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 111,636In Stock
Cut Tape
$1.66
$1.56
$1.51
$1.47
Reel
$1.13
Min.: 1
Mult.: 1
: 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 32KB I2C SER EEPROM 3,724In Stock
Cut Tape
$1.05
$0.986
$0.96
$0.94
Reel
$0.651
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 7,204In Stock
Cut Tape
$1.16
$1.09
$1.06
$1.04
Reel
$0.612
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 16,810In Stock
Cut Tape
$0.952
$0.889
$0.866
$0.847
Reel
$0.661
Min.: 1
Mult.: 1
: 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 16-kb IC CMOS Serial EEPROM Memory - Automotive Grade 9,670In Stock
Cut Tape
$0.571
$0.537
$0.524
$0.513
Reel
$0.449
Min.: 1
Mult.: 1
: 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
$0.517
$0.484
$0.472
$0.462
Reel
$0.404
Min.: 1
Mult.: 1
: 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
$0.34
$0.32
$0.311
$0.306
Reel
$0.262
Min.: 1
Mult.: 1
: 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 7,252In Stock
Cut Tape
$0.884
$0.836
$0.815
$0.797
Reel
$0.695
Min.: 1
Mult.: 1
: 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 7,700In Stock
12,000On Order
Cut Tape
$1.18
$1.12
$1.09
$1.06
Reel
$0.926
Min.: 1
Mult.: 1
: 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 38,516In Stock
Cut Tape
$1.17
$1.10
$1.07
$1.04
Reel
$0.911
Min.: 1
Mult.: 1
: 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 35,607In Stock
Cut Tape
$1.81
$1.74
$1.67
$1.59
Reel
$1.26
Min.: 1
Mult.: 1
: 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 1,610In Stock
Cut Tape
$2.15
$2.03
$1.97
$1.93
Reel
$1.66
Min.: 1
Mult.: 1
: 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 13,023In Stock
Cut Tape
$0.517
$0.484
$0.472
$0.465
Reel
$0.405
Min.: 1
Mult.: 1
: 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 8KB I2C SER EEPROM 5,429In Stock
Cut Tape
$0.653
$0.608
$0.593
$0.581
Reel
$0.507
Min.: 1
Mult.: 1
: 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 16KB I2C SER EEPROM 25,136In Stock
Cut Tape
$0.666
$0.612
$0.597
$0.585
Reel
$0.52
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
$0.87
$0.812
$0.79
$0.774
Reel
$0.673
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 512KB I2C SER EEPROM 878In Stock
2,000Expected 20/11/2026
Cut Tape
$1.63
$1.52
$1.48
$1.46
Reel
$0.99
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 672In Stock
3,000Expected 18/6/2027
Cut Tape
$1.97
$1.85
$1.81
$1.77
Reel
$1.54
Min.: 1
Mult.: 1
: 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 72In Stock
3,000Expected 2/7/2027
Cut Tape
$0.748
$0.706
$0.687
$0.673
Reel
$0.487
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 3,427In Stock
Cut Tape
$0.653
$0.60
$0.585
$0.573
Reel
$0.454
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 2,421In Stock
Cut Tape
$0.734
$0.696
$0.68
$0.666
Reel
$0.582
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 32KB I2C SER EEPROM 1,996In Stock
Cut Tape
$0.802
$0.753
$0.736
$0.722
$0.71
Reel
$0.69
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 1MB I2C SERIAL EEPROM 1,073In Stock
Cut Tape
$1.99
$1.86
$1.81
$1.77
Reel
$1.56
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 512-kb I2C Serial EEPROM
2,496Expected 23/11/2026
Cut Tape
$1.44
$1.31
$1.27
$1.25
Reel
$1.08
Min.: 1
Mult.: 1
: 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
23,845On Order
Cut Tape
$0.925
$0.872
$0.849
$0.831
Reel
$0.632
Min.: 1
Mult.: 1
: 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