
Preliminary
GS832218(B/E)/GS832236(B/E)/GS832272(C)
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.06 9/2004
22/41
2001, GSI Technology
Notes:
1.
2.
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.
AC Electrical Characteristics
Parameter
Symbol
-250
-225
-200
-166
-150
-133
Unit
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Pipeline
Clock Cycle Time
tKC
4.0
—
4.4
—
5.0
—
6.0
—
6.7
—
7.5
—
ns
Clock to Output Valid (x18/x36)
tKQ
—
2.5
—
2.7
—
3.0
—
3.5
—
3.8
—
4.0
ns
Clock to Output Valid (x72)
tKQ
—
3.0
—
3.0
—
3.0
—
3.5
—
3.8
—
4.0
ns
Clock to Output Invalid
tKQX
1.5
—
1.5
—
1.5
—
1.5
—
1.5
—
1.5
—
ns
Clock to Output in Low-Z
tLZ
1
1.5
—
1.5
—
1.5
—
1.5
—
1.5
—
1.5
—
ns
Setup time
tS
1.2
—
1.3
—
1.4
—
1.5
—
1.5
—
1.5
—
ns
Hold time
tH
0.2
—
0.3
—
0.4
—
0.5
—
0.5
—
0.5
—
ns
Flow
Through
Clock Cycle Time
tKC
6.5
—
7.0
—
7.5
—
8.0
—
8.5
—
8.5
—
ns
Clock to Output Valid
tKQ
—
6.5
—
7.0
—
7.5
—
8.0
—
8.5
—
8.5
ns
Clock to Output Invalid
tKQX
3.0
—
3.0
—
3.0
—
3.0
—
3.0
—
3.0
—
ns
Clock to Output in Low-Z
tLZ
1
3.0
—
3.0
—
3.0
—
3.0
—
3.0
—
3.0
—
ns
Setup time
tS
1.5
—
1.5
—
1.5
—
1.5
—
1.5
—
1.5
—
ns
Hold time
tH
0.5
—
0.5
—
0.5
—
0.5
—
0.5
—
0.5
—
ns
Clock HIGH Time
tKH
1.3
—
1.3
—
1.3
—
1.3
—
1.5
—
1.7
—
ns
Clock LOW Time
tKL
1.5
—
1.5
—
1.5
—
1.5
—
1.7
—
2
—
ns
Clock to Output in
High-Z (x18/x36)
tHZ
1
1.5
2.5
1.5
2.7
1.5
3.0
1.5
3.0
1.5
3.0
1.5
3.0
ns
Clock to Output in
High-Z (x72)
tHZ
1
1.5
3.0
1.5
3.0
1.5
3.0
1.5
3.0
1.5
3.0
1.5
3.0
ns
G to Output Valid
(x18/x36)
tOE
—
2.5
—
2.7
—
3.0
—
3.5
—
3.8
—
4.0
ns
G to Output Valid
(x72)
tOE
—
3.0
—
3.0
—
3.0
—
3.5
—
3.8
—
4.0
ns
G to output in Low-Z
tOLZ
1
0
—
0
—
0
—
0
—
0
—
0
—
ns
G to output in High-Z (x18/x36)
tOHZ
1
—
2.5
—
2.7
—
3.0
—
3.0
—
3.0
—
3.0
ns
G to output in High-Z (x72)
tOHZ
1
—
3.0
—
3.0
—
3.0
—
3.0
—
3.0
—
3.0
ns
ZZ setup time
tZZS
2
5
—
5
—
5
—
5
—
5
—
5
—
ns
ZZ hold time
tZZH
2
1
—
1
—
1
—
1
—
1
—
1
—
ns
ZZ recovery
tZZR
20
—
20
—
20
—
20
—
20
—
20
—
ns