IS61LV632A ISSI
®
12
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
04/17/01
READ/WRITE CYCLE SWITCHING CHARACTERISTICS (Over Operating Range)
-4 -5 -6 -7 -8
Symbol Parameter Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit
tKC Cycle Time 8 — 10 — 12 — 13 — 15 — ns
tKH Clock High Time 4 — 4 — 4 — 6 — 6 — ns
tKL Clock Low Time 4 — 4 — 4 — 6 — 6 — ns
tKQ Clock Access Time — 4 — 5 — 6 — 7 — 8ns
t
KQX
(2)
Clock High to 1.5 — 1.5 — 1.5 — 2 — 2 — ns
Output Invalid
tKQLZ
(2,3)
Clock High to 0 — 0 — 0 — 0 — 0 — ns
Output Low-Z
t
KQHZ
(2,3)
Clock High to 1.5 4 1.5 5 1.5 5 2 6 2 6 ns
Output High-Z
t
OEQ Output Enable to — 4.5 — 4.8 — 6 — 6 — 6ns
Output Valid
tOEQX
(2)
Output Disable to 0 — 0 — 0 — 0 — ns
Output Invalid
tOELZ
(2,3)
Output Enable to 0 — 0 — 0 — 0 — ns
Output Low-Z
tOEHZ
(2,3)
Output Disable to — 4.5 — 4.8 — 6 — 6 — 6ns
Output High-Z
tAS Address Setup Time 2.5 — 2.5 — 2.5 — 2.5 — 2.5 — ns
tSS Address Status 2.5 — 2.5 — 2.5 — 2.5 — 2.5 — ns
Setup Time
tWS Write Setup Time 2.5 — 2.5 — 2.5 — 2.5 — 2.5 — ns
tCES Chip Enable Setup Time 2.5 — 2.5 — 2.5 — 2.5 — 2.5 — ns
tAH Address Hold Time 0.5 — 0.5 — 0.5 — 0.5 — 0.5 — ns
tSH Address Status 0.5 — 0.5 — 0.5 — 0.5 — 0.5 — ns
Hold Time
tWH Write Hold Time 0.5 — 0.5 — 0.5 — 0.5 — 0.5 — ns
tCEH Chip Enable Hold Time 0.5 — 0.5 — 0.5 — 0.5 — 0.5 — ns
tCFG Configuration Setup
(1)
25 — 35 — 45 — 52 — 60 — ns
Notes:
1. Configuration signal MODE is static and must not change during normal operation.
2. Guaranteed but not 100% tested. This parameter is periodically sampled.
3. Tested with the load in Figure 2.
