CY7C1643KV18/CY7C1645KV18 144-Mbit QDR® II+ SRAM .
Cypress Semiconductor
CY7C1645KV18 - 144-Mbit QDR II+ SRAM Four-Word Burst Architecture
CY7C1643KV18/CY7C1645KV18 144-Mbit QDR® II+ SRAM Four-Word Burst Architecture (2.0 Cycle Read Latency) 144-Mbit QDR® II+ SRAM Four-Word Burst Archite.