GS8644Z18 ETC [List of Unclassifed Manufacturers], GS8644Z18 Datasheet - Page 14

• 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.
Key
Current State (n)
Clock (CK)
Command
Intermediate
ƒ
Current State and Next State Definition for
Transition
Input Command Code
Intermediate State (N+1)
High Z
(Data In)
B W
Current State
n
D
R
Pipeline Mode Data I/O State Diagram
Transition
ƒ
Intermediate
Next State (n+2)
14/39
n+1
B
Intermediate
Intermediate
Intermediate
D
W
State
High Z
GS8644Z18(B/E)/GS8644Z36(B/E)/GS8644Z72(C)
ƒ
R
Pipeline Mode Data I/O State Diagram
Intermediate
Notes
1. The Hold command (CKE Low) is not
2. W, R, B, and D represent input command
codes as indicated in the Truth Tables.
shown because it prevents any state change.
n+2
Next State
W
ƒ
D
Data Out
(Q Valid)
R
n+3
B
Intermediate
ƒ
Product Preview
© 2003, GSI Technology