AT25640B Overview
AT25080B, AT25160B, AT25320B, and AT25640B SPI Automotive Temperature Serial EEPROMs 8K (1,024 x 8), 16K (2,048 x 8), 32K (4,096 x 8), 64K (8,192.
AT25640B Key Features
- Serial Peripheral Interface (SPI) patible
- Supports SPI Modes 0 (0,0) and 3 (1,1)
- Low-voltage, Medium-voltage and High-voltage Operation ̶ Grade 1, VCC = 2.5V to 5.5V ̶ Grade 2(1) and 3, VCC = 1.7V to 5
- 5MHz Clock Rate
- 32-byte Page Mode
- Block Write Protection
- Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software Data Protection
- Self-timed Write Cycle (5ms max)
- High Reliability