN	Microchip Technology	EEPROM 512x8 - 1.8V	Datasheet	3,071In Stock	Cut Tape $0.37 $0.368 Reel $0.336 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 256x16 - 1.8V 93AA66B-I/MS Microchip Technology 1: $0.411 520In Stock	Mfr. Part No. 93AA66B-I/MS Mouser Part No 579-93AA66B-I/MS	Microchip Technology	EEPROM 256x16 - 1.8V	Datasheet	520In Stock	$0.411 $0.38 $0.378 $0.37	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	MSOP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 Or 256x16 1.8V 93AA66/SN Microchip Technology 1: $0.761 519In Stock	Mfr. Part No. 93AA66/SN Mouser Part No 579-93AA66SN	Microchip Technology	EEPROM 512x8 Or 256x16 1.8V	Datasheet	519In Stock	$0.761 $0.757 $0.726 $0.693	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 Or 256x16 93C66-E/P Microchip Technology 1: $0.92 140In Stock	Mfr. Part No. 93C66-E/P Mouser Part No 579-93C66-E/P	Microchip Technology	EEPROM 512x8 Or 256x16	Datasheet	140In Stock	$0.92 $0.89 $0.854 $0.85	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 Or 256x16 93C66-E/SN Microchip Technology 1: $0.80 383In Stock	Mfr. Part No. 93C66-E/SN Mouser Part No 579-93C66-E/SN	Microchip Technology	EEPROM 512x8 Or 256x16	Datasheet	383In Stock	$0.80 $0.784 $0.783 $0.769 View $0.759 $0.751	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-E/P Microchip Technology 1: $0.54 251In Stock	Mfr. Part No. 93C66A-E/P Mouser Part No 579-93C66A-E/P	Microchip Technology	EEPROM 512x8	Datasheet	251In Stock	$0.54 $0.53 $0.49	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-E/SN Microchip Technology 1: $0.43 300In Stock	Mfr. Part No. 93C66A-E/SN Mouser Part No 579-93C66A-E/SN	Microchip Technology	EEPROM 512x8	Datasheet	300In Stock	$0.43 $0.42 $0.411	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-I/MS Microchip Technology 1: $0.53 155In Stock	Mfr. Part No. 93C66A-I/MS Mouser Part No 579-93C66A-I/MS	Microchip Technology	EEPROM 512x8	Datasheet	155In Stock	$0.53 $0.513 $0.436 $0.378 $0.37	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	MSOP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-I/P Microchip Technology 1: $0.48 961In Stock	Mfr. Part No. 93C66A-I/P Mouser Part No 579-93C66A-I/P	Microchip Technology	EEPROM 512x8	Datasheet	961In Stock	$0.48 $0.458 $0.448	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-I/SN Microchip Technology 1: $0.35 1,517In Stock	Mfr. Part No. 93C66A-I/SN Mouser Part No 579-93C66A-I/SN	Microchip Technology	EEPROM 512x8	Datasheet	1,517In Stock	$0.35 $0.34 $0.336 $0.33	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 256x16 93C66B-E/SN Microchip Technology 1: $0.43 978In Stock	Mfr. Part No. 93C66B-E/SN Mouser Part No 579-93C66B-E/SN	Microchip Technology	EEPROM 256x16	Datasheet	978In Stock	$0.43 $0.42 $0.411	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 256x16 93C66B-I/MS Microchip Technology 1: $0.411 960In Stock	Mfr. Part No. 93C66B-I/MS Mouser Part No 579-93C66B-I/MS	Microchip Technology	EEPROM 256x16	Datasheet	960In Stock	$0.411 $0.38 $0.37	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	MSOP-8	4 kbit	3-Wire, Microwire
EEPROM 256x16 93C66B-I/P Microchip Technology 1: $0.48 389In Stock	Mfr. Part No. 93C66B-I/P Mouser Part No 579-93C66B-I/P	Microchip Technology	EEPROM 256x16	Datasheet	389In Stock	$0.48 $0.458 $0.448	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	3-Wire, Microwire