GS8640Z18GT-200 GSI TECHNOLOGY, GS8640Z18GT-200 Datasheet - Page 8
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GS8640Z18GT-200
Manufacturer Part Number
GS8640Z18GT-200
Description
Manufacturer
GSI TECHNOLOGY
Datasheet
1.GS8640Z18GT-200.pdf
(24 pages)
Specifications of GS8640Z18GT-200
Density
72Mb
Access Time (max)
7.5ns
Sync/async
Synchronous
Architecture
SDR
Clock Freq (max)
133.3MHz
Operating Supply Voltage (typ)
2.5/3.3V
Address Bus
22b
Package Type
TQFP
Operating Temp Range
0C to 70C
Number Of Ports
2
Supply Current
205mA
Operating Supply Voltage (min)
2.3/3V
Operating Supply Voltage (max)
2.7/3.6V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
100
Word Size
18b
Number Of Words
4M
Lead Free Status / RoHS Status
Compliant
Rev: 1.03b 2/2009
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Key
Current State and Next State Definition for
Current State (n)
Clock (CK)
Command
ƒ
Transition
Input Command Code
B
R
Pipeline and Flow Through Read Write Control State Diagram
Current State
Burst Read
New Read
Next State (n+1)
R
n
D
B
ƒ
D
W
R
Pipeline and Flow Through Read/Write Control State Diagram
n+1
Next State
W
8/24
D
Deselect
ƒ
B
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 Synchronous Truth Table.
R
D
Burst Write
ƒ
New Write
W
D
GS8640Z18/36T-300/250/200/167
B
n+3
W
ƒ
B
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