GS88237BB-250V Ver la hoja de datos (PDF) - Giga Semiconductor

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GS88237BB-250V

256K x 36 9Mb SCD/DCD Sync Burst SRAM

Giga Semiconductor 

Simplified State Diagram with G

GS88237BB/D-xxxV

X

Deselect

W

R

W

R

X

First Write R

CW

CR

W

First Read X

CW

CR

W

X

R

Burst Write

CR

CW

R

W

Burst Read X

CW

CR

Notes:

1. The diagram shows supported (tested) synchronous state transitions plus supported transitions that depend upon the use of G.

2. Use of “Dummy Reads” (Read Cycles with G High) may be used to make the transition from read cycles to write cycles without passing

through a Deselect cycle. Dummy Read cycles increment the address counter just like normal read cycles.

3. Transitions shown in grey tone assume G has been pulsed high long enough to turn the RAM’s drivers off and for incoming data to meet

Data Input Set Up Time.

Rev: 1.04 6/2006

10/28

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

© 2003, GSI Technology

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