Microchip, 256 kB EEPROM, 80 ns 8-Pin SOIC Serial-SPI
- RS Stock No.:
- 197-5839P
- Mfr. Part No.:
- AT25256B-SSHL-T
- Brand:
- Microchip
Subtotal 10 units (supplied on a continuous strip)*
£7.37
(exc. VAT)
£8.84
(inc. VAT)
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In Stock
- Plus 7,490 unit(s) shipping from 06 July 2026
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Units | Per unit |
|---|---|
| 10 + | £0.737 |
*price indicative
- RS Stock No.:
- 197-5839P
- Mfr. Part No.:
- AT25256B-SSHL-T
- Brand:
- Microchip
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Product Type | EEPROM | |
| Memory Size | 256kB | |
| Interface Type | Serial-SPI | |
| Package Type | SOIC | |
| Mount Type | Surface | |
| Pin Count | 8 | |
| Organisation | 256 kB | |
| Maximum Clock Frequency | 20MHz | |
| Minimum Supply Voltage | 1.8V | |
| Maximum Supply Voltage | 5.5V | |
| Number of Bits per Word | 8 | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 85°C | |
| Length | 4.9mm | |
| Series | AT25256B | |
| Standards/Approvals | No | |
| Width | 6mm | |
| Automotive Standard | No | |
| Supply Current | 10mA | |
| Data Retention | 100year | |
| Number of Words | 1638432768 | |
| Maximum Random Access Time | 80ns | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Product Type EEPROM | ||
Memory Size 256kB | ||
Interface Type Serial-SPI | ||
Package Type SOIC | ||
Mount Type Surface | ||
Pin Count 8 | ||
Organisation 256 kB | ||
Maximum Clock Frequency 20MHz | ||
Minimum Supply Voltage 1.8V | ||
Maximum Supply Voltage 5.5V | ||
Number of Bits per Word 8 | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 85°C | ||
Length 4.9mm | ||
Series AT25256B | ||
Standards/Approvals No | ||
Width 6mm | ||
Automotive Standard No | ||
Supply Current 10mA | ||
Data Retention 100year | ||
Number of Words 1638432768 | ||
Maximum Random Access Time 80ns | ||
The Microchip AT25256B series EEPROM is a serial peripheral interface (SPI) compatible 256Kbit serial read only EEPROM. The device is optimized for use in many industrial and commercial applications where low‑power and low‑voltage operation are essential.
Industrial temperature range is -40°C to +85°C
Write-protect(WP) pin and write disable instructions for both hardware and software data protection
64-byte page write mode
Self-timed write cycle within 5 ms maximum
High reliability