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4 kbit Memory ICs

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Memory Size = 4 kbit

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 EXT 25LC040A-E/ST Microchip Technology 1: £0.54 597In Stock	Mfr. Part No. 25LC040A-E/ST Mouser Part No 579-25LC040A-E/ST	Microchip Technology	EEPROM 4K 512X8 2.5V SER EE EXT	Datasheet	597In Stock	£0.54 £0.536 £0.512 £0.488	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 4K 512X8 2.5V SER EE IND 25LC040A-I/P Microchip Technology 1: £0.526 735In Stock	Mfr. Part No. 25LC040A-I/P Mouser Part No 579-25LC040A-I/P	Microchip Technology	EEPROM 4K 512X8 2.5V SER EE IND	Datasheet	735In Stock	£0.526 £0.52 £0.512 £0.48	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	SPI
EEPROM 4K 512X8 2.5V SER EE IND 25LC040A-I/ST Microchip Technology 1: £0.443 325In Stock	Mfr. Part No. 25LC040A-I/ST Mouser Part No 579-25LC040A-I/ST	Microchip Technology	EEPROM 4K 512X8 2.5V SER EE IND	Datasheet	325In Stock	£0.443 £0.442 £0.44 £0.426 View £0.422 £0.421	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 4K 512X8 2.5V SER EE IND 25LC040AT-I/SN Microchip Technology 1: £0.428 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 £0.428 £0.426 £0.425 £0.423 View Reel £0.37 £0.394 £0.393 £0.37 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: £0.443 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	£0.443 £0.442 £0.44 £0.433	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 512x8 2.5V 25LC040/P Microchip Technology 1: £0.608 455In Stock	Mfr. Part No. 25LC040/P Mouser Part No 579-25LC040P	Microchip Technology	EEPROM 512x8 2.5V	Datasheet	455In Stock	£0.608 £0.586 £0.557 £0.555	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	SPI
EEPROM 512x8 - 2.5V 25LC040T/SN Microchip Technology 1: £0.548 487In Stock	Mfr. Part No. 25LC040T/SN Mouser Part No 579-25LC040T/SN	Microchip Technology	EEPROM 512x8 - 2.5V	Datasheet	487In Stock	Cut Tape £0.548 Reel £0.484 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: £0.555 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	£0.555 £0.533 £0.526 £0.519 £0.512	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 512x8 - 2.5V Rot Pin 25LC040XT-I/ST Microchip Technology 1: £0.571 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 £0.571 Reel £0.513 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: £0.375 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 £0.375 Reel £0.346 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: £0.623 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	£0.623 £0.616 £0.593 £0.56	Min.: 1 Mult.: 1	SRAM	SMD/SMT		4 kbit	I2C
SRAM 4k, 5.0V EERAM IND 47C04-I/SN Microchip Technology 1: £0.555 102In Stock 600Expected 04/11/2026	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 04/11/2026	£0.555 £0.552 £0.536 £0.52	Min.: 1 Mult.: 1	SRAM	SMD/SMT		4 kbit	I2C
SRAM 4k, 3.0V EERAM EXT 47L04-E/SN Microchip Technology 1: £0.623 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	£0.623 £0.616 £0.593 £0.56	Min.: 1 Mult.: 1	SRAM	SMD/SMT		4 kbit	I2C
SRAM 4k, 3.0V EERAM IND 47L04-I/P Microchip Technology 1: £0.736 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	£0.736 £0.711 £0.68	Min.: 1 Mult.: 1	SRAM	Through Hole	PDIP-8	4 kbit	I2C
SRAM 4k, 3.0V EERAM IND 47L04-I/ST Microchip Technology 1: £0.623 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	£0.623 £0.616 £0.593 £0.56	Min.: 1 Mult.: 1	SRAM	SMD/SMT		4 kbit	I2C
EEPROM 512x8 - 1.8V 93AA66AT-I/SN Microchip Technology 1: £0.278 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 £0.278 £0.276 Reel £0.252 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: £0.308 520In Stock	Mfr. Part No. 93AA66B-I/MS Mouser Part No 579-93AA66B-I/MS	Microchip Technology	EEPROM 256x16 - 1.8V	Datasheet	520In Stock	£0.308 £0.285 £0.284 £0.278	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: £0.571 519In Stock	Mfr. Part No. 93AA66/SN Mouser Part No 579-93AA66SN	Microchip Technology	EEPROM 512x8 Or 256x16 1.8V	Datasheet	519In Stock	£0.571 £0.568 £0.545 £0.52	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 Or 256x16 93C66-E/P Microchip Technology 1: £0.691 140In Stock	Mfr. Part No. 93C66-E/P Mouser Part No 579-93C66-E/P	Microchip Technology	EEPROM 512x8 Or 256x16	Datasheet	140In Stock	£0.691 £0.668 £0.641 £0.638	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 Or 256x16 93C66-E/SN Microchip Technology 1: £0.601 383In Stock	Mfr. Part No. 93C66-E/SN Mouser Part No 579-93C66-E/SN	Microchip Technology	EEPROM 512x8 Or 256x16	Datasheet	383In Stock	£0.601 £0.588 £0.577 £0.57 £0.564	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-E/P Microchip Technology 1: £0.405 251In Stock	Mfr. Part No. 93C66A-E/P Mouser Part No 579-93C66A-E/P	Microchip Technology	EEPROM 512x8	Datasheet	251In Stock	£0.405 £0.398 £0.368	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-E/SN Microchip Technology 1: £0.323 300In Stock	Mfr. Part No. 93C66A-E/SN Mouser Part No 579-93C66A-E/SN	Microchip Technology	EEPROM 512x8	Datasheet	300In Stock	£0.323 £0.315 £0.308	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-I/MS Microchip Technology 1: £0.398 155In Stock	Mfr. Part No. 93C66A-I/MS Mouser Part No 579-93C66A-I/MS	Microchip Technology	EEPROM 512x8	Datasheet	155In Stock	£0.398 £0.385 £0.327 £0.284 £0.278	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	MSOP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-I/P Microchip Technology 1: £0.361 961In Stock	Mfr. Part No. 93C66A-I/P Mouser Part No 579-93C66A-I/P	Microchip Technology	EEPROM 512x8	Datasheet	961In Stock	£0.361 £0.344 £0.336	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 93C66A-I/SN Microchip Technology 1: £0.263 1,517In Stock	Mfr. Part No. 93C66A-I/SN Mouser Part No 579-93C66A-I/SN	Microchip Technology	EEPROM 512x8	Datasheet	1,517In Stock	£0.263 £0.255 £0.252 £0.248	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire