64K SPI Bus Serial EEPROM
25AA640/25LC640
64K SPI™ Bus Serial EEPROM
Device Selection Table
Part Number
25AA640 25LC640 25LC640
VCC Range
1.8-5...
Description
25AA640/25LC640
64K SPI™ Bus Serial EEPROM
Device Selection Table
Part Number
25AA640 25LC640 25LC640
VCC Range
1.8-5.5V 2.5-5.5V 4.5-5.5V
Max Clock Frequency
1 MHz 2 MHz 3/2.5 MHz
Temp Ranges
I I I, E
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: 5 ms 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 - Data retention: > 200 years - ESD protection: > 4000V 8-pin PDIP, SOIC and TSSOP packages Temperature ranges supported: - Industrial (I): -40°C to +85°C - Automotive (E): -40°C to +125°C
Package Types
PDIP/SOIC
CS 1
8 VCC
SO 2
7 HOLD
WP 3
6 SCK
VSS 4
5 SI
25XX640 25XX640
Description
The Mic...
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