CMOS Serial EEPROMs

onsemi offers CMOS Serial EEPROMs with various memory configurations. The CAT24C512 is a 512 kb Serial CMOS EEPROM, internally organized as 65,536 words of 8 bits each. The CAT24M01 is a 1024 kb CMOS Serial EEPROM, internally organized as 131,072 words of 8 bits each. They feature a 128-byte (CAT24C512) page or 256-byte (CAT24M01) write buffer and support the Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C protocol. Write operations can be inhibited by taking the WP pin High (this protects the entire memory). External address pins make it possible to address up to eight (CAT24C512) or four (CAT24M01) devices on the same bus.

Results: 29
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model 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 Series Qualification Packaging
onsemi EEPROM 512KB I2C SER EEPROM 46,654In Stock
Cut Tape
£0.63
£0.606
£0.589
£0.557
Reel
£0.485
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
512 kbit 2-Wire, I2C 1 MHz 64 k x 8 SOIC-8 400 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C CAT24C512 Reel, Cut Tape, MouseReel
onsemi EEPROM 1MB I2C SERIAL EEPROM 112,202In Stock
Cut Tape
£0.96
£0.899
£0.882
£0.863
Reel
£0.751
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
1 Mbit 2-Wire, I2C 1 MHz 128 k x 8 SOIC-8 400 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C CAT24M01 Reel, Cut Tape, MouseReel

onsemi EEPROM 64KB I2C SER EEPROM 7,210In Stock
Cut Tape
£0.653
£0.604
£0.588
£0.576
Reel
£0.393
Min.: 1
Mult.: 1
: 3,000
64 kbit 2-Wire, I2C 400 kHz 8 k x 8 TSSOP-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C64 AEC-Q100 Reel, Cut Tape, MouseReel

onsemi EEPROM 32KB I2C SER EEPROM 3,720In Stock
Cut Tape
£0.578
£0.545
£0.529
£0.518
Reel
£0.366
Min.: 1
Mult.: 1
: 3,000
32 kbit 2-Wire, I2C 100 kHz 4 k x 8 TSSOP-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C32 AEC-Q100 Reel, Cut Tape, MouseReel
onsemi EEPROM 64KB I2C SER EEPROM 17,027In Stock
Cut Tape
£0.526
£0.496
£0.483
£0.472
Reel
£0.332
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
64 kbit 2-Wire, I2C 400 kHz 8 k x 8 SOIC-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C64 AEC-Q100 Reel, Cut Tape, MouseReel

onsemi EEPROM 2KB I2C SER EEPROM 4,396In Stock
Cut Tape
£0.405
£0.388
£0.378
£0.371
Reel
£0.241
Min.: 1
Mult.: 1
: 3,000
2 kbit 2-Wire, I2C 400 kHz 256 x 8 TSSOP-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C02 AEC-Q100 Reel, Cut Tape, MouseReel
onsemi EEPROM 16-kb IC CMOS Serial EEPROM Memory - Automotive Grade 9,670In Stock
Cut Tape
£0.315
£0.297
£0.289
£0.283
Reel
£0.264
Min.: 1
Mult.: 1
Max.: 500
: 5,000
16 kbit I2C 100 kHz 2 k x 8 WLCSP-4 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C16 Reel, Cut Tape
onsemi EEPROM 4-kb I2C CMOS Serial EEPROM Memory - Automotive Grade 4,516In Stock
Cut Tape
£0.285
£0.267
£0.26
£0.255
Reel
£0.237
Min.: 1
Mult.: 1
Max.: 500
: 5,000
4 kbit I2C 100 kHz 512 x 8 WLCSP-4 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C04 Reel, Cut Tape
onsemi EEPROM 16-kb IC CMOS Serial EEPROM Memory - Automotive Grade 5,000In Stock
Cut Tape
£0.188
£0.18
£0.175
£0.172
Reel
£0.16
Min.: 1
Mult.: 1
Max.: 500
: 5,000
16 kbit I2C 100 kHz 2 k x 8 WLCSP-5 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C16 Reel, Cut Tape
onsemi EEPROM 512KB I2C SER EEPROM 7,251In Stock
Cut Tape
£0.488
£0.462
£0.45
£0.44
Reel
£0.383
Min.: 1
Mult.: 1
Max.: 300
: 3,000
512 kbit I2C 1 MHz SOIC-8 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C CAT24C512 Reel, Cut Tape, MouseReel
onsemi EEPROM 1MB I2C SERIAL EEPROM 7,737In Stock
12,000On Order
Cut Tape
£0.653
£0.615
£0.599
£0.587
Reel
£0.512
Min.: 1
Mult.: 1
Max.: 300
: 3,000
1 Mbit I2C 1 MHz SOIC-8 1.7 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAT24M01LV Reel, Cut Tape, MouseReel
onsemi EEPROM 1MB I2C SERIAL EEPROM 40,653In Stock
Cut Tape
£1.04
£0.969
£0.943
£0.925
Reel
£0.811
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
1 Mbit 2-Wire, I2C 1 MHz 128 k x 8 UDFN-8 400 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C CAT24M01 Reel, Cut Tape, MouseReel
onsemi EEPROM 1MB I2C SERIAL EEPROM 1,612In Stock
Cut Tape
£1.26
£1.19
£1.15
£1.13
Reel
£0.986
Min.: 1
Mult.: 1
Max.: 2,000
: 2,000
1 Mbit 2-Wire, I2C 1 MHz 128 k x 8 SOIC-8 400 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C CAT24M01 Reel, Cut Tape, MouseReel
onsemi EEPROM 2KB I2C SER EEPROM 13,207In Stock
Cut Tape
£0.308
£0.292
£0.285
£0.279
Reel
£0.244
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
2 kbit 2-Wire, I2C 400 kHz 256 x 8 SOIC-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C02 AEC-Q100 Reel, Cut Tape, MouseReel
onsemi EEPROM 16KB I2C SER EEPROM 25,136In Stock
Cut Tape
£0.375
£0.354
£0.346
£0.339
Reel
£0.296
Min.: 1
Mult.: 1
: 3,000
16 kbit 2-Wire, I2C 400 kHz 2 k x 8 SOIC-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C16 AEC-Q100 Reel, Cut Tape, MouseReel

onsemi EEPROM 16KB I2C SER EEPROM 4,048In Stock
Cut Tape
£0.473
£0.448
£0.436
£0.426
Reel
£0.372
Min.: 1
Mult.: 1
: 3,000
16 kbit 2-Wire, I2C 400 kHz 16 k x 8 TSSOP-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C16 AEC-Q100 Reel, Cut Tape, MouseReel
onsemi EEPROM 512-kb I2C Serial EEPROM 13In Stock
3,000Expected 08/12/2026
Cut Tape
£0.766
£0.722
£0.703
£0.688
Reel
£0.652
Min.: 1
Mult.: 1
Max.: 300
: 3,000
512 kbit I2C 100 kHz 64 k x 8 UDFN-8 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAT24C512 Reel, Cut Tape, MouseReel
onsemi EEPROM 512KB I2C SER EEPROM 881In Stock
2,000Expected 30/11/2026
Cut Tape
£0.89
£0.834
£0.811
£0.796
Reel
£0.705
Min.: 1
Mult.: 1
Max.: 2,000
: 2,000
512 kbit 2-Wire, I2C 1 MHz 64 k x 8 SOIC-8 400 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C CAT24C512 Reel, Cut Tape, MouseReel

onsemi EEPROM 1MB I2C SERIAL EEPROM 24In Stock
3,000Expected 20/08/2027
Cut Tape
£1.08
£1.01
£0.995
£0.969
Reel
£0.849
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
1 Mbit 2-Wire, I2C 1 MHz 128 k x 8 TSSOP-8 400 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C CAT24M01 Reel, Cut Tape, MouseReel

onsemi EEPROM 1MB I2C SERIAL EEPROM 1,073In Stock
Cut Tape
£1.10
£1.03
£0.995
£0.978
Reel
£0.863
Min.: 1
Mult.: 1
: 3,000
1 Mbit 2-Wire, I2C 1 MHz 128 k x 8 TSSOP-8 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C CAT24M01 Reel, Cut Tape, MouseReel
onsemi EEPROM 4KB I2C SER EEPROM 3,455In Stock
Cut Tape
£0.353
£0.33
£0.322
£0.315
Reel
£0.276
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
4 kbit 2-Wire, I2C 400 kHz 512 x 8 SOIC-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C04 AEC-Q100 Reel, Cut Tape, MouseReel

onsemi EEPROM 4KB I2C SER EEPROM 2,424In Stock
Cut Tape
£0.443
£0.42
£0.409
£0.40
Reel
£0.349
Min.: 1
Mult.: 1
: 3,000
4 kbit 2-Wire, I2C 400 kHz 512 x 8 TSSOP-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C04 AEC-Q100 Reel, Cut Tape, MouseReel
onsemi EEPROM 8KB I2C SER EEPROM 2,443In Stock
3,000Expected 23/10/2026
Cut Tape
£0.361
£0.335
£0.327
£0.32
Reel
£0.28
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
8 kbit 2-Wire, I2C 400 kHz 1 k x 8 SOIC-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C08 AEC-Q100 Reel, Cut Tape, MouseReel
onsemi EEPROM 32KB I2C SER EEPROM 1,992In Stock
Cut Tape
£0.48
£0.458
£0.446
£0.437
Reel
£0.381
Min.: 1
Mult.: 1
: 3,000
32 kbit 2-Wire, I2C 400 kHz 4 k x 8 SOIC-8 900 ns 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C CAV24C32 AEC-Q100 Reel, Cut Tape, MouseReel
onsemi EEPROM 512KB I2C SER EEPROM
24,025On Order
Cut Tape
£0.503
£0.48
£0.468
£0.458
Reel
£0.40
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
512 kbit 2-Wire, I2C 1 MHz 64 k x 8 UDFN-8 400 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C CAT24C512 Reel, Cut Tape, MouseReel