Infineon SRAM, CY7C1020DV33-10ZSXI- 512kbit

The Cypress Semiconductor CY7C1020DV33 is a high-performance CMOS static RAM organized as 32,768 words by 16 bits. This device has an automatic power-down feature that significantly reduces power consumption when deselected.

High speed typically of 10 ns
Low active power
Automatic power down when deselected
CMOS for optimum speed/power