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B4 EEPROM

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Part #

EEPROM 1024K 128K X 8 1.8V

24AA1025T-I/SN
Microchip Technology
1: $5.51
4,527In Stock

Mfr. Part No.
24AA1025T-I/SN

Mouser Part No
579-24AA1025T-I/SN

Microchip Technology

EEPROM 1024K 128K X 8 1.8V

Learn More

Datasheet

4,527In Stock

Cut Tape

$5.51

Reel

$5.51

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

1 Mbit

2-Wire, I2C

400 kHz

128 k x 8

SOIC-8

900 ns

1.7 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID

24AA256UID-I/SN
Microchip Technology
1: $1.50
20,103In Stock

Mfr. Part No.
24AA256UID-I/SN

Mouser Part No
579-24AA256UID-I/SN

Microchip Technology

EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID

Datasheet

20,103In Stock

$1.50

$1.47

$1.46

Min.: 1
Mult.: 1

256 kbit

2-Wire, I2C

400 kHz

32 k x 8

SOIC-8

900 ns

1.7 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

24AA256

Tube

EEPROM 512K, 64K X 8, 1.8V SER EE, IND

24AA512-I/SN
Microchip Technology
1: $2.46
9,692In Stock
7,700Expected 19/10/2026

Mfr. Part No.
24AA512-I/SN

Mouser Part No
579-24AA512-I/SN

Microchip Technology

EEPROM 512K, 64K X 8, 1.8V SER EE, IND

Datasheet

9,692In Stock

7,700Expected 19/10/2026

$2.46

Min.: 1
Mult.: 1

512 kbit

2-Wire, I2C

400 kHz

64 k x 8

SOIC-8

900 ns

1.7 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Tube

EEPROM 64K 8KX8 1.8V SER EE IND

24AA64T-I/MC
Microchip Technology
1: $0.884
29,962In Stock

Mfr. Part No.
24AA64T-I/MC

Mouser Part No
579-24AA64T-I/MC

Microchip Technology

EEPROM 64K 8KX8 1.8V SER EE IND

Datasheet

29,962In Stock

Cut Tape

$0.884

$0.883

Reel

$0.883

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

64 kbit

2-Wire, I2C

400 kHz

8 k x 8

DFN-8

900 ns

1.7 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

24AA64

Reel, Cut Tape, MouseReel

EEPROM 128 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp

24CW1280T-I/OT
Microchip Technology
1: $0.898
32,734In Stock

Mfr. Part No.
24CW1280T-I/OT

Mouser Part No
579-24CW1280T-I/OT

Microchip Technology

EEPROM 128 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp

Learn More

Datasheet

32,734In Stock

Cut Tape

$0.898

$0.883

$0.869

$0.86

Reel

$0.819

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

EEPROM 1024K 128K X 8 1.8V 2.5V HI-SPD

24FC1025T-I/SN
Microchip Technology
1: $1.59
14,094In Stock

Mfr. Part No.
24FC1025T-I/SN

Mouser Part No
579-24FC1025T-I/SN

Microchip Technology

EEPROM 1024K 128K X 8 1.8V 2.5V HI-SPD

Learn More

Datasheet

14,094In Stock

Cut Tape

$1.59

Reel

$1.59

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

1 Mbit

2-Wire, I2C

1 MHz

128 k x 8

SOIC-8

400 ns

1.8 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

EEPROM 256K 32KX8 2.5V HI- SP SER EE IND

24FC256T-I/MF
Microchip Technology
1: $1.96
3,075In Stock

Mfr. Part No.
24FC256T-I/MF

Mouser Part No
579-24FC256T-I/MF

Microchip Technology

EEPROM 256K 32KX8 2.5V HI- SP SER EE IND

Datasheet

3,075In Stock

Cut Tape

$1.96

Reel

$1.96

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

256 kbit

2-Wire, I2C

1 MHz

32 k x 8

DFN-8

400 ns

1.8 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

24AA256

Reel, Cut Tape, MouseReel

EEPROM 1024K 128K X 8 2.5V

24LC1025T-I/SN
Microchip Technology
1: $5.51
12,388In Stock

Mfr. Part No.
24LC1025T-I/SN

Mouser Part No
579-24LC1025T-I/SN

Microchip Technology

EEPROM 1024K 128K X 8 2.5V

Learn More

Datasheet

12,388In Stock

Cut Tape

$5.51

Reel

$5.51

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

1 Mbit

2-Wire, I2C

400 kHz

128 k x 8

SOIC-8

900 ns

2.5 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

EEPROM 32kx8 - 2.5V

24LC256T-I/SN
Microchip Technology
1: $1.52
25,778In Stock

Mfr. Part No.
24LC256T-I/SN

Mouser Part No
579-24LC256T-I/SN

Microchip Technology

EEPROM 32kx8 - 2.5V

Datasheet

25,778In Stock

Cut Tape

$1.52

$1.51

$1.50

Reel

$1.41

$1.40

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

256 kbit

2-Wire, I2C

400 kHz

32 k x 8

SOIC-8

900 ns

2.5 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

24AA256

Reel, Cut Tape, MouseReel

EEPROM 32K 4K X 8 2.5V SER EE IND

24LC32AT-I/OT
Microchip Technology
1: $0.598
59,178In Stock

Mfr. Part No.
24LC32AT-I/OT

Mouser Part No
579-24LC32AT-I/OT

Microchip Technology

EEPROM 32K 4K X 8 2.5V SER EE IND

Datasheet

59,178In Stock

Cut Tape

$0.598

$0.594

$0.592

$0.558

Reel

$0.558

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

32 kbit

2-Wire, I2C

400 kHz

4 k x 8

SOT-23-5

900 ns

2.5 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

EEPROM 512K 64K X 8 2.5V SER EE EXT

24LC512-E/SN
Microchip Technology
1: $2.60
10,780In Stock

Mfr. Part No.
24LC512-E/SN

Mouser Part No
579-24LC512-E/SN

Microchip Technology

EEPROM 512K 64K X 8 2.5V SER EE EXT

Datasheet

10,780In Stock

$2.60

Min.: 1
Mult.: 1

512 kbit

2-Wire, I2C

400 kHz

64 k x 8

SOIC-8

900 ns

2.5 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 125 C

24LC512

Tube

EEPROM 64kx8 - 2.5V

24LC512T-E/SM
Microchip Technology
1: $2.73
11,495In Stock

Mfr. Part No.
24LC512T-E/SM

Mouser Part No
579-24LC512T-E/SM

Microchip Technology

EEPROM 64kx8 - 2.5V

Datasheet

11,495In Stock

Cut Tape

$2.73

$2.54

$2.53

Reel

$2.53

$2.52

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

512 kbit

2-Wire, I2C

400 kHz

64 k x 8

SOIJ-8

900 ns

2.5 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

EEPROM 2K, 256x8, 1.8V MAC Addressable

25AA02E48T-I/OT
Microchip Technology
1: $0.734
33,397In Stock

Mfr. Part No.
25AA02E48T-I/OT

Mouser Part No
579-25AA02E48T-I/OT

Microchip Technology

EEPROM 2K, 256x8, 1.8V MAC Addressable

Learn More

Datasheet

33,397In Stock

Cut Tape

$0.734

$0.724

$0.713

$0.71

Reel

$0.685

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

2 kbit

SPI

10 MHz

256 x 8

SOT-23-6

50 ns

1.8 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

EEPROM 128kx8 - 1.8V

25AA1024T-I/MF
Microchip Technology
1: $6.11
3,998In Stock
6,600Expected 11/1/2027

Mfr. Part No.
25AA1024T-I/MF

Mouser Part No
579-25AA1024T-I/MF

Microchip Technology

EEPROM 128kx8 - 1.8V

Datasheet

3,998In Stock

6,600Expected 11/1/2027

Cut Tape

$6.11

Reel

$6.11

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

1 Mbit

SPI

20 MHz

128 k x 8

DFN-8

25 ns

1.8 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

EEPROM 4K 512X8 2.5V SER EE IND

25LC040AT-I/OT
Microchip Technology
1: $0.734
42,907In Stock

Mfr. Part No.
25LC040AT-I/OT

Mouser Part No
579-25LC040AT-I/OT

Microchip Technology

EEPROM 4K 512X8 2.5V SER EE IND

Datasheet

42,907In Stock

Cut Tape

$0.734

$0.724

Reel

$0.724

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

4 kbit

SPI

5 MHz

512 x 8

SOT-23-6

100 ns

2.5 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

EEPROM 256kb I2C Serial CMOS EEPROM

CAT24C256WI-GT3
onsemi
1: $0.993
220,709In Stock

Mfr. Part No.
CAT24C256WI-GT3

Mouser Part No
698-CAT24C256WI-GT3

onsemi

EEPROM 256kb I2C Serial CMOS EEPROM

Datasheet

220,709In Stock

Cut Tape

$0.993

$0.938

$0.914

$0.877

View

Reel

$0.767

MouseReel Available

Min.: 1
Mult.: 1
Max.: 530

: 3,000

256 kbit

2-Wire, I2C

1 MHz

32 k x 8

SOIC-8

500 ns

1.8 V

5.5 V

SMD/SMT

100 Year

- 40 C

+ 85 C

CAT24C256

Reel, Cut Tape, MouseReel

EEPROM 256K SPI Serial CMOS EEPROM

CAT25256YI-GT3
onsemi
1: $1.41
26,034In Stock

Mfr. Part No.
CAT25256YI-GT3

Mouser Part No
698-CAT25256YI-GT3

onsemi

EEPROM 256K SPI Serial CMOS EEPROM

Learn More

Datasheet

26,034In Stock

Cut Tape

$1.41

$1.33

$1.29

$1.27

View

Reel

$0.88

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,000

: 3,000

256 kbit

3-Wire, SPI

20 MHz

32 k x 8

TSSOP-8

75 ns

1.8 V

5.5 V

SMD/SMT

100 Year

- 40 C

+ 85 C

CAT25256

Reel, Cut Tape, MouseReel

EEPROM 256-Bit 1-Wire EEPROM

DS2430A+T&R
Analog Devices / Maxim Integrated
1: $6.60
5,425In Stock

Mfr. Part No.
DS2430A+T&R

Mouser Part No
700-DS2430AT&R

Analog Devices / Maxim Integrated

EEPROM 256-Bit 1-Wire EEPROM

Datasheet

5,425In Stock

Cut Tape

$6.60

$6.15

$5.97

$5.83

View

Reel

$4.08

Min.: 1
Mult.: 1

: 2,000

256 bit

1-Wire

32 x 8

TO-92-3

2.8 V

5.25 V

Through Hole

40 Year

- 40 C

+ 85 C

DS2430A

Reel, Cut Tape

EEPROM 1024-Bit 1-Wire EEPROM

DS2431+
Analog Devices / Maxim Integrated
1: $3.86
21,256In Stock

Mfr. Part No.
DS2431+

Mouser Part No
700-DS2431

Analog Devices / Maxim Integrated

EEPROM 1024-Bit 1-Wire EEPROM

Learn More

Datasheet

21,256In Stock

$3.86

$3.60

$3.51

$3.43

View

Min.: 1
Mult.: 1
Max.: 4,000

1 kbit

1-Wire

256 x 4

TO-92-3

2.8 V

5.25 V

Through Hole

40 Year

- 40 C

+ 85 C

DS2431

Bulk

EEPROM 1024-Bit 1-Wire EEPROM

DS2431G+T&R
Analog Devices / Maxim Integrated
1: $4.45
7,498In Stock
10,000Expected 14/9/2026

Mfr. Part No.
DS2431G+T&R

Mouser Part No
700-DS2431GT&R

Analog Devices / Maxim Integrated

EEPROM 1024-Bit 1-Wire EEPROM

Learn More

Datasheet

7,498In Stock

10,000Expected 14/9/2026

Cut Tape

$4.45

$4.16

$4.04

$3.94

View

Reel

$2.73

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

1 kbit

1-Wire

256 x 4

SFN-2

2.8 V

5.25 V

SMD/SMT

40 Year

- 40 C

+ 85 C

DS2431G

Reel, Cut Tape, MouseReel

EEPROM 1024-Bit, 1-Wire EEPROM for Automotive A

DS2431P-A1+T
Analog Devices / Maxim Integrated
1: $8.27
6,447In Stock

Mfr. Part No.
DS2431P-A1+T

Mouser Part No
700-DS2431P-A1T

Analog Devices / Maxim Integrated

EEPROM 1024-Bit, 1-Wire EEPROM for Automotive A

Learn More

Datasheet

6,447In Stock

Cut Tape

$8.27

$7.71

$7.48

$7.30

View

Reel

$5.97

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

1 kbit

1-Wire

256 x 4

TSOC-6

4.5 V

5.25 V

SMD/SMT

40 Year

- 40 C

+ 125 C

DS2431P

Reel, Cut Tape, MouseReel

EEPROM 1024-Bit 1-Wire EEPROM

DS2431Q+T&R
Analog Devices / Maxim Integrated
1: $5.40
9,191In Stock

Mfr. Part No.
DS2431Q+T&R

Mouser Part No
700-DS2431QT&R

Analog Devices / Maxim Integrated

EEPROM 1024-Bit 1-Wire EEPROM

Learn More

Datasheet

9,191In Stock

Cut Tape

$5.40

$5.05

$4.90

$4.79

View

Reel

$3.32

MouseReel Available

Min.: 1
Mult.: 1
Max.: 2,500

: 2,500

1 kbit

1-Wire

256 x 4

TDFN-6

2.8 V

5.25 V

SMD/SMT

40 Year

- 40 C

+ 85 C

DS2431Q

Reel, Cut Tape, MouseReel

EEPROM 1024-Bit 1-Wire EEPROM

DS2431X-S+
Analog Devices / Maxim Integrated
1: $4.00
44,375In Stock

Mfr. Part No.
DS2431X-S+

Mouser Part No
700-DS2431X-S

Analog Devices / Maxim Integrated

EEPROM 1024-Bit 1-Wire EEPROM

Learn More

Datasheet

44,375In Stock

Cut Tape

$4.00

$3.74

$3.63

$3.55

View

Reel

$2.46

MouseReel Available

Min.: 1
Mult.: 1
Max.: 5,000

: 2,500

1 kbit

1-Wire

256 x 4

UCSP-6

2.8 V

5.25 V

SMD/SMT

40 Year

- 40 C

+ 85 C

DS2431X

Reel, Cut Tape, MouseReel

EEPROM 1Kb Protected 1-Wire EEPROM with SHA-1 E

DS28E01P-100+
Analog Devices / Maxim Integrated
1: $4.80
7,677In Stock

Mfr. Part No.
DS28E01P-100+

Mouser Part No
700-DS28E01P-100+

Analog Devices / Maxim Integrated

EEPROM 1Kb Protected 1-Wire EEPROM with SHA-1 E

Datasheet

7,677In Stock

$4.80

$4.49

$4.35

$4.26

View

Min.: 1
Mult.: 1

1 kbit

1-Wire

256 x 4

TSOC-6

2.8 V

5.25 V

SMD/SMT

40 Year

- 40 C

+ 85 C

DS28E01P

Tube

EEPROM 1Kb Protected 1-Wire EEPROM with SHA-1 E

DS28E01P-100+T
Analog Devices / Maxim Integrated
1: $4.91
8,040In Stock

Mfr. Part No.
DS28E01P-100+T

Mouser Part No
700-DS28E01P-100+T

Analog Devices / Maxim Integrated

EEPROM 1Kb Protected 1-Wire EEPROM with SHA-1 E

Datasheet

8,040In Stock

Cut Tape

$4.91

$4.58

$4.45

$4.34

View

Reel

$2.90

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

1 kbit

1-Wire

256 x 4

TSOC-6

2.8 V

5.25 V

SMD/SMT

40 Year

- 40 C

+ 85 C

DS28E01P

Reel, Cut Tape, MouseReel

B4 EEPROM

Customer Service Office

Company

Resources

Support

64 bit
128 bit
256 bit
512 bit
896 bit
1 kbit
2 kb
2 kbit
4 kbit
8 Kbit
8 kb
8 kbit
11 kbit
16 Kbit
16 kbit
20 kbit
32 kb
32 kbit
46 kbit
64 kbit

16 x 8
32 x 8
64 x 16
64 x 8
128 x 16
128 x 32
128 x 7
128 x 8
128 x 8/64 x 16
256 x 16
256 x 2
256 x 4
256 x 8
256 x 8/128 x 16
256 x 80
512 x 16
512 x 8
512 x 8/256 x 16
1 k x 16
1 K x 8

CDIP-28
CDIP-32
CLCC-32
CSP-4
CSP-8
DFN-8
DFN-S-8
DIP-28
DIP-8
FlatPack-28
FlatPack-32
LCC-32
MLP-8
MSOP-8
PDIP-28
PDIP-8
PGA-28
PGA-30
PLCC-32
SC-70-5

10 ns
11 ns
20 ns
25 ns
35 ns
40 ns
45 ns
50 ns
60 ns
70 ns
75 ns
80 ns
90 ns
100 ns
120 ns
150 ns
160 ns
200 ns
250 ns
300 ns

1 V
1.4 V
1.5 V
1.6 V
1.6 V, 1.7 V
1.65 V
1.7 V
1.71 V
1.8 V
2.2 V
2.5 V
2.65 V
2.7 V
2.8 V
2.9 V
2.97 V
3 V
3.135 V
4 V
4.5 V

11AA010
11AA020
11AA02E48
11AA02E64
11AA02UID
11AA040
11AA080
11AA160
11LC010
11LC020
11LC040
11LC080
11LC160
11LC161
24AA01
24AA02
24AA025
24AA04
24AA04H
24AA1025