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CY7C2644KV18 Datasheet, PDF (28/30 Pages) Cypress Semiconductor – 144-Mbit QDR® II+ SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency) with ODT
CY7C2644KV18
Document History Page
Document Title: CY7C2644KV18, 144-Mbit QDR® II+ SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency) with ODT
Document Number: 001-44138
Rev.
ECN
Orig. Of Submission
Change
Date
Description Of Change
**
1980429 VKN /
See ECN New data sheet.
AESA
*A
2557050 VKN / 09/24/2008 Updated Identification Register Definitions (Changed Revision Number (31:29)
AESA
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).
Updated in new template.
*B
2806011 VKN /
11/12/09 Added Neutron Soft Error Immunity.
PYRS
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 Ordering Information (By including parts that are available, and added
disclaimer at the top of Ordering Information table).
Updated Package Diagram.
*C
2884892
VKN
02/26/10 Updated Switching Characteristics (Changed minimum value of tSA and tSC
parameters from 0.6 ns to 0.4 ns for 200 MHz, from 0.5 ns to 0.35 ns for
250 MHz, and from 0.4 ns to 0.3 ns for 333 MHz and 300 MHz).
*D
3024181
NJY
09/07/2010 Changed status from Preliminary to Final.
Added Ordering Code Definitions.
Added Acronyms and Units of Measure.
*E
3242369
NJY
04/27/2011 Updated Switching Characteristics.
Updated in new template.
*F
3275033
NJY
06/06/2011 No technical updates.
*G
3429006
PRIT
12/06/2011 Updated Ordering Information (Updated part numbers).
Updated Package Diagram.
Document Number: 001-44138 Rev. *I
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