CYPRESS SEMICONDUCTOR CY7C109B CY7C1009B Manual
User Manual
The CY7C109B / CY7C1009B is a high-performance CMOS static RAM organized as 131,072 words by 8 bits, with features such as high speed, low power consumption, low CMOS standby power, 2.0V data retention, automatic power-down and TTL-compatible inputs and outputs.