Microchip, 64 kB EEPROM, 80 ns 8-Pin SOIC Serial-SPI
- RS Stock No.:
- 197-5845P
- Mfr. Part No.:
- AT25640B-SSHL-T
- Manufacturer:
- Microchip
Subtotal 25 units (supplied on a continuous strip)*
€10.98
(exc. VAT)
€13.50
(inc. VAT)
In Stock
- Plus 7,225 unit(s) shipping from 09 November 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 25 + | €0.439 |
*price indicative
- RS Stock No.:
- 197-5845P
- Mfr. Part No.:
- AT25640B-SSHL-T
- Manufacturer:
- Microchip
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Memory Size | 64kB | |
| Product Type | EEPROM | |
| Interface Type | Serial-SPI | |
| Package Type | SOIC | |
| Mount Type | Surface | |
| Pin Count | 8 | |
| Organisation | 32K bit | |
| Maximum Clock Frequency | 5MHz | |
| 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 | |
| Length | 4.9mm | |
| Standards/Approvals | No | |
| Width | 6mm | |
| Series | AT25320B / AT25640B | |
| Height | 1.75mm | |
| Number of Words | 1024204840968190 | |
| Maximum Random Access Time | 80ns | |
| Supply Current | 10mA | |
| Automotive Standard | AEC-Q100 | |
| Data Retention | 100year | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Memory Size 64kB | ||
Product Type EEPROM | ||
Interface Type Serial-SPI | ||
Package Type SOIC | ||
Mount Type Surface | ||
Pin Count 8 | ||
Organisation 32K bit | ||
Maximum Clock Frequency 5MHz | ||
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 | ||
Length 4.9mm | ||
Standards/Approvals No | ||
Width 6mm | ||
Series AT25320B / AT25640B | ||
Height 1.75mm | ||
Number of Words 1024204840968190 | ||
Maximum Random Access Time 80ns | ||
Supply Current 10mA | ||
Automotive Standard AEC-Q100 | ||
Data Retention 100year | ||
The Microchip AT25640B 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
32-byte page write mode
Self-timed write cycle within 5 ms maximum
High reliability