APPLICATION NOTE
A V A I L A B L E
X25320 32K
AN61
X25320
SPI Serial E2PROM With Block LockTM Protection
DESCRIPTION
4K x 8 Bit
FEATURES
• 2MHz Clock Rate • SPI Modes (0,0 & 1,1) • 4K X 8 Bits — 32 Byte Page Mode • Low Power
CMOS — 1µA Standby Current — 5mA Active Current During Write • 2.
7V To 5.
5V Power Supply • Block Lock Protection — Protect 1/4, 1/2 or all of E2PROM Array • Built-in Inadvertent Write Protection — Power-Up/Power-Down protection circuitry — Write Enable Latch — Write Protect Pin • Self-Timed Write Cycle — 5ms Write Cycle Time (Typical) • High Reliability — Endurance: 100,000 cycles — Data Retention: 100 Years — ESD protection: 2000V on all pins • 8-Lead PDlP Packag...