Microchip AT25256B-SSHL-B, 256 kB EEPROM, 80 ns 8-Pin SOIC SPI

View all EEPROM

Subtotal (1 bag of 2 units)*

PHP205.10

(exc. VAT)

PHP229.72

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 70 unit(s) shipping from December 15, 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per Unit
Per Bag*
2 +PHP102.55PHP205.10

*price indicative

RS Stock No.:
352-255
Mfr. Part No.:
AT25256B-SSHL-B
Manufacturer:
Microchip
Find similar products by selecting one or more attributes.
Select all

Brand

Microchip

Memory Size

256kB

Product Type

EEPROM

Interface Type

SPI

Package Type

SOIC

Mount Type

Surface

Pin Count

8

Maximum Clock Frequency

20MHz

Minimum Supply Voltage

1.8V

Number of Bits per Word

8

Maximum Supply Voltage

5.5V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Height

1.75mm

Standards/Approvals

RoHS, Halide-free, Lead (Pb) Free

Series

AT25128B/AT25256B

Supply Current

10mA

Maximum Random Access Time

80ns

Automotive Standard

No

Data Retention

100year

The Microchip 256 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 32,768 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where reliable and dependable non-volatile memory storage is essential. Software write protection allows the user to protect ¼, ½, or the entire memory array. A hardware write protect pin is also provided, which additionally protects against inadvertent writes to the status register. The EEPROM is available in a variety of space-saving packaging options.

Supports SPI modes 0 and 3

Up to 20 MHz clock frequency

Self-Timed Erase and Write Cycles 5 ms max

Data retention 100 years

More than 1 million erase or write cycles

Related links