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 (CAD) 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 109,633In Stock
Cut Tape
$1.84
$1.73
$1.68
$1.66
Reel
$1.44
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
$1.25
$1.16
$1.13
$1.10
Reel
$0.753
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
$1.11
$1.04
$1.02
$0.994
Reel
$0.701
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 16,863In Stock
Cut Tape
$1.01
$0.95
$0.926
$0.906
Reel
$0.636
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 1,286In Stock
Cut Tape
$0.778
$0.746
$0.726
$0.711
Reel
$0.462
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
$0.605
$0.569
$0.554
$0.543
Reel
$0.505
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
$0.547
$0.513
$0.50
$0.49
Reel
$0.455
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
$0.36
$0.344
$0.336
$0.33
Reel
$0.307
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
$0.936
$0.886
$0.863
$0.844
Reel
$0.736
Min.: 1
Mult.: 1
Max.: 3,000
: 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
$1.25
$1.18
$1.15
$1.12
Reel
$0.981
Min.: 1
Mult.: 1
Max.: 3,000
: 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 512KB I2C SER EEPROM 43,678In Stock
Cut Tape
$1.21
$1.16
$1.13
$1.07
Reel
$0.929
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 40,346In Stock
Cut Tape
$1.99
$1.86
$1.81
$1.77
Reel
$1.56
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 2KB I2C SER EEPROM 13,173In Stock
Cut Tape
$0.59
$0.562
$0.547
$0.536
Reel
$0.468
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
$0.72
$0.68
$0.662
$0.649
Reel
$0.567
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
$0.907
$0.858
$0.835
$0.818
Reel
$0.713
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 7In Stock
3,000Expected 2026-12-08
Cut Tape
$1.47
$1.39
$1.35
$1.32
Reel
$1.25
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 2026-11-30
Cut Tape
$1.71
$1.60
$1.56
$1.53
Reel
$1.35
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 1,386In Stock
Cut Tape
$2.42
$2.28
$2.20
$2.16
Reel
$1.89
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 795In Stock
3,000Expected 2027-08-20
Cut Tape
$2.07
$1.94
$1.90
$1.86
Reel
$1.63
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
$2.10
$1.97
$1.92
$1.87
Reel
$1.66
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 3,453In Stock
Cut Tape
$0.677
$0.634
$0.618
$0.605
Reel
$0.528
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
$0.85
$0.805
$0.785
$0.768
Reel
$0.67
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
3,000On Order
Cut Tape
$0.691
$0.644
$0.628
$0.615
Reel
$0.537
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
$0.922
$0.878
$0.855
$0.837
Reel
$0.73
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
$0.965
$0.922
$0.897
$0.878
Reel
$0.766
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