Cypress CY7C1425JV18 Document History, REV ECN no Issue ORIG. Description of Change Date, Vkn

Page 26

CY7C1410JV18, CY7C1425JV18

CY7C1412JV18, CY7C1414JV18

Document History Page

Document Title: CY7C1410JV18/CY7C1425JV18/CY7C1412JV18/CY7C1414JV18, 36-Mbit QDR™-II SRAM 2-Word

Burst Architecture

Document Number: 001-12561

REV.

ECN NO.

ISSUE

ORIG. OF

DESCRIPTION OF CHANGE

DATE

CHANGE

 

 

 

 

 

**

808457

See ECN

VKN

New Data Sheet

 

 

 

 

 

*A

1061960

See ECN

VKN

Removed 300MHz speed bin

 

 

 

 

 

*B

1397384

See ECN

VKN

Added 267MHz speed bin

 

 

 

 

 

*C

1462587

See ECN

VKN/AESA

Converted from preliminary to final

 

 

 

 

Removed 200MHz speed bin

 

 

 

 

Updated IDD/ISB specs

 

 

 

 

Changed DLL minimum operating frequency from 80MHz to 120MHz

 

 

 

 

Changed tCYC max spec to 8.4ns for all speed bins

*D

2189567

See ECN

VKN/AESA

Minor Change-Moved to the external web

 

 

 

 

 

© 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 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.

Document #: 001-12561 Rev. *D

Revised March 10, 2007

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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.

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Contents Functional Description FeaturesConfigurations Selection GuideDoff Logic Block Diagram CY7C1410JV18Logic Block Diagram CY7C1425JV18 Logic Block Diagram CY7C1412JV18 Logic Block Diagram CY7C1414JV18CY7C1410JV18 4M x Pin ConfigurationBall Fbga 15 x 17 x 1.4 mm Pinout CY7C1425JV18 4M xCY7C1414JV18 1M x CY7C1412JV18 2M xWPS BWS Pin Definitions Pin Name Pin DescriptionIs Referenced with Respect to Power Supply Inputs to the Core of the DevicePower Supply Inputs for the Outputs of the Device TDO for JtagFunctional Overview Echo Clocks Application ExampleProgrammable Impedance Sram #1RPS WPS Truth TableWrite Cycle Descriptions BWS0 BWS1BWS0 BWS0 BWS1 BWS2 BWS3Ieee 1149.1 Serial Boundary Scan Jtag Idcode TAP Controller State Diagram TDI TAP Controller Block DiagramTAP Electrical Characteristics TCKTAP AC Switching Characteristics TAP Timing and Test ConditionsInstruction Codes Identification Register DefinitionsScan Register Sizes Boundary Scan Order Bit # Bump IDPower Up Sequence Power Up Sequence in QDR-II SramPower Up Waveforms DLL ConstraintsMaximum Ratings Electrical CharacteristicsDC Electrical Characteristics Thermal Resistance AC Electrical CharacteristicsCapacitance AC Test Loads and WaveformsParameter Min Max Switching CharacteristicsCypress Consortium Description 267 MHz 250 MHz Unit DLL TimingWrite NOP Switching WaveformsWrite Read Ordering Information Package Diagram Ball Fbga 15 x 17 x 1.40 mmVKN REV ECN no Issue ORIG. Description of Change DateDocument History VKN/AESA