gs840e32agt-180i GSI Technology, gs840e32agt-180i Datasheet - Page 20

• Manufacturer Part Number: gs840e32agt-180i
• Description: 256k X 18, 128k X 32, 128k X 36 4mb Sync Burst Srams
• Manufacturer: GSI Technology

AC Electrical Characteristics
Notes:
1.
2.
Rev: 1.14 10/2007
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Through
Pipeline
Flow
These parameters are sampled and are not 100% tested
ZZ is an asynchronous signal. However, In order to be recognized on any given clock cycle, ZZ must meet the specified setup and hold
times as specified above.
Clock to Output in High-Z
Clock to Output in Low-Z
Clock to Output in Low-Z
Clock to Output Invalid
Clock to Output Invalid
Clock to Output Valid
Clock to Output Valid
G to output in High-Z
G to output in Low-Z
Clock Cycle Time
Clock Cycle Time
Clock HIGH Time
G to Output Valid
Clock LOW Time
ZZ setup time
ZZ hold time
ZZ recovery
Parameter
Setup time
Hold time
Symbol
tOHZ
tOLZ
tZZS
tZZH
tKQX
tKQX
tZZR
tHZ
tLZ
tLZ
tKQ
tKQ
tOE
tKC
tKC
tKH
tKL
tS
tH
1
1
1
1
2
2
1
20/32
Min
5.5
1.5
1.5
9.0
3.0
3.0
1.3
1.5
1.5
1.5
0.5
—
—
—
—
20
0
5
1
-180
Max
3.0
8.0
3.2
3.2
3.2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
10.0
Min
6.0
1.5
1.5
3.0
3.0
1.3
1.5
1.5
1.5
0.5
20
—
—
—
—
0
5
1
-166
GS840E18/32/36AT/B-180/166/150/100
Max
3.5
8.5
3.5
3.5
3.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1.5
12.0
Min
6.7
1.5
3.0
3.0
1.3
1.5
1.5
1.5
0.5
20
—
—
—
—
0
5
1
-150
Max
10.0
3.8
3.8
3.8
3.8
—
—
—
—
—
—
—
—
—
—
—
—
—
—
15.0
Min
1.5
1.5
3.0
3.0
1.3
1.5
1.5
2.0
0.5
© 1999, GSI Technology
10
—
—
—
—
20
0
5
1
-100
Max
12.0
4.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5
5
5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns