Cypress.com: Documentation http://www.cypress.com/?app=search&searchType=advanced&id%3D101 CY7C1568KV18, CY7C1570KV18: 72-Mbit DDR II+ SRAM Two-Word Burst Architecture (2.5 Cycle Read Latency) http://www.cypress.com/?rID=38001 72-Mbit DDR II+ SRAM Two-Word Burst Architecture (2.5 Cycle Read Latency)

Features

  • 72-Mbit density (4M x 18, 2M x 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 pi(QVLD) to indicate valid data othe output
  • For more, see pdf
     

Functional Description

The CY7C1568KV18 and CY7C1570KV18 are 1.8 V synchronous pipelined SRAMs equipped with DDR II+ architecture. The DDR II+ consists of an SRAM core with advanced synchronous peripheral circuitry. Addresses for read and write are latched on alternate rising edges of the input (K) clock.

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Knowledge Base – Cypress Semiconductor Cage Code – KBA89258 http://www.cypress.com/?rID=86132 Answer: The Commercial and Government Entity Code, or CAGE Code, is a unique identifier assigned to suppliers to various government or defense agencies, as well as to government agencies themselves and also various organizations.

CAGE codes provide a standardized method of identifying a given facility at a specific location.

Cypress Semiconductor’s Cage Code is 65786.

Cypress Minnesota - Fab4 who ship wafers has Cage Code 5AZZ0.

Ramtron International who specialized memory who and was acquired by Cypress Semiconductor has a CAGE code OJP56.

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Product Selector Guide (PSG) - All Cypress Products - Japanese http://www.cypress.com/?rID=53204 Thu, 29 Aug 2013 04:18:19 -0600 Product Selector Guide (PSG) - All Cypress Products http://www.cypress.com/?rID=41004 Tue, 20 Aug 2013 01:54:18 -0600 Product Selector Guide (PSG) - All Cypress Products - Chinese http://www.cypress.com/?rID=47398 Mon, 01 Apr 2013 04:35:52 -0600