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 (SGD) 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 1MB I2C SERIAL EEPROM 99,305In Stock
12,000On Order
Cut Tape
$1.55
$1.50
$1.46
$1.41
Reel
$1.04
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 52,535In Stock
Cut Tape
$1.09
$1.03
$1.01
$0.951
Reel
$0.69
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 32KB I2C SER EEPROM 3,720In Stock
Cut Tape
$0.966
$0.919
$0.904
$0.892
Reel
$0.623
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 7,288In Stock
Cut Tape
$1.10
$1.04
$1.01
$0.99
Reel
$0.685
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 64KB I2C SER EEPROM 17,118In Stock
Cut Tape
$0.898
$0.849
$0.827
$0.809
Reel
$0.563
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 512KB I2C SER EEPROM 4,560In Stock
3,000Expected 22/9/2026
Cut Tape
$0.83
$0.797
$0.775
$0.76
Reel
$0.704
Min.: 1
Mult.: 1
Max.: 814
: 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 7,800In Stock
3,000Expected 29/12/2026
Cut Tape
$1.13
$1.06
$1.03
$1.01
Reel
$0.934
Min.: 1
Mult.: 1
Max.: 916
: 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 16-kb IC CMOS Serial EEPROM Memory - Automotive Grade 9,670In Stock
Cut Tape
$0.544
$0.513
$0.499
$0.49
Reel
$0.454
Min.: 1
Mult.: 1
Max.: 967
: 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 4,566In Stock
Cut Tape
$0.462
$0.439
$0.43
$0.42
Reel
$0.40
Min.: 1
Mult.: 1
Max.: 487
: 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
$0.326
$0.305
$0.298
$0.291
Reel
$0.272
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 1MB I2C SERIAL EEPROM 43,773In Stock
Cut Tape
$1.75
$1.69
$1.59
$1.54
Reel
$1.10
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 512KB I2C SER EEPROM 2,913In Stock
15,000On Order
Cut Tape
$1.26
$1.18
$1.15
$1.01
Reel
$0.782
Min.: 1
Mult.: 1
Max.: 3,000
: 3,000
512 kbit 2-Wire, I2C 1 MHz 64 k x 8 TSSOP-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 1,612In Stock
Cut Tape
$2.18
$2.04
$1.99
$1.94
Reel
$1.70
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 1MB I2C SERIAL EEPROM 4,232In Stock
Cut Tape
$1.88
$1.75
$1.69
$1.66
Reel
$1.16
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 2KB I2C SER EEPROM 13,277In Stock
Cut Tape
$0.53
$0.506
$0.494
$0.483
Reel
$0.337
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 25,327In Stock
Cut Tape
$0.639
$0.596
$0.581
$0.57
Reel
$0.404
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 4,631In Stock
Cut Tape
$0.816
$0.771
$0.751
$0.736
Reel
$0.642
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 71In Stock
3,000Expected 8/12/2026
Cut Tape
$1.33
$1.26
$1.23
$1.20
Reel
$1.14
Min.: 1
Mult.: 1
Max.: 310
: 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 1,346In Stock
Cut Tape
$1.54
$1.46
$1.41
$1.37
Reel
$0.934
Min.: 1
Mult.: 1
: 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 1,067In Stock
Cut Tape
$1.89
$1.78
$1.73
$1.70
Reel
$1.17
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 2KB I2C SER EEPROM 4,396In Stock
Cut Tape
$0.721
$0.672
$0.654
$0.641
Reel
$0.536
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 4KB I2C SER EEPROM 3,598In Stock
Cut Tape
$0.598
$0.568
$0.555
$0.543
Reel
$0.378
Min.: 1
Mult.: 1
: 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 2,287In Stock
Cut Tape
$0.775
$0.719
$0.70
$0.687
Reel
$0.481
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 3,477In Stock
Cut Tape
$0.612
$0.579
$0.564
$0.554
Reel
$0.483
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 2,782In Stock
Cut Tape
$0.843
$0.792
$0.771
$0.755
Reel
$0.657
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