GS81284Z18/36B-250/200/167
AC Electrical Characteristics
-250
-200
-167
Parameter
Symbol
Unit
Min
Max
Min
Max
Min
Max
Clock Cycle Time
tKC
tKQ
4.0
—
5.0
—
6.0
—
ns
ns
Clock to Output Valid
(x18/x36)
—
2.5
—
3.0
—
3.4
Clock to Output Invalid
Clock to Output in Low-Z
Setup time
tKQX
1.5
1.5
1.2
0.2
6.5
—
—
—
—
—
—
6.5
—
—
—
—
—
—
1.5
1.5
1.4
0.4
7.5
—
—
—
—
—
—
7.5
—
—
—
—
—
—
1.5
1.5
1.5
0.5
8.0
—
—
—
—
—
—
8.0
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Pipeline
1
tLZ
tS
tH
Hold time
Clock Cycle Time
Clock to Output Valid
Clock to Output Invalid
Clock to Output in Low-Z
Setup time
tKC
tKQ
tKQX
3.0
3.0
1.5
0.5
1.3
1.5
3.0
3.0
1.5
0.5
1.3
1.5
3.0
3.0
1.5
0.5
1.3
1.5
Flow
Through
1
tLZ
tS
tH
Hold time
Clock HIGH Time
Clock LOW Time
tKH
tKL
Clock to Output in
High-Z (x18/x36)
1
1.5
2.5
1.5
3.0
1.5
3.0
ns
tHZ
G to Output Valid
(x18/x36)
tOE
—
0
2.5
—
2.5
—
0
3.0
—
3.0
—
0
3.5
—
3.0
ns
ns
ns
1
G to output in Low-Z
tOLZ
G to output in High-Z
(x18/36)
1
—
—
—
tOHZ
2
ZZ setup time
ZZ hold time
ZZ recovery
5
1
—
—
—
5
1
—
—
—
5
1
—
—
—
ns
ns
ns
tZZS
2
tZZH
tZZR
20
20
20
Notes:
1. These parameters are sampled and are not 100% tested.
2. 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.
Rev: 1.02 7/2010
16/29
© 2007, GSI Technology
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
GSI [ GSI TECHNOLOGY ]
