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CY7C1548KV18 - 72-Mbit DDR II+ SRAM Two-Word Burst Architecture

Datasheet Summary

Features

  • 72-Mbit density (4M × 18, 2M × 36).
  • 450-MHz clock for high bandwidth.
  • 2-word burst for reducing address bus frequency.
  • Double data rate (DDR) interfaces (data transferred at 900 MHz) at 450 MHz.
  • Available in 2.0 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.
  • Synchro.

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Datasheet Details

Part number CY7C1548KV18
Manufacturer Cypress Semiconductor
File Size 631.46 KB
Description 72-Mbit DDR II+ SRAM Two-Word Burst Architecture
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CY7C1548KV18/CY7C1550KV18 72-Mbit DDR II+ SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency) 72-Mbit DDR II+ SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency) Features ■ 72-Mbit density (4M × 18, 2M × 36) ■ 450-MHz clock for high bandwidth ■ 2-word burst for reducing address bus frequency ■ Double data rate (DDR) interfaces (data transferred at 900 MHz) at 450 MHz ■ Available in 2.0 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 ■ Synchronous internally self-timed writes ■ DDR II+ operates with 2.
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