Cypress CY7C1420AV18 - Manual (Page 31)

Document Number: 38-05616 Rev. *F Revised January 29, 2009 Page 31 of 31
DDR RAMs and QDR RAMs comprise a new family of products developed by Cypress, Hitachi, IDT, Micron, NEC, and Samsung. All product and company names mentioned in this document are the
trademarks of their respective holders.
CY7C1416AV18, CY7C1427AV18
CY7C1418AV18, CY7C1420AV18
© Cypress Semiconductor Corporation, 2004-2009. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use
of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used
for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use
as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support
systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.
Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign),
United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of,
and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress
integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without
the express written permission of Cypress.
Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not
assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where
a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer
assumes all risk of such use and in doing so indemnifies Cypress against all charges.
Use may be limited by and subject to the applicable Cypress software license agreement.
Sales, Solutions, and Legal Information
Worldwide Sales and Design Support
Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office
closest to you, visit us at
cypress.com/sales.
Products
PSoC psoc.cypress.com
Clocks & Buffers clocks.cypress.com
Wireless wireless.cypress.com
Memories memory.cypress.com
Image Sensors image.cypress.com
PSoC Solutions
General psoc.cypress.com/solutions
Low Power/Low Voltage psoc.cypress.com/low-power
Precision Analog psoc.cypress.com/precision-analog
LCD Drive psoc.cypress.com/lcd-drive
CAN 2.0b psoc.cypress.com/can
USB psoc.cypress.com/usb
Rev. ECN
Oirg. Of
Change
Submission Date Description Of Change
*E 2511757 VKN/AESA 06/19/08 Updated Logic Block diagram
Updated I
DD
/I
SB
specs
Added footnote# 19 related to I
DD
Updated Power-up sequence waveform and it’s description
Changed DLL minimum operating frequency from 80MHz to 120MHz
Changed t
CYC
max spec to 8.4ns for all speed bins
Modified footnotes 21 and 28
*F 2648034 PYRS 01/29/09 Moved to external web
Document History Page
Document Title: CY7C1416AV18, CY7C1427AV18, CY7C1418AV18, CY7C1420AV18, 36-Mbit DDR-II SRAM 2-Word Burst
Architecture
Document Number: 38-05616
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