24CW I2C Serial EEPROMs

Microchip Technology 24CW I2C Serial EEPROMs are high-speed, highly-reliable, low-power devices in 16Kb, 32Kb, 64Kb, and 128Kb densities. The 24CW series is optimized for consumer and industrial applications, where reliable nonvolatile memory storage is essential. The 24CW series allows up to eight devices to share a common I2C bus and can operate across a broad voltage range (1.6V to 5.5V).

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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
Packaging
Microchip Technology EEPROM 16 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
203,132In Stock
Cut Tape
$0.547
$0.501
Reel
$0.48
MouseReel Available
Min.: 1
Mult.: 1
: 3,000
16 kbit 2-Wire, I2C 1 MHz 2 k x 8 SOT-23-5 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW160 Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 32 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
227,687In Stock
Cut Tape
$0.59
$0.58
$0.575
Reel
$0.54
MouseReel Available
Min.: 1
Mult.: 1
: 3,000
32 kbit 2-Wire, I2C 1 MHz 4 k x 8 SOT-23-5 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW320 Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 32 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
4,581In Stock
Cut Tape
$0.533
$0.53
$0.516
Reel
$0.472
Min.: 1
Mult.: 1
: 3,300
32 kbit 2-Wire, I2C 1 MHz 4 k x 8 SOIC-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW320 Reel, Cut Tape
Microchip Technology EEPROM 128 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
1,307In Stock
Cut Tape
$0.994
$0.992
$0.932
Reel
$0.86
Min.: 1
Mult.: 1
: 2,500
128 kbit 2-Wire, I2C 1 MHz 16 k x 8 TSSOP-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW1280 Reel, Cut Tape
Microchip Technology EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
4,783In Stock
Cut Tape
$0.691
$0.661
Reel
$0.629
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
64 kbit I2C 1 MHz 8 k x 8 UDFN-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 128 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
29,489In Stock
Cut Tape
$0.95
$0.948
Reel
$0.86
MouseReel Available
Min.: 1
Mult.: 1
: 3,000
128 kbit 2-Wire, I2C 1 MHz 16 k x 8 SOT-23-5 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW1280 Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 128 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
1,748In Stock
Cut Tape
$2.26
Reel
$2.06
MouseReel Available
Min.: 1
Mult.: 1
: 3,300
128 kbit 2-Wire, I2C 1 MHz 16 k x 8 UDFN-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW1280 Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
8,167In Stock
Cut Tape
$0.778
$0.772
Reel
$0.706
MouseReel Available
Min.: 1
Mult.: 1
: 3,000
64 kbit 2-Wire, I2C 1 MHz 8 k x 8 SOT-23-5 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW640 Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 16 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
3,246In Stock
Cut Tape
$0.49
$0.485
Reel
$0.415
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
16 kbit I2C 1 MHz 2 k x 8 UDFN-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 32 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
2,721In Stock
Cut Tape
$0.547
$0.537
$0.53
Reel
$0.507
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
32 kbit I2C 1 MHz 4 k x 8 UDFN-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 16 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
395In Stock
$0.461
$0.445
$0.415
Min.: 1
Mult.: 1
16 kbit 2-Wire, I2C 1 MHz 2 k x 8 SOIC-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW160 Tube
Microchip Technology EEPROM 16 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
523In Stock
$0.518
$0.507
$0.461
$0.445
Min.: 1
Mult.: 1
16 kbit 2-Wire, I2C 1 MHz 2 k x 8 TSSOP-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW160 Tube
Microchip Technology EEPROM 16 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
1,898In Stock
Cut Tape
$0.49
$0.485
Reel
$0.415
Min.: 1
Mult.: 1
: 3,300
16 kbit 2-Wire, I2C 1 MHz 2 k x 8 SOIC-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW160 Reel, Cut Tape
Microchip Technology EEPROM 32 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
1,080In Stock
$0.547
$0.537
$0.523
$0.507
Min.: 1
Mult.: 1
32 kbit 2-Wire, I2C 1 MHz 4 k x 8 SOIC-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW320 Tube
Microchip Technology EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
476In Stock
$0.691
$0.66
$0.629
Min.: 1
Mult.: 1
64 kbit 2-Wire, I2C 1 MHz 8 k x 8 SOIC-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW640 Tube
Microchip Technology EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
300In Stock
800On Order
$0.706
$0.691
$0.645
Min.: 1
Mult.: 1
64 kbit 2-Wire, I2C 1 MHz 8 k x 8 TSSOP-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW640 Tube
Microchip Technology EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
764In Stock
Cut Tape
$1.90
$1.86
Reel
$1.84
Quote
Min.: 1
Mult.: 1
: 3,300
64 kbit 2-Wire, I2C 1 MHz 8 k x 8 UDFN-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW640 Reel, Cut Tape
Microchip Technology EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
2,914In Stock
Cut Tape
$0.691
$0.661
Reel
$0.629
MouseReel Available
Min.: 1
Mult.: 1
: 3,300
64 kbit 2-Wire, I2C 1 MHz 8 k x 8 SOIC-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW640 Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
1,956In Stock
Cut Tape
$0.734
$0.727
Reel
$0.645
Min.: 1
Mult.: 1
: 2,500
64 kbit 2-Wire, I2C 1 MHz 8 k x 8 TSSOP-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW640 Reel, Cut Tape
Microchip Technology EEPROM 128 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
114In Stock
$0.907
$0.906
$0.86
$0.829
Min.: 1
Mult.: 1
128 kbit 2-Wire, I2C 1 MHz 16 k x 8 SOIC-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW1280 Tube
Microchip Technology EEPROM 128 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
165In Stock
3,300Expected 2026-12-25
Cut Tape
$0.936
$0.926
Reel
$0.829
MouseReel Available
Min.: 1
Mult.: 1
: 3,300
128 kbit 2-Wire, I2C 1 MHz 16 k x 8 SOIC-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW1280 Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 16 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
134In Stock
Cut Tape
$1.70
Reel
$1.44
Min.: 1
Mult.: 1
: 3,300
16 kbit 2-Wire, I2C 1 MHz 2 k x 8 UDFN-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW160 Reel, Cut Tape
Microchip Technology EEPROM 128 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
2In Stock
$0.936
$0.906
$0.86
Min.: 1
Mult.: 1
128 kbit 2-Wire, I2C 1 MHz 16 k x 8 TSSOP-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW1280 Tube
Microchip Technology EEPROM 16 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
Non-Stocked Lead-Time 10 Weeks
Cut Tape
$0.518
$0.507
Reel
$0.445
Min.: 1
Mult.: 1
: 2,500
16 kbit I2C 1 MHz 2 k x 8 TSSOP-8 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW160 Reel, Cut Tape
Microchip Technology EEPROM 32 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp
Datasheet
Non-Stocked Lead-Time 10 Weeks
$0.562
$0.553
$0.537
$0.523
Min.: 1
Mult.: 1
32 kbit 2-Wire, I2C 1 MHz 4 k x 8 TSSOP-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 24CW320 Tube