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512 x 8 Memory ICs

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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 512x8 93C66A-E/ST Microchip Technology 1: $0.52 804In Stock	Mfr. Part No. 93C66A-E/ST Mouser Part No 579-93C66A-E/ST	Microchip Technology	EEPROM 512x8	Datasheet	804In Stock	$0.52 $0.512 $0.501 $0.48	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	4 kbit	3-Wire, Microwire
EEPROM I2C BUS 4K 2.5-5.5 Ind SOP8 BR24A04F-WLBH2 ROHM Semiconductor 1: $2.26 245In Stock	Mfr. Part No. BR24A04F-WLBH2 Mouser Part No 755-BR24A04F-WLBH2	ROHM Semiconductor	EEPROM I2C BUS 4K 2.5-5.5 Ind SOP8 Learn More about ROHM Semiconductor rohm industrial product solutions	Datasheet	245In Stock	Cut Tape $2.26 $2.11 $2.04 $1.99 Reel $1.83 View $1.95 $1.77 $1.72 $1.69 MouseReel Available	Min.: 1 Mult.: 1 : 250	EEPROM	SMD/SMT	SOP-8	4 kbit	I2C
EEPROM 4Kb I2C EEPROM, 1MHz 1.7-5.5V, 8-UDFN, IND W/HALF ARRAY WP 24FC04HT-I/MUY Microchip Technology 1: $0.28 9,320In Stock	Mfr. Part No. 24FC04HT-I/MUY Mouser Part No 579-24FC04HT-I/MUY	Microchip Technology	EEPROM 4Kb I2C EEPROM, 1MHz 1.7-5.5V, 8-UDFN, IND W/HALF ARRAY WP Learn More about Microchip Technology microchip 24aa04 24lc04b 24fc04 eeproms	Datasheet	9,320In Stock	Cut Tape $0.28 Reel $0.24	Min.: 1 Mult.: 1 : 5,000	EEPROM	SMD/SMT	UDFN-8	4 kbit	2-Wire, I2C
EEPROM 4Kb I2C EEPROM, 1MHz 1.7-5.5V, 8-SOIC 24FC04T-E/SN Microchip Technology 1: $0.32 4,130In Stock	Mfr. Part No. 24FC04T-E/SN Mouser Part No 579-24FC04T-E/SN	Microchip Technology	EEPROM 4Kb I2C EEPROM, 1MHz 1.7-5.5V, 8-SOIC Learn More about Microchip Technology microchip 24aa04 24lc04b 24fc04 eeproms	Datasheet	4,130In Stock	Cut Tape $0.32 $0.309 Reel $0.299	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	4 kbit	2-Wire, I2C
EEPROM 512x8 - 2.5V 24LC04B-E/ST Microchip Technology 1: $0.49 2,256In Stock	Mfr. Part No. 24LC04B-E/ST Mouser Part No 579-24LC04B-E/ST	Microchip Technology	EEPROM 512x8 - 2.5V Learn More about Microchip Technology microchip 24aa04 24lc04b 24fc04 eeproms	Datasheet	2,256In Stock	$0.49 $0.48 $0.448	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	4 kbit	2-Wire, I2C
EEPROM 4K 512X8 1.8V SER EE IND 25AA040A-I/MS Microchip Technology 1: $0.63 1,671In Stock	Mfr. Part No. 25AA040A-I/MS Mouser Part No 579-25AA040A-I/MS	Microchip Technology	EEPROM 4K 512X8 1.8V SER EE IND	Datasheet	1,671In Stock	$0.63 $0.629 $0.618 $0.586	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	MSOP-8	4 kbit	SPI
EEPROM 4K (512 X 8) SPI, 1.8V AT25040B-MAHL-T Microchip Technology 5,000: $0.373 5,000In Stock	Mfr. Part No. AT25040B-MAHL-T Mouser Part No 556-AT25040B-MAHL-T	Microchip Technology	EEPROM 4K (512 X 8) SPI, 1.8V	Datasheet	5,000In Stock	Reel $0.373	Min.: 5,000 Mult.: 5,000 : 5,000	EEPROM	SMD/SMT	UDFN-8	4 kbit	3-Wire, SPI
EEPROM 4Kb I2C EEPROM, 1MHz 1.7-5.5V, 8-UDFN 24FC04T-I/MUY Microchip Technology 1: $0.25 4,396In Stock	Mfr. Part No. 24FC04T-I/MUY Mouser Part No 579-24FC04T-I/MUY	Microchip Technology	EEPROM 4Kb I2C EEPROM, 1MHz 1.7-5.5V, 8-UDFN Learn More about Microchip Technology microchip 24aa04 24lc04b 24fc04 eeproms	Datasheet	4,396In Stock	Cut Tape $0.25 $0.249 $0.247 $0.245 Reel $0.24	Min.: 1 Mult.: 1 : 5,000	EEPROM	SMD/SMT	UDFN-8	4 kbit	2-Wire, I2C
EEPROM 512x8 - 2.5V 24LC04B-I/ST Microchip Technology 1: $0.40 2,017In Stock	Mfr. Part No. 24LC04B-I/ST Mouser Part No 579-24LC04B-I/ST	Microchip Technology	EEPROM 512x8 - 2.5V Learn More about Microchip Technology microchip 24aa04 24lc04b 24fc04 eeproms	Datasheet	2,017In Stock	$0.40 $0.395 $0.384 $0.373	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	4 kbit	2-Wire, I2C
EEPROM 4K 512X8 2.5V SER EE IND 25LC040AT-I/ST Microchip Technology 1: $0.65 2,089In Stock	Mfr. Part No. 25LC040AT-I/ST Mouser Part No 579-25LC040AT-I/ST	Microchip Technology	EEPROM 4K 512X8 2.5V SER EE IND	Datasheet	2,089In Stock	Cut Tape $0.65 $0.643 Reel $0.586 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 4K Serial EEPROM SPD EEPROM for DDR4 34AA04-E/SN Microchip Technology 1: $0.461 924In Stock	Mfr. Part No. 34AA04-E/SN Mouser Part No 579-34AA04-E/SN	Microchip Technology	EEPROM 4K Serial EEPROM SPD EEPROM for DDR4	Datasheet	924In Stock	$0.461 $0.458 $0.448 $0.437	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	2-Wire, I2C
EEPROM 512x8 93LC66A-E/P Microchip Technology 1: $0.58 588In Stock	Mfr. Part No. 93LC66A-E/P Mouser Part No 579-93LC66A-E/P	Microchip Technology	EEPROM 512x8	Datasheet	588In Stock	$0.58 $0.576 $0.565 $0.522	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	3-Wire, Microwire
EEPROM 4K Serial EEPROM SPD EEPROM for DDR4 34AA04T-E/SN Microchip Technology 1: $0.461 3,148In Stock	Mfr. Part No. 34AA04T-E/SN Mouser Part No 579-34AA04T-E/SN	Microchip Technology	EEPROM 4K Serial EEPROM SPD EEPROM for DDR4	Datasheet	3,148In Stock	Cut Tape $0.461 $0.458 $0.448 Reel $0.437 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	4 kbit	2-Wire, I2C
EEPROM 4KB SPI SER CMOS EEPROM NV25040MUW3VTBG onsemi 1: $0.48 2,904In Stock	Mfr. Part No. NV25040MUW3VTBG Mouser Part No 863-NV25040MUW3VTBG	onsemi	EEPROM 4KB SPI SER CMOS EEPROM Learn More about onsemi nv25xx0 automotive grade0 eeprom	Datasheet	2,904In Stock	Cut Tape $0.48 $0.447 $0.435 $0.426 View Reel $0.199 $0.418 $0.405 $0.397 $0.387 $0.199 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	EEPROM	SMD/SMT	UDFN-8	4 kbit	SPI
EEPROM 4K Serial EEPROM SPD EEPROM for DDR4 34AA04T-I/SN Microchip Technology 1: $0.38 776In Stock 3,300Expected 2026/11/30	Mfr. Part No. 34AA04T-I/SN Mouser Part No 579-34AA04T-I/SN	Microchip Technology	EEPROM 4K Serial EEPROM SPD EEPROM for DDR4	Datasheet	776In Stock 3,300Expected 2026/11/30	Cut Tape $0.38 $0.373 $0.363 Reel $0.352 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	4 kbit	2-Wire, I2C
EEPROM 4K Serial EEPROM SPD EEPROM for DDR4 34AA04-I/P Microchip Technology 1: $0.48 566In Stock	Mfr. Part No. 34AA04-I/P Mouser Part No 579-34AA04-I/P	Microchip Technology	EEPROM 4K Serial EEPROM SPD EEPROM for DDR4	Datasheet	566In Stock	$0.48 $0.458 $0.448	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	4 kbit	2-Wire, I2C
EEPROM 512x8 93LC66A/SN Microchip Technology 1: $0.38 3,622In Stock	Mfr. Part No. 93LC66A/SN Mouser Part No 579-93LC66ASN	Microchip Technology	EEPROM 512x8	Datasheet	3,622In Stock	$0.38 $0.373 $0.363 $0.352	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	4 kbit	3-Wire, Microwire
EEPROM 16Kbit 8Kbit 4Kbit 2Kb and 1Kb Serial M24C04-RDW6TP STMicroelectronics 1: $0.20 11,187In Stock	Mfr. Part No. M24C04-RDW6TP Mouser Part No 511-M24C04-RDW6TP	STMicroelectronics	EEPROM 16Kbit 8Kbit 4Kbit 2Kb and 1Kb Serial Learn More about STMicroelectronics stm standard products	Datasheet	11,187In Stock	Cut Tape $0.20 $0.186 $0.181 $0.178 View Reel $0.14 $0.174 $0.171 $0.167 $0.165 $0.14 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	4 kbit	2-Wire, I2C
EEPROM 4-Kb SPI bus EEPROM w/ hi-spd clock M95040-DFDW6TP STMicroelectronics 1: $0.39 3,868In Stock	Mfr. Part No. M95040-DFDW6TP Mouser Part No 511-M95040-DFDW6TP	STMicroelectronics	EEPROM 4-Kb SPI bus EEPROM w/ hi-spd clock	Datasheet	3,868In Stock	Cut Tape $0.39 $0.371 $0.361 $0.354 View Reel $0.279 $0.347 $0.336 $0.329 $0.321 $0.279 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	4 kbit	SPI
EEPROM 4K 512X8 SER EE IND 93LC66AT-I/MNY Microchip Technology 1: $0.44 3,156In Stock	Mfr. Part No. 93LC66AT-I/MNY Mouser Part No 579-93LC66AT-I/MNY	Microchip Technology	EEPROM 4K 512X8 SER EE IND	Datasheet	3,156In Stock	Cut Tape $0.44 $0.437 $0.414 Reel $0.395	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	TDFN-8	4 kbit	3-Wire, Microwire
EEPROM 4-Kbit SPD EEPROM with temperature sensor for DDR4 DIMMs S-34TS04A0B-A8T5U5 ABLIC 1: $2.91 2,459In Stock	Mfr. Part No. S-34TS04A0B-A8T5U5 Mouser Part No 628-S34TS04A0BA8T5U5	ABLIC	EEPROM 4-Kbit SPD EEPROM with temperature sensor for DDR4 DIMMs Learn More about ABLIC s 34ts04a serial eeprom	Datasheet	2,459In Stock	Cut Tape $2.91 $2.78 $2.72 $2.69 View Reel $2.21 $2.65 $2.61 $2.56 $2.28 $2.21 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	DFN-8	4 kbit	2-Wire, I2C
EEPROM 4-Kbit EEPROM with temperature sensor S-34TS04L0B-A8T5U5 ABLIC 1: $3.35 3,787In Stock	Mfr. Part No. S-34TS04L0B-A8T5U5 Mouser Part No 628-S34TS04L0BA8T5U5	ABLIC	EEPROM 4-Kbit EEPROM with temperature sensor Learn More about ABLIC s 34ts04a serial eeprom	Datasheet	3,787In Stock	Cut Tape $3.35 $3.21 $3.15 $3.11 View Reel $2.85 $3.07 $3.01 $2.97 $2.86 $2.85 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	DFN-8	4 kbit	2-Wire, I2C
EEPROM 4-Kb SPI bus EEPROM w/ hi-spd clock M95040-DFMN6TP STMicroelectronics 1: $0.361 5,835In Stock	Mfr. Part No. M95040-DFMN6TP Mouser Part No 511-M95040-DFMN6TP	STMicroelectronics	EEPROM 4-Kb SPI bus EEPROM w/ hi-spd clock	Datasheet	5,835In Stock	Cut Tape $0.361 $0.34 $0.333 $0.326 View Reel $0.224 $0.317 $0.309 $0.302 $0.295 $0.224 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	SOIC-8	4 kbit	SPI
EEPROM I2C BUS(2-Wre) 4K SSOP-B8 EEPROM BR24L04FV-WE2 ROHM Semiconductor 1: $0.54 5,033In Stock NRND	Mfr. Part No. BR24L04FV-WE2 Mouser Part No 755-BR24L04FV-WE2 NRND	ROHM Semiconductor	EEPROM I2C BUS(2-Wre) 4K SSOP-B8 EEPROM	Datasheet	5,033In Stock	Cut Tape $0.54 $0.506 $0.493 $0.483 Reel $0.476 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	TSSOP-8	4 kbit	I2C
EEPROM 4Kb Serial I2C S-24C04DI-J8T1U5 ABLIC 1: $0.47 3,496In Stock	Mfr. Part No. S-24C04DI-J8T1U5 Mouser Part No 628-S-24C04DI-J8T1U5	ABLIC	EEPROM 4Kb Serial I2C	Datasheet	3,496In Stock	Cut Tape $0.47 $0.452 $0.448 $0.444 View Reel $0.413 $0.441 $0.436 $0.433 $0.414 $0.413 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	SOP-8	4 kbit	2-Wire