GS82032AT Datasheet, PDF (14/22 Pages) GSI Technology – 64K x 32 2Mb Synchronous Burst SRAM

GS82032AT-180/166/150/133/100/66/4/5/6
AC Electrical Characteristics
Parameter
-180
-166
-150
-133
-100
-66
Symbol
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
Clock Cycle Time
tKC 5.5 — 6 — 6.6 — 7.5 — 10 — 12.5 — ns
Clock to Output Valid
Pipeline _{Clock to Output Invalid}
tKQ
tKQX
— 3.2 — 3.5 — 3.8 — 4 — 5 — 6 ns
1.5 — 1.5 — 1.5 — 1.5 — 1.5 — 1.5 — ns
Clock to Output in Low-Z _tLZ¹ 1.5 — 1.5 — 1.5 — 1.5 — 1.5 — 1.5 — ns
Clock Cycle Time
tKC 9.1 — 10 — 10.5 — 12 — 15 — 20 — ns
Flow
Clock to Output Valid
tKQ
— 8 — 8.5 — 9 — 10 — 12 — 18 ns
Through Clock to Output Invalid tKQX 3 — 3 — 3 — 3 — 3 — 3 — ns
Clock to Output in Low-Z _tLZ¹
3 — 3 — 3 — 3 — 3 — 3 — ns
Clock HIGH Time
tKH 1.3 — 1.3 — 1.3 — 1.3 — 1.3 — 1.3 — ns
Clock LOW Time
tKL
1.5 — 1.5 — 1.5 — 1.5 — 1.5 — 1.5 — ns
Clock to Output in High-Z _tHZ¹ 1.5 3.2 1.5 3.5 1.5 3.8 1.5 4 1.5 5 1.5 6 ns
G to Output Valid
tOE
— 3.2 — 3.5 — 3.8 — 4 — 5 — 6 ns
G to output in Low-Z
tOLZ¹
0
— 0 — 0 — 0 — 0 — 0 — ns
G to output in High-Z _tOHZ¹ — 3.2 — 3.5 — 3.8 — 4 — 5 — 6 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
ZZ setup time
tZZS²
5
— 5 — 5 — 5 — 5 — 5 — ns
ZZ hold time
tZZH²
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: 1.12 10/2004
14/22
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2000, GSI Technology