GS832118E Datasheet, PDF (17/32 Pages) GSI Technology – 2M x 18, 1M x 32, 1M x 36 36Mb Sync Burst SRAMs

GS832118/32/36E-250/225/200/166/150/133
AC Electrical Characteristics
Parameter
-250
-225
-200
-166
-150
-133
Symbol
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
Clock Cycle Time
tKC 4.0 — 4.4 — 5.0 — 6.0 — 6.7 — 7.5 — ns
Clock to Output Valid tKQ — 2.5 — 2.7 — 3.0 — 3.4 — 3.8 — 4.0 ns
Clock to Output Invalid
Pipeline
Clock to Output in Low-Z
tKQX
tLZ¹
1.5 — 1.5 — 1.5 — 1.5 — 1.5 — 1.5 — ns
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
Clock Cycle Time
tKC 5.5 — 6.0 — 6.5 — 7.0 — 7.5 — 8.5 — ns
Clock to Output Valid tKQ — 5.5 — 6.0 — 6.5 — 7.0 — 7.5 — 8.5 ns
Flow ^{Clock to Output Invalid}
Through _{Clock to Output in Low-Z}
tKQX
tLZ¹
3.0 — 3.0 — 3.0 — 3.0 — 3.0 — 3.0 — ns
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
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}
G to Output Valid
tOE — 2.5 — 2.7 — 3.0 — 3.5 — 3.8 — 4.0 ns
G to output in Low-Z _tOLZ¹ 0 — 0 — 0 — 0 — 0 — 0 — ns
G to output in High-Z _tOHZ¹ — 2.5 — 2.7 — 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
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: 1.03 4/2005
17/32
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2003, GSI Technology