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256 kbit EEPROM

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Memory Size = 256 kbit

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Part #

EEPROM 256kb I2C Serial CMOS EEPROM

CAT24C256WI-GT3
onsemi
1: $0.70
240,168In Stock

Mfr. Part No.
CAT24C256WI-GT3

Mouser Part No
698-CAT24C256WI-GT3

onsemi

EEPROM 256kb I2C Serial CMOS EEPROM

Datasheet

240,168In Stock

Cut Tape

$0.70

$0.663

$0.646

$0.633

View

Reel

$0.552

MouseReel Available

Min.: 1
Mult.: 1

: 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 256KB I2C SER EEPROM

CAV24C256WE-GT3
onsemi
1: $0.71
41,031In Stock

Mfr. Part No.
CAV24C256WE-GT3

Mouser Part No
863-CAV24C256WE-GT3

onsemi

EEPROM 256KB I2C SER EEPROM

Datasheet

41,031In Stock

Cut Tape

$0.71

$0.666

$0.649

$0.635

View

Reel

$0.53

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

256 kbit

2-Wire, I2C

1 MHz

32 k x 8

SOIC-8

400 ns

2.5 V

5.5 V

SMD/SMT

100 Year

- 40 C

+ 125 C

CAV24C256

AEC-Q100

Reel, Cut Tape, MouseReel

EEPROM 256K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOT-23

24CS256T-E/OT
Microchip Technology
1: $0.56
2,383In Stock

Mfr. Part No.
24CS256T-E/OT

Mouser Part No
494-24CS256T-E/OT

Microchip Technology

EEPROM 256K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOT-23

Datasheet

2,383In Stock

Cut Tape

$0.56

$0.553

Reel

$0.553

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

256 kbit

I2C

3.4 MHz

32 k x 8

SOT-23-5

400 ns

1.7 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

EEPROM 256-Kbit serial I2C bus EEPROM with configurable device address

M24256E-FDW6TP
STMicroelectronics
1: $0.35
4,868In Stock

Mfr. Part No.
M24256E-FDW6TP

Mouser Part No
511-M24256E-FDW6TP

STMicroelectronics

EEPROM 256-Kbit serial I2C bus EEPROM with configurable device address

Learn More

Datasheet

4,868In Stock

Cut Tape

$0.35

$0.33

$0.322

$0.316

View

Reel

$0.279

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

256 kbit

I2C

1 MHz

32 k x 8

TSSOP-8

1.6 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

EEPROM 256 Kbit EEPROM Three Chip Enable

M24256-BFDW6TP
STMicroelectronics
1: $0.53
11,360In Stock
NRND

Mfr. Part No.
M24256-BFDW6TP

Mouser Part No
511-M24256-BFDW6TP

NRND

STMicroelectronics

EEPROM 256 Kbit EEPROM Three Chip Enable

Learn More

Datasheet

11,360In Stock

Cut Tape

$0.53

$0.498

$0.486

$0.475

View

Reel

$0.383

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

256 kbit

2-Wire, I2C

1 MHz

32 k x 8

TSSOP-8

450 ns

1.7 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

M24256-BF

Reel, Cut Tape, MouseReel

EEPROM 256-Kbit serial I2C Bus EEPROM

M24256-DFMC6TG
STMicroelectronics
1: $0.61
51,004In Stock
NRND

Mfr. Part No.
M24256-DFMC6TG

Mouser Part No
511-M24256-DFMC6TG

NRND

STMicroelectronics

EEPROM 256-Kbit serial I2C Bus EEPROM

Learn More

Datasheet

51,004In Stock

Cut Tape

$0.61

$0.574

$0.559

$0.547

View

Reel

$0.465

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

256 kbit

2-Wire, I2C

1 MHz

32 k x 8

UFDFPN-8

450 ns

1.7 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

M24256-DF

Reel, Cut Tape, MouseReel

EEPROM 256-Kbit serial I2C bus EEPROM

M24256E-FMN6TP
STMicroelectronics
1: $0.29
9,127In Stock

Mfr. Part No.
M24256E-FMN6TP

Mouser Part No
511-M24256E-FMN6TP

STMicroelectronics

EEPROM 256-Kbit serial I2C bus EEPROM

Learn More

Datasheet

9,127In Stock

Cut Tape

$0.29

$0.263

$0.257

$0.251

View

Reel

$0.223

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

256 kbit

I2C

1 MHz

32 k x 8

SO-8

450 ns

1.6 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

EEPROM 256-Kbit serial I2C bus EEPROM

M24256X-FCU6T/VF
STMicroelectronics
1: $0.58
6,711In Stock
10,000Expected 17/06/2026

Mfr. Part No.
M24256X-FCU6T/VF

Mouser Part No
511-M24256X-FCU6T/VF

STMicroelectronics

EEPROM 256-Kbit serial I2C bus EEPROM

Learn More

Datasheet

6,711In Stock

10,000Expected 17/06/2026

Cut Tape

$0.58

$0.545

$0.531

$0.52

View

Reel

$0.445

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

256 kbit

2-Wire, I2C

1 MHz

32 k x 8

WLCSP-4

450 ns

1.6 V

3.6 V

SMD/SMT

200 Year

- 40 C

+ 85 C

M24256X-F

Reel, Cut Tape, MouseReel

EEPROM 256K 11MIL GRIND - 250NS 883C

AT28C256-25DM/883
Microchip / Microsemi
1: $252.39
16In Stock

Mfr. Part No.
AT28C256-25DM/883

Mouser Part No
556-28C256-25DM/883

Microchip / Microsemi

EEPROM 256K 11MIL GRIND - 250NS 883C

Learn More

Datasheet

16In Stock

$252.39

Min.: 1
Mult.: 1

256 kbit

Parallel

32 k x 8

CDIP-28

150 ns

4.5 V

5.5 V

Through Hole

10 Year

- 55 C

+ 125 C

AT28C256

Tube

EEPROM 256K (32K X 8), 2-WI 1.8V

AT24C256C-SSHL-B
Microchip Technology
1: $0.56
19,877In Stock

Mfr. Part No.
AT24C256C-SSHL-B

Mouser Part No
556-AT24C256C-SSHL-B

Microchip Technology

EEPROM 256K (32K X 8), 2-WI 1.8V

Datasheet

19,877In Stock

$0.56

$0.553

Min.: 1
Mult.: 1

256 kbit

2-Wire, I2C

1 MHz

32 k x 8

SOIC-Narrow-8

450 ns

1.7 V

5.5 V

SMD/SMT

100 Year

- 40 C

+ 85 C

AT24C256C

Tube

EEPROM 256K (32K X 8), 2-WI 1.8V

AT24C256C-XHL-T
Microchip Technology
1: $0.58
11,406In Stock

Mfr. Part No.
AT24C256C-XHL-T

Mouser Part No
556-AT24C256C-XHL-T

Microchip Technology

EEPROM 256K (32K X 8), 2-WI 1.8V

Datasheet

11,406In Stock

Cut Tape

$0.58

$0.575

Reel

$0.575

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

256 kbit

2-Wire, I2C

1 MHz

32 k x 8

TSSOP-8

450 ns

1.7 V

5.5 V

SMD/SMT

100 Year

- 40 C

+ 85 C

AT24C256C

Reel, Cut Tape, MouseReel

EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3

AT25256B-MAHL-T
Microchip Technology
5,000: $1.00
5,000In Stock

Mfr. Part No.
AT25256B-MAHL-T

Mouser Part No
556-AT25256B-MAHL-T

Microchip Technology

EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3

Datasheet

5,000In Stock

Reel

$1.00

Min.: 5,000
Mult.: 5,000

: 5,000

256 kbit

3-Wire, SPI

20 MHz

32 k x 8

UDFN-8

1.8 V

5.5 V

SMD/SMT

100 Year

- 40 C

+ 85 C

AT25256B

Reel

EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3

AT25256B-SSHL-B
Microchip Technology
1: $0.96
4,894In Stock

Mfr. Part No.
AT25256B-SSHL-B

Mouser Part No
556-AT25256B-SSHL-B

Microchip Technology

EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3

Datasheet

4,894In Stock

$0.96

$0.958

Min.: 1
Mult.: 1

256 kbit

3-Wire, SPI

20 MHz

32 k x 8

SOIC-Narrow-8

80 ns

1.8 V

5.5 V

SMD/SMT

100 Year

- 40 C

+ 85 C

AT25256B

Tube

EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3

AT25256B-SSHL-T
Microchip Technology
1: $0.96
3,283In Stock
12,000Expected 05/06/2026

Mfr. Part No.
AT25256B-SSHL-T

Mouser Part No
556-AT25256B-SSHL-T

Microchip Technology

EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3

Datasheet

3,283In Stock

12,000Expected 05/06/2026

Cut Tape

$0.96

$0.958

Reel

$0.958

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

256 kbit

3-Wire, SPI

20 MHz

32 k x 8

SOIC-Narrow-8

80 ns

1.8 V

5.5 V

SMD/SMT

100 Year

- 40 C

+ 85 C

AT25256B

Reel, Cut Tape, MouseReel

EEPROM 200NS, SOIC, IND TEMP, GREEN

AT28BV256-20SU-T
Microchip Technology
1: $13.18
1,089In Stock

Mfr. Part No.
AT28BV256-20SU-T

Mouser Part No
556-AT28BV256-20SU-T

Microchip Technology

EEPROM 200NS, SOIC, IND TEMP, GREEN

Datasheet

1,089In Stock

Cut Tape

$13.18

Reel

$13.18

Min.: 1
Mult.: 1

: 1,000

256 kbit

Parallel

32 k x 8

SOIC-28

200 ns

2.7 V

3.6 V

SMD/SMT

10 Year

- 40 C

+ 85 C

AT28BV256

Reel, Cut Tape

EEPROM 256K 11MIL GRIND 150NS IND TEMP

AT28C256-15SU
Microchip Technology
1: $12.68
164In Stock

Mfr. Part No.
AT28C256-15SU

Mouser Part No
556-AT28C25615SU

Microchip Technology

EEPROM 256K 11MIL GRIND 150NS IND TEMP

Learn More

Datasheet

164In Stock

$12.68

Min.: 1
Mult.: 1

256 kbit

Parallel

5 MHz

32 k x 8

SOIC-28

150 ns

4.5 V

5.5 V

SMD/SMT

10 Year

- 40 C

+ 85 C

AT28C256

Tube

EEPROM 150NS, SOIC, IND TEMP, GREEN

AT28C256E-15SU-T
Microchip Technology
1: $13.04
924In Stock

Mfr. Part No.
AT28C256E-15SU-T

Mouser Part No
556-AT28C256E-15SU-T

Microchip Technology

EEPROM 150NS, SOIC, IND TEMP, GREEN

Learn More

Datasheet

924In Stock

Cut Tape

$13.04

Reel

$13.04

Min.: 1
Mult.: 1

: 1,000

256 kbit

Parallel

5 MHz

32 k x 8

SOIC-28

150 ns

4.5 V

5.5 V

SMD/SMT

10 Year

- 40 C

+ 85 C

AT28C256

Reel, Cut Tape

EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP

AT28C256E-15JU
Microchip Technology
1: $12.96
152In Stock

Mfr. Part No.
AT28C256E-15JU

Mouser Part No
556-AT28C256E15JU

Microchip Technology

EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP

Learn More

Datasheet

152In Stock

$12.96

Min.: 1
Mult.: 1

256 kbit

Parallel

5 MHz

32 k x 8

PLCC-32

150 ns

4.5 V

5.5 V

SMD/SMT

10 Year

- 40 C

+ 85 C

AT28C256

Tube

EEPROM Parallel EEPROM 5V, SDP-70NS, GR

AT28HC256-70JU
Microchip Technology
1: $15.33
483In Stock

Mfr. Part No.
AT28HC256-70JU

Mouser Part No
556-AT28HC256-70JU

Microchip Technology

EEPROM Parallel EEPROM 5V, SDP-70NS, GR

Datasheet

483In Stock

$15.33

Min.: 1
Mult.: 1

256 kbit

Parallel

5 MHz

32 k x 8

PLCC-32

70 ns

4.5 V

5.5 V

SMD/SMT

10 Year

- 40 C

+ 85 C

AT28HC256

Tube

EEPROM 90NS, PLCC, IND TEMP, GREEN

AT28HC256-90JU-T
Microchip Technology
1: $14.72
670In Stock

Mfr. Part No.
AT28HC256-90JU-T

Mouser Part No
556-AT28HC256-90JU-T

Microchip Technology

EEPROM 90NS, PLCC, IND TEMP, GREEN

Datasheet

670In Stock

Cut Tape

$14.72

Reel

$14.72

MouseReel Available

Min.: 1
Mult.: 1

: 750

256 kbit

Parallel

5 MHz

32 k x 8

PLCC-32

90 ns

4.5 V

5.5 V

SMD/SMT

10 Year

- 40 C

+ 85 C

AT28HC256

Reel, Cut Tape, MouseReel

EEPROM 256K 32K x 8 120 ns 4.5V-5.5V

AT28HC256-12SU
Microchip Technology
1: $13.25
342In Stock

Mfr. Part No.
AT28HC256-12SU

Mouser Part No
556-AT28HC25612SU

Microchip Technology

EEPROM 256K 32K x 8 120 ns 4.5V-5.5V

Datasheet

342In Stock

$13.25

Min.: 1
Mult.: 1

256 kbit

Parallel

5 MHz

32 k x 8

SOIC-28

120 ns

4.5 V

5.5 V

SMD/SMT

10 Year

- 40 C

+ 85 C

AT28HC256

Tube

EEPROM Parallel EEPROM 5V-120NS, 883c, GR

AT28HC256E-12SU
Microchip Technology
1: $12.98
325In Stock

Mfr. Part No.
AT28HC256E-12SU

Mouser Part No
556-AT28HC256E-12SU

Microchip Technology

EEPROM Parallel EEPROM 5V-120NS, 883c, GR

Datasheet

325In Stock

$12.98

Min.: 1
Mult.: 1

256 kbit

Parallel

5 MHz

32 k x 8

SOIC-28

120 ns

4.5 V

5.5 V

SMD/SMT

10 Year

- 40 C

+ 85 C

AT28HC256

Tube

EEPROM 32kx8 - 1.8V

24AA256-I/SN
Microchip Technology
1: $1.08
1,862In Stock

Mfr. Part No.
24AA256-I/SN

Mouser Part No
579-24AA256-I/SN

Microchip Technology

EEPROM 32kx8 - 1.8V

Datasheet

1,862In Stock

$1.08

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 256K, 32Kx8, 1.8V SER EE, ExT

24AA256T-E/MNY
Microchip Technology
1: $1.21
3,713In Stock

Mfr. Part No.
24AA256T-E/MNY

Mouser Part No
579-24AA256T-E/MNY

Microchip Technology

EEPROM 256K, 32Kx8, 1.8V SER EE, ExT

Datasheet

3,713In Stock

Cut Tape

$1.21

Reel

$1.21

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

256 kbit

2-Wire, I2C

400 kHz

32 k x 8

TDFN-8

900 ns

1.7 V

5.5 V

SMD/SMT

200 Year

- 40 C

+ 125 C

24AA256

Reel, Cut Tape, MouseReel

EEPROM 256K, 32Kx8, 1.8V SER EE, ExT

24AA256T-E/SN
Microchip Technology
1: $1.17
4,689In Stock

Mfr. Part No.
24AA256T-E/SN

Mouser Part No
579-24AA256T-E/SN

Microchip Technology

EEPROM 256K, 32Kx8, 1.8V SER EE, ExT

Datasheet

4,689In Stock

Cut Tape

$1.17

Reel

$1.17

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

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

+ 125 C

24AA256

Reel, Cut Tape, MouseReel

256 kbit EEPROM

Customer Service Office

Company

Resources

Support

CDIP-28
CSP-8
DFN-8
DFN-S-8
DIP-28
FlatPack-28
LCC-32
MLP-8
MSOP-8
PDIP-28
PDIP-8
PGA-28
PLCC-32
SO-8
SOIC-28
SOIC-8
SOIC-Narrow-8
SOIJ-8
SOP-8
SOP-J-8

24AA256
AT24C256C
AT25256B
AT28BV256
AT28C256
AT28HC256
BR24G128-3A
BR24G256-3
BR24T256-W
BR25G256F-3
BR25G256FVT-3
BR25G-5A
BR25S256-W
CAT24C256
CAT25256
CAV24C256
CAV25256
M24256-A125
M24256-BF
M24256-BR