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CY7C1663KV18 Datasheet(PDF) 29 Page - Cypress Semiconductor |
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CY7C1663KV18 Datasheet(HTML) 29 Page - Cypress Semiconductor |
29 / 31 page Document Number: 001-44060 Rev. *O Page 29 of 31 CY7C1663KV18/CY7C1665KV18 Document History Page Document Title: CY7C1663KV18/CY7C1665KV18, 144-Mbit QDR® II+ SRAM Four-Word Burst Architecture (2.5 Cycle Read Latency) Document Number: 001-44060 Rev. ECN No. Submission Date Orig. of Change Description of Change ** 1910968 See ECN VKN / AESA New data sheet. *A 2556834 08/25/08 VKN / PYRS Updated Identification Register Definitions (Changed Revision Number (31:29) from 001 to 000). Updated Power Up Sequence in QDR II+ SRAM (Updated description and Figure 4). Updated Electrical Characteristics (Updated DC Electrical Characteristics (Updated maximum values of IDD and ISB1 parameters)). Updated Thermal Resistance (Replaced values of JA and JC parameters from TBD to respective Thermal Values for all Packages). *B 2806011 11/12/09 VKN / PYRS Added Neutron Soft Error Immunity. Updated Capacitance (Changed value of Input Capacitance (CIN) from 2 pF to 4 pF, changed value of Output Capacitance (CO) from 3 pF to 4 pF). Updated Switching Characteristics (Changed maximum value of tCO, tCCQO, tCHZ parameters from 370 ps to 450 ps for 550 MHz, 500 MHz and 450 MHz frequencies, changed minimum value of tDOH, tCQOH, tCLZ parameters from –370 ps to –450 ps for 550 MHz, 500 MHz and 450 MHz frequencies). Updated Ordering Information (By including parts that are available, and added disclaimer at the top of Ordering Information table). Updated Package Diagram. *C 2886418 03/02/2010 NJY Updated Switching Characteristics (Changed minimum value of tHCDDR and tHD parameters from 0.28 ns to 0.22 ns for 450 MHz frequency). Updated Ordering Information (Removed inactive parts). Updated links in Sales, Solutions, and Legal Information *D 3022441 09/03/2010 NJY Changed status from Preliminary to Final. Added Acronyms and Units of Measure. Updated Ordering Information (Updated part numbers) and added Ordering Code Definitions. Updated Sales, Solutions, and Legal Information. *E 3239743 04/25/2011 NJY Updated Ordering Information (Updated part numbers). Updated to new template. *F 3275033 06/06/2011 NJY No technical updates. *G 3428176 11/02/2011 PRIT Updated Ordering Information (Updated part numbers). Updated Package Diagram. *H 3456591 12/06/2011 PRIT Updated Ordering Information (Updated part numbers). *I 3607032 05/03/2012 AVIA / PRIT Updated Features (Removed CY7C1661KV18, CY7C1676KV18 related information). Updated Configurations (Removed CY7C1661KV18, CY7C1676KV18 related information). Updated Functional Description (Removed CY7C1661KV18, CY7C1676KV18 related information). Updated Selection Guide (Removed 500 MHz and 400 MHz frequencies related information, removed CY7C1661KV18, CY7C1676KV18 related information). Removed Logic Block Diagram – CY7C1661KV18. Removed Logic Block Diagram – CY7C1676KV18. Updated Pin Configurations (Removed CY7C1661KV18, CY7C1676KV18 related information). Updated Pin Definitions (Removed CY7C1661KV18, CY7C1676KV18 related information). |
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