Microchip Technology 25C640
The Microchip Technology Inc. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus.| Part No. | 25C640 |
|---|---|
| Datasheet | 25C640 Download |
| Manufacturer |  Microchip Technology |
| Description | 64K SPI Bus Serial EEPROM |
| Buy | Stock & Price |
FEATURES
● Low power CMOS technology - Write current: 3 mA typical - Read current: 500 µA typical - Standby current: 500 nA typical● 8192 x 8 bit organization
● 32 byte page
● Write cycle time: 5ms max.
● Self-timed ERASE and WRITE cycles
● Block write protection - Protect none, 1/4, 1/2, or all of array
● Built-in write protection - Power on/off data protection circuitry - Write enable latch - Write protect pin
● Sequential read
● High reliability - Endurance: 1M cycles (guaranteed) - Data retention: > 200 years - ESD protection: > 4000 V
● 8-pin PDIP, SOIC, and TSSOP packages
● Temperature ranges supported: - Commercial: (C) 0°C to +70°C - Industrial: (I) -40°C to +85°C - Automotive: (E) (25C640) -40°C to +125°C TSSOP HOLD VCC CS SO 1 2 3 4 8 7 6 5 SCK SI VSS WP 25xx640 BLOCK DIAGRAM Status Register HV Generator EEPROM I/O Control Logic Memory Control Logic X Dec Page Latches Array
DESCRIPTION
The Microchip Technology Inc. 25AA640/25LC640/ 25C640 (25xx640*) is a 64K bit serial Electrically Erasable PROM.
