GS8642Z18B GSI [GSI Technology], GS8642Z18B Datasheet - Page 12

• Manufacturer Part Number: GS8642Z18B
• Description: 72Mb Pipelined and Flow Through Synchronous NBT SRAM
• Manufacturer: GSI [GSI Technology]

Rev: 1.02 5/2005
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Current State and Next State Definition for:
Key
Current State (n)
Clock (CK)
Command
ƒ
Transition
Input Command Code
High Z
(Data In)
B W
Current State
Next State (n+1)
n
Flow Through Mode Data I/O State Diagram
D
R
ƒ
Pipeline and Flow Through Read Write Control State Diagram
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n+1
Next State
B
D
W
High Z
ƒ
R
GS8642Z18(B)/GS8642Z36(B)/GS8642Z72(C)
Notes
1. The Hold command (CKE Low) is not
2. W, R, B, and D represent input command
n+2
shown because it prevents any state change.
codes as indicated in the Truth Tables.
W
ƒ
D
Data Out
(Q Valid)
R
n+3
B
ƒ
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© 2004, GSI Technology