GS81280Z18GT-250I Datasheet, PDF (10/23 Pages) GSI Technology – 144Mb Pipelined and Flow Through Synchronous NBT SRAM

GS81280Z18/36GT-400/333/250/200
Flow Through Mode Data I/O State Diagram
BW
R
High Z
(Data In)
D
WR
High Z
B
D
RB
Data Out
W
(Q Valid)
D
Key
Input Command Code
ƒ _Transition
Current State (n)
Next State (n+1)
n
n+1
Clock (CK)
Notes
1. The Hold command (CKE Low) is not
shown because it prevents any state change.
2. W, R, B and D represent input command
codes as indicated in the Truth Tables.
n+2
n+3
Command
ƒ
ƒ
ƒ
ƒ
Current State
Next State
Current State and Next State Definition for: Pipeline and Flow Through Read Write Control State Diagram
Rev: 1.01 5/2017
10/22
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
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