GS816018C Datasheet, PDF (16/22 Pages) GSI Technology – 1M x 18 and 512K x 36 18Mb Sync Burst SRAMs

Preliminary
GS816018/36CT-333/300/250
AC Electrical Characteristics
Parameter
Symbol
-333
Min
Max
-300
Min
Max
-250
Unit
Min
Max
Pipeline
Flow Through
Clock Cycle Time
Clock to Output Valid
Clock to Output Invalid
Clock to Output in Low-Z
Setup time
Hold time
Clock Cycle Time
Clock to Output Valid
Clock to Output Invalid
Clock to Output in Low-Z
Setup time
Hold time
tKC
3.0
—
3.3
—
4.0
—
ns
tKQ
—
2.5
—
2.5
—
2.5
ns
tKQX
1.5
—
1.5
—
1.5
—
ns
tLZ¹
1.5
—
1.5
—
1.5
—
ns
tS
1.0
—
1.0
—
1.2
—
ns
tH
0.1
—
0.1
—
0.2
—
ns
tKC
4.5
—
5.0
—
5.5
—
ns
tKQ
—
4.5
—
5.0
—
5.5
ns
tKQX
2.0
—
2.0
—
2.0
—
ns
tLZ¹
2.0
—
2.0
—
2.0
—
ns
tS
1.3
—
1.4
—
1.5
—
ns
tH
0.3
—
0.4
—
0.5
—
ns
Clock HIGH Time
tKH
1.0
—
1.0
—
1.3
—
ns
Clock LOW Time
tKL
1.2
—
1.2
—
1.5
—
ns
Clock to Output in
High-Z
tHZ¹
1.5
2.5
1.5
2.5
1.5
2.5
ns
G to Output Valid
tOE
—
2.5
—
2.5
—
2.5
ns
G to output in Low-Z
G to output in High-Z
ZZ setup time
ZZ hold time
tOLZ¹
tOHZ¹
tZZS²
tZZH²
0
—
0
—
0
—
ns
—
2.5
—
2.5
—
2.5
ns
5
—
5
—
5
—
ns
1
—
1
—
1
—
ns
ZZ recovery
tZZR
20
—
20
—
20
—
ns
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: 1.00 9/2004
16/22
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2004, GSI Technology