GS864218B-167IV GSI [GSI Technology], GS864218B-167IV Datasheet - Page 18

• Manufacturer Part Number: GS864218B-167IV
• Description: 4M x 18, 2M x 36, 1M x 72 72Mb S/DCD Sync Burst SRAMs
• Manufacturer: GSI [GSI Technology]

AC Electrical Characteristics
Notes:
1.
2.
Rev: 1.03 6/2006
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Flow Through
Pipeline
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 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 High-Z
G to output in Low-Z
Clock to Output in
Clock to Output in
Clock Cycle Time
Clock Cycle Time
Clock HIGH Time
Clock LOW Time
G to Output Valid
G to Output Valid
High-Z (x18/x36)
ZZ setup time
High-Z (x72)
ZZ hold time
ZZ recovery
Parameter
Setup time
Setup time
Hold time
Hold time
(x18/x36)
(x18/36)
(x72)
(x72)
Symbol
tOHZ
tOHZ
tOLZ
tZZH
tZZS
tKQX
tKQX
tZZR
tHZ
tHZ
tLZ
tLZ
tKQ
tKQ
tOE
tOE
tKC
tKC
tKH
18/35
tKL
tH
tH
tS
tS
1
1
1
1
1
2
2
1
1
Min
4.0
1.5
1.5
1.5
0.2
6.5
3.0
3.0
1.5
0.5
1.3
1.7
1.5
1.5
—
—
—
—
—
—
20
0
5
1
-250
Max
3.0
6.5
2.5
3.0
2.5
3.0
2.5
3.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Min
5.0
1.5
1.5
1.5
0.4
7.5
3.0
3.0
1.5
0.5
1.3
1.7
1.5
1.5
—
—
—
—
—
—
20
0
5
1
-200
GS864218/36/72(B/C)-xxxV
Max
3.0
7.5
3.0
3.0
3.0
3.0
3.0
3.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Min
6.0
1.5
1.5
1.5
0.5
8.0
3.0
3.0
1.5
0.5
1.3
1.7
1.5
1.5
—
—
—
—
—
—
20
0
5
1
© 2004, GSI Technology
-167
Preliminary
Max
3.5
8.0
3.0
3.0
3.5
3.5
3.0
3.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns