CY7C2168KV18/CY7C2170KV18 18-Mbit DDR II+ SRAM Two-Word Burst Architecture (2.5 Cycle Read Latency) with ODT 18-Mbit DDR II+ SRAM Two-Word Burst Architecture (2.5 Cycle Read Latency) with ODT Features ■ 18-Mbit density (1M × 18, 512K × 36) ■ 550-MHz clock for high bandwidth ■ Two-word burst for reducing address bus frequency ■ Double data rate (DDR) interfaces (data transferred at 1100 MHz) at 550 MHz ■ Available in 2.5 clock cycle latency ■ Two input clocks (K and K) for precise DDR timing ❐ SRAM uses rising edges only ■ Echo clocks (CQ and CQ) simplify data capture in high-speed systems ■ Data valid pin (QVLD) to indicate valid data on the output ■ On-die termination (ODT) feature ❐ Suppo...

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