Document Number: 001-12559 Rev. *D Revised June 25, 2008 Page 26 of 26
QDR RAMs and Quad Data Rate RAMs comprise a new family of products developed by Cypress, IDT, NEC, Renesas, and Samsung. All product and company names mentioned in this document
are the trademarks of their respective holders.
CY7C1516JV18, CY7C1527JV18
CY7C1518JV18, CY7C1520JV18
© Cypress Semiconductor Corporation, 2007-2008. 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 w i th Cy press. 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 person al, non- ex clusi ve, non-transfe rable 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 repr esentation of th is 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 compone nt s in life-support systems whe re
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

Document History Page

Document Title: CY7C1516JV18/CY7C1527JV18/CY7C1518JV18/CY7C1520JV18, 72-Mbit DDR-II SRAM 2-Word
Burst Architecture
Document Number: 001-12559
REV. ECN NO. ISSUE
DATE ORIG. OF
CHANGE DESCRIPTION OF CHANGE
** 808457 See ECN VKN New Data Sheet
*A 1273883 See ECN VKN Removed tSD footnote
Updated Logic block diagram for x18 and x36 parts
*B 1462589 See ECN VKN/AESA Converted from preliminary to final
Updated IDD/ISB specs
Changed DLL minimum operating frequency from 80MHz to 120MHz
Changed tCYC max spec to 8.4ns
*C 2189567 See ECN VKN/AESA Minor Change-Moved to the external web
*D 2521072 06/25/08 NXR/PYRS Updated Logic block diagram, Changed the pin name from VSS/144M and VSS/288M
to NC/144M and NC/288M respectively in Pin Definition table, Changed JTAG ID
[31:29] from 001 to 000, Updated power up sequence waveform and its description,
Changed Ambient Temperature with Power Applied from “–10°C to +85°C” to “–55°C
to +125°C” in the “Maximum Ratings “ on page 20, Added footnote #19 related to
IDD, Changed ΘJA spec from 16.2 to 16.3, Changed ΘJC spec from 2.3 to 2.1.
[+] Feedback