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 (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Memory Size Interface Type Maximum Clock Frequency Organization 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 1MB I2C SERIAL EEPROM 109,934In Stock
Cut Tape
$1.28
$1.20
$1.17
$1.15
Reel
$1.00
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 512KB I2C SER EEPROM 49,081In Stock
Cut Tape
$0.84
$0.807
$0.785
$0.742
Reel
$0.645
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 64KB I2C SER EEPROM 7,210In Stock
Cut Tape
$0.87
$0.805
$0.783
$0.767
Reel
$0.523
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
$0.77
$0.725
$0.705
$0.69
Reel
$0.487
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 16,814In Stock
Cut Tape
$0.70
$0.66
$0.643
$0.629
Reel
$0.442
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
$0.54
$0.518
$0.504
$0.494
Reel
$0.358
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
$0.42
$0.395
$0.385
$0.377
Reel
$0.351
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
$0.38
$0.356
$0.347
$0.34
Reel
$0.316
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
$0.25
$0.239
$0.233
$0.229
Reel
$0.213
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 7,204In Stock
Cut Tape
$0.65
$0.615
$0.599
$0.586
Reel
$0.557
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
$0.87
$0.82
$0.798
$0.781
Reel
$0.741
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 43,422In Stock
Cut Tape
$1.38
$1.29
$1.26
$1.23
Reel
$1.08
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
$1.68
$1.58
$1.53
$1.50
Reel
$1.31
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 13,206In Stock
Cut Tape
$0.41
$0.39
$0.38
$0.372
Reel
$0.325
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
$0.50
$0.472
$0.46
$0.451
Reel
$0.394
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 4,131In Stock
Cut Tape
$0.63
$0.596
$0.58
$0.568
Reel
$0.495
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 12/15/2026
Cut Tape
$1.02
$0.962
$0.936
$0.916
Reel
$0.869
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 1,095In Stock
2,000Expected 12/7/2026
Cut Tape
$1.19
$1.11
$1.08
$1.06
Reel
$0.939
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 172In Stock
3,000Expected 8/27/2027
Cut Tape
$1.44
$1.35
$1.32
$1.29
Reel
$1.13
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
$1.46
$1.37
$1.33
$1.30
Reel
$1.15
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
$0.47
$0.44
$0.429
$0.42
Reel
$0.367
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
$0.59
$0.559
$0.545
$0.533
Reel
$0.465
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 2,472In Stock
3,000Expected 10/23/2026
Cut Tape
$0.48
$0.447
$0.436
$0.427
Reel
$0.373
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 2,009In Stock
Cut Tape
$0.64
$0.61
$0.594
$0.581
Reel
$0.507
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
$0.67
$0.64
$0.623
$0.61
Reel
$0.532
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