GS8644Z18 ETC [List of Unclassifed Manufacturers], GS8644Z18 Datasheet - Page 15

• Manufacturer Part Number: GS8644Z18
• Description: 72Mb Pipelined and Flow Through Synchronous NBT SRAM
• Manufacturer: ETC [List of Unclassifed Manufacturers]

Rev: 1.03 11/2004
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
15/39
n+1
Next State
B
D
W
High Z
GS8644Z18(B/E)/GS8644Z36(B/E)/GS8644Z72(C)
ƒ
R
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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