AT59C22 - 4-Wire Serial EEPROMs
The AT59C11/22/13 provides 1024/2048/4096 bits of serial EEPROM (Electrically Erasable Programmable Read Only Memory) organized as 64/128/256 words of 16 bits each, when the ORG Pin is connected to VCC and 128/256/512 words of 8 bits each when it is tied to ground.
The device is optimized for use in
AT59C22 Features
* Low Voltage and Standard Voltage Operation
* 5.0 (VCC = 4.5V to 5.5V)
* 2.7 (VCC = 2.7V to 5.5V)
* 2.5 (VCC = 2.5V to 5.5V) User Selectable Internal Organization
* 1K: 128 x 8 or 64 x 16
* 2K: 256 x 8 or 128 x 16
* 4K: 512 x 8 or 256 x 16 4-W
