Cypress CYDC064B08, CYDC064B16, CYDC128B08, CYDC128B16, CYDC256B16 Document History Page

CYDC256B16, CYDC128B16,

CYDC064B16, CYDC128B08,

CYDC064B08

Document #: 001-01638 Rev. *E Page 26 of 26

Document History Page

Document Title: CYDC256B16/CYDC128B16/CYDC064B16/CYDC128B08/CYDC064B08 1.8V 4k/8k/16k x 16 and 8k/16k

x 8 ConsuMoBL Dual-Port Static RAM

Document Number: 001-01638

REV. ECN NO. Issue Date

Orig. of

Change Description of Change

** 385185 SEE ECN YDT New data sheet

*A 396697 SEE ECN KGH Updated ISB2 and ISB4 typo to mA.

Updated tINS and tINR for -55 to 31ns.

*B 404777 SEE ECN KGH Updated IOH and IOL values for the 1.8V, 2.5V and 3.0V parameters VOH and

VOL

Replaced -35 speed bin with -40

Updated Switching Characteristics for VCC = 2.5V and VCC = 3.0V

Included note 34

*C 463014 SEE ECN HKH Changed spec title to from “Consumer Dual-Port” to “ConsuMoBL Dual-Port”

Cypress Internet Release

*D 505803 SEE ECN HKH Corrected typo in Features and Ordering Info sections.

Cypress external web release.

*E 735537 SEE ECN HKH Corrected typo in Pg5 power supply section

Updated tDDD timing value to be consistent with tWDD

[+] Feedback

Contents

Main 1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08, Features Selection Guide for VCC = 1.8V Selection Guide for VCC = 2.5V CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08, Document #: 001-01638 Rev. *E Page 2 of 26 Figure 1. Top Level Block Diagram Document #: 001-01638 Rev. *E Page 3 of 26 Pin Configurations CYDC064B16 CYDC128B16 CYDC256B16 CYDC064B16, CYDC128B08, CYDC064B08 Pin Configurations CYDC128B08 CYDC064B08 100-pin TQFP (Top View) CYDC256B16, CYDC128B16, Functional Description Pin Definitions CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08, CYDC064B08 Architecture CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08, CYDC064B08 Maximum Ratings Operating Range Electrical Characteristics for VCC = 1.8V Over the Operating Range Electrical Characteristics for VCC = 1.8V (continued) Over the Operating Range Electrical Characteristics for VCC = 2.5V Over the Operating Range CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08, Electrical Characteristics for 3.0V Capacitance AC Test Loads and Waveforms Switching Characteristics for VCC = 1.8V Over the Operating Range[27] Switching Characteristics for VCC = 1.8V Over the Operating Range[27] (continued) Switching Characteristics for VCC = 2.5V Over the Operating Range CYDC256B16, CYDC128B16, CYDC064B16, CYDC128B08, Switching Characteristics for VCC = 3.0V Over the Operating Range Switching Characteristics for VCC = 2.5V Over the Operating Range (continued) Switching Characteristics for VCC = 3.0V Over the Operating Range (continued) Switching Waveforms Read Cycle No.1 (Either Port Address Access) Read Cycle No.2 (Either Port CE/OE Access)[36, 39, 40] Read Cycle No. 3 (Either Port) Write Cycle No.1: R/W Controlled Timing[41, 42, 43, 44, 45, 46] Write Cycle No. 2: CE Controlled Timing[41, 42, 43, 48] Semaphore Read After Write Timing, Either Side Timing Diagram of Semaphore Contention Timing Diagram of Read with BUSY (M/S=HIGH)[53] Write Timing with Busy Input (M/S = LOW) Busy Timing Diagram No.1 (CE Arbitration) CER Valid First Right Address Valid First Busy Timing Diagram No.2 (Address Arbitration) CEL Valid First[54] Interrupt Timing Diagrams Right Side Sets INTL: Right Side Clears INTR: Left Side Sets INTR: Ordering Information Page Document History Page