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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 4KB SPI SER CMOS EEPROM FOR VCC=1.7V NV25040DTVLT3G onsemi 1: £0.721 3,000Expected 24/12/2026 New Product	Mfr. Part No. NV25040DTVLT3G Mouser Part No 863-NV25040DTVLT3G New Product	onsemi	EEPROM 4KB SPI SER CMOS EEPROM FOR VCC=1.7V Learn More about onsemi nv250x0lv eeproms	Datasheet	3,000Expected 24/12/2026	Cut Tape £0.721 £0.676 £0.657 £0.643 View Reel £0.56 £0.629 £0.61 £0.596 £0.582 £0.56	Min.: 1 Mult.: 1 : 3,000	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
F-RAM 4Kb Serial SPI 3V FRAM FM25L04B-DG Infineon Technologies 1: £1.57 1,620Expected 01/07/2027	Mfr. Part No. FM25L04B-DG Mouser Part No 877-FM25L04B-DG	Infineon Technologies	F-RAM 4Kb Serial SPI 3V FRAM Learn More about Infineon Technologies cypress serial fram	Datasheet	1,620Expected 01/07/2027	£1.57 £1.47 £1.42 £1.40 View £1.36 £1.33	Min.: 1 Mult.: 1	FRAM	SMD/SMT	DFN-8	4 kbit	SPI
EEPROM 512x8 - 2.5V 25LC040/SN Microchip Technology 1: £0.548 551Expected 09/11/2026	Mfr. Part No. 25LC040/SN Mouser Part No 579-25LC040SN	Microchip Technology	EEPROM 512x8 - 2.5V	Datasheet	551Expected 09/11/2026	£0.548 £0.545 £0.52 £0.496	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	SPI
EEPROM Auto 4-Kb MICROWIRE serial EEPROM M93C66-RDW3TP/K STMicroelectronics 1: £0.465 1,056In Stock	Mfr. Part No. M93C66-RDW3TP/K Mouser Part No 511-M93C66-RDW3TP/K	STMicroelectronics	EEPROM Auto 4-Kb MICROWIRE serial EEPROM	Datasheet	1,056In Stock	Cut Tape £0.465 £0.441 £0.43 £0.422 View Reel £0.351 £0.414 £0.402 £0.395 £0.385 £0.351 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	4 kbit	3-Wire, Microwire
EEPROM 512x8 - 2.5V Lead Free Package 24LC04B-I/SNG Microchip Technology 1: £0.285 1,100Expected 12/11/2026 NRND	Mfr. Part No. 24LC04B-I/SNG Mouser Part No 579-24LC04B-I/SNG NRND	Microchip Technology	EEPROM 512x8 - 2.5V Lead Free Package Learn More about Microchip Technology microchip 24aa04 24lc04b 24fc04 eeproms	Datasheet	1,100Expected 12/11/2026	£0.285 £0.28 £0.265 £0.24	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	2-Wire, I2C
EEPROM EEPROM S I2C 4k M24C04-WDW6TP STMicroelectronics 1: £0.18 8,000Expected 16/07/2027	Mfr. Part No. M24C04-WDW6TP Mouser Part No 511-M24C04-WDW6TP	STMicroelectronics	EEPROM EEPROM S I2C 4k Learn More about STMicroelectronics stm standard products	Datasheet	8,000Expected 16/07/2027	Cut Tape £0.18 £0.167 £0.163 £0.16 View Reel £0.122 £0.156 £0.153 £0.148 £0.138 £0.122 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	4 kbit	2-Wire, I2C
EEPROM Serial SPI Bus EEPROM M95040-RDW6TP STMicroelectronics 1: £0.30 3,750Expected 21/01/2027	Mfr. Part No. M95040-RDW6TP Mouser Part No 511-M95040-RDW6TP	STMicroelectronics	EEPROM Serial SPI Bus EEPROM Learn More about STMicroelectronics stm standard products	Datasheet	3,750Expected 21/01/2027	Cut Tape £0.30 £0.295 £0.287 £0.282 View Reel £0.23 £0.276 £0.268 £0.262 £0.256 £0.23 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 4 Kbit SPI BUS EE 10MHz CR 5ms M95040-RMC6TG STMicroelectronics 1: £0.315 4,680Expected 21/12/2026	Mfr. Part No. M95040-RMC6TG Mouser Part No 511-M95040-RMC6TG	STMicroelectronics	EEPROM 4 Kbit SPI BUS EE 10MHz CR 5ms Learn More about STMicroelectronics stm standard products	Datasheet	4,680Expected 21/12/2026	Cut Tape £0.315 £0.298 £0.29 £0.285 View Reel £0.238 £0.278 £0.271 £0.265 £0.254 £0.238 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	EEPROM	SMD/SMT	UFDFPN-8	4 kbit	SPI
EEPROM 4K Serial EEPROM SPD EEPROM for DDR4 34AA04T-I/ST Microchip Technology 1: £0.33 2,493Expected 07/12/2026	Mfr. Part No. 34AA04T-I/ST Mouser Part No 579-34AA04T-I/ST	Microchip Technology	EEPROM 4K Serial EEPROM SPD EEPROM for DDR4	Datasheet	2,493Expected 07/12/2026	Cut Tape £0.33 £0.328 £0.304 Reel £0.297 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	TSSOP-8	4 kbit	2-Wire, I2C
EEPROM 4-kb I2C CMOS Serial EEPROM Memory - Automotive Grade CAV24C04C5ATR onsemi 1: £0.30 5,000Expected 14/12/2026 New Product	Mfr. Part No. CAV24C04C5ATR Mouser Part No 863-CAV24C04C5ATR New Product	onsemi	EEPROM 4-kb I2C CMOS Serial EEPROM Memory - Automotive Grade Learn More about onsemi oncmos	Datasheet	5,000Expected 14/12/2026	Cut Tape £0.30 £0.282 £0.274 £0.269 View Reel £0.235 £0.263 £0.255 £0.25 £0.244 £0.235	Min.: 1 Mult.: 1 : 5,000	EEPROM	SMD/SMT	WLCSP-5	4 kbit	I2C
F-RAM 4Kb Serial SPI 5V FRAM FM25040B-G Infineon Technologies 1: £1.56 970Expected 29/04/2027	Mfr. Part No. FM25040B-G Mouser Part No 877-FM25040B-G	Infineon Technologies	F-RAM 4Kb Serial SPI 5V FRAM Learn More about Infineon Technologies cypress serial fram	Datasheet	970Expected 29/04/2027	£1.56 £1.31 £1.27	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 kbit	SPI
EEPROM I2C BUS 4Kbit 1.8-5.5V Supply BR24L04FVT-WE2 ROHM Semiconductor 1: £0.54 1,807Expected 01/02/2027 NRND	Mfr. Part No. BR24L04FVT-WE2 Mouser Part No 755-BR24L04FVT-WE2 NRND	ROHM Semiconductor	EEPROM I2C BUS 4Kbit 1.8-5.5V Supply	Datasheet	1,807Expected 01/02/2027	Cut Tape £0.54 £0.518 £0.504 £0.493 View Reel £0.43 £0.484 £0.47 £0.458 £0.448 £0.43 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	EEPROM	SMD/SMT	TSSOP-B-8	4 kbit	I2C
EEPROM 4K (512 X 8) SPI, 1.8V AT25040B-XHL-T Microchip Technology 5,000: £0.265 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT25040B-XHL-T Mouser Part No 556-AT25040B-XHL-T	Microchip Technology	EEPROM 4K (512 X 8) SPI, 1.8V	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £0.265	Min.: 5,000 Mult.: 5,000 : 5,000	EEPROM	SMD/SMT	TSSOP-8	4 kbit	3-Wire, SPI
EEPROM 4K (512x8/256x16) 3-WIRE NiPdAu, 1.7V AT93C66B-MAHM-T Microchip Technology 5,000: £0.249 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT93C66B-MAHM-T Mouser Part No 556-AT93C66B-MAHM-T	Microchip Technology	EEPROM 4K (512x8/256x16) 3-WIRE NiPdAu, 1.7V	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £0.249	Min.: 5,000 Mult.: 5,000 : 5,000	EEPROM	SMD/SMT	UDFN-8	4 kbit	3-Wire, Microwire
EEPROM 4K 512 X 8 1.8V SERIAL EE IND 11AA040-I/MS Microchip Technology 1: £0.285 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 11AA040-I/MS Mouser Part No 579-11AA040-I/MS	Microchip Technology	EEPROM 4K 512 X 8 1.8V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 10 Weeks	£0.285 £0.28 £0.265	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	MSOP-8	4 kbit	UNI/O Bus
EEPROM 4K 512X8 1.8V SERIAL EE IND 11AA040-I/P Microchip Technology 1: £0.315 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 11AA040-I/P Mouser Part No 579-11AA040-I/P	Microchip Technology	EEPROM 4K 512X8 1.8V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 10 Weeks	£0.315 £0.313 £0.304 £0.297	Min.: 1 Mult.: 1	EEPROM	Through Hole	DIP-8	4 kbit	UNI/O Bus
EEPROM 4K 512 X 8 1.8V SERIAL EE IND 11AA040T-I/MNY Microchip Technology 3,300: £0.265 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. 11AA040T-I/MNY Mouser Part No 579-11AA040T-I/MNY	Microchip Technology	EEPROM 4K 512 X 8 1.8V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £0.265	Min.: 3,300 Mult.: 3,300 : 3,300	EEPROM	SMD/SMT	TDFN-8	4 kbit	UNI/O Bus
EEPROM 4K 512 X 8 1.8V SERIAL EE IND 11AA040T-I/MS Microchip Technology 2,500: £0.265 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 11AA040T-I/MS Mouser Part No 579-11AA040T-I/MS	Microchip Technology	EEPROM 4K 512 X 8 1.8V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel £0.265	Min.: 2,500 Mult.: 2,500 : 2,500	EEPROM	SMD/SMT	MSOP-8	4 kbit	UNI/O Bus
EEPROM 4K 512 X 8 1.8V SERIAL EE IND 11AA040T-I/SN Microchip Technology 3,300: £0.217 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. 11AA040T-I/SN Mouser Part No 579-11AA040T-I/SN	Microchip Technology	EEPROM 4K 512 X 8 1.8V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel £0.217	Min.: 3,300 Mult.: 3,300 : 3,300	EEPROM	SMD/SMT	SOIC-8	4 kbit	UNI/O Bus
EEPROM 4K 512 X 8 2.5V SERIAL EE IND 11LC040-I/MS Microchip Technology 1: £0.285 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 11LC040-I/MS Mouser Part No 579-11LC040-I/MS	Microchip Technology	EEPROM 4K 512 X 8 2.5V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 10 Weeks	£0.285 £0.28 £0.265	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	MSOP-8	4 kbit	UNI/O Bus
EEPROM 4K 512X8 2.5V SERIAL EE IND 11LC040-I/SN Microchip Technology 1: £0.24 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. 11LC040-I/SN Mouser Part No 579-11LC040-I/SN	Microchip Technology	EEPROM 4K 512X8 2.5V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 11 Weeks	£0.24 £0.232 £0.217	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	UNI/O Bus
EEPROM 4K 512 X 8 2.5V SERIAL EE IND 11LC040T-I/MNY Microchip Technology 3,300: £0.265 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. 11LC040T-I/MNY Mouser Part No 579-11LC040T-I/MNY	Microchip Technology	EEPROM 4K 512 X 8 2.5V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £0.265	Min.: 3,300 Mult.: 3,300 : 3,300	EEPROM	SMD/SMT	TDFN-8	4 kbit	UNI/O Bus
EEPROM 4K 512 X 8 2.5V SERIAL EE IND 11LC040T-I/MS Microchip Technology 2,500: £0.265 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 11LC040T-I/MS Mouser Part No 579-11LC040T-I/MS	Microchip Technology	EEPROM 4K 512 X 8 2.5V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel £0.265	Min.: 2,500 Mult.: 2,500 : 2,500	EEPROM	SMD/SMT	MSOP-8	4 kbit	UNI/O Bus
EEPROM 4K 512 X 8 2.5V SERIAL EE IND 11LC040T-I/SN Microchip Technology 3,300: £0.217 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. 11LC040T-I/SN Mouser Part No 579-11LC040T-I/SN	Microchip Technology	EEPROM 4K 512 X 8 2.5V SERIAL EE IND Learn More about Microchip Technology microchip_unio	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel £0.217	Min.: 3,300 Mult.: 3,300 : 3,300	EEPROM	SMD/SMT	SOIC-8	4 kbit	UNI/O Bus
EEPROM 512x8 - 1.8V 24AA04/P Microchip Technology 1: £0.338 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. 24AA04/P Mouser Part No 579-24AA04/P	Microchip Technology	EEPROM 512x8 - 1.8V Learn More about Microchip Technology microchip 24aa04 24lc04b 24fc04 eeproms	Datasheet	Non-Stocked Lead-Time 9 Weeks	£0.338 £0.336 £0.328 £0.313	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	2-Wire, I2C