AT25128B/AT25256B
SPI Serial EEPROM 128 Kbits (16,384 x 8) and 256 Kbits (32,768 x 8)
Features
• Serial Peripheral Interface (SPI) Compatible • Supports SPI Modes 0 (0,0) and 3 (1,1):
– Data sheet describes mode 0 operation • Low-
Voltage Operation:
– 1.
8V (VCC = 1.
8V to 5.
5V) • Industrial Temperature Range: -40°C to +85°C • 20 MHz Clock Rate (5V) • 64‑Byte Page Mode • Block Write Protection:
– Protect 1/4, 1/2 or entire array • Write-Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software Data
Protection • Self-Timed Write Cycle within 5 ms Maximum • ESD Protection 4,000V • High Reliability:
– Endurance: 1,000,000 write cycles – Data retention: 100 years • Green (Lea...