IS61NVVP25672 Datasheet, PDF (11/29 Pages) Integrated Silicon Solution, Inc – 256K x 72 and 512K x 36, 18Mb PIPELINE (NO WAIT) STATE BUS SRAM

IS61NVVP25672
IS61NVVP51236
ISSI ^®
READ/WRITE CYCLE SWITCHING CHARACTERISTICS⁽¹⁾ (Over Operating Range)
Symbol Parameter
-250
Min. Max.
-200
Min. Max.
fmax
Clock Frequency
— 250
— 200
tKC
Cycle Time
4.0 —
5—
tKH
Clock High Time
1.7 —
2—
tKL
Clock Low Time
1.7 —
2—
tKQ
Clock Access Time
— 2.6
— 3.0
tKQX⁽²⁾ Clock High to Output Invalid
0.8 —
1.5 —
tKQLZ^(2,3) Clock High to Output Low-Z
0.8 —
1—
tKQHZ^(2,3) Clock High to Output High-Z
— 2.6
— 3.0
tOEQ
Output Enable to Output Valid
— 2.6
— 3.0
tOELZ^(2,3) Output Enable to Output Low-Z
0—
0—
tOEHZ^(2,3) Output Disable to Output High-Z
— 2.6
— 3.0
tAS
Address Setup Time
1.0 —
1.2 —
tWS
Read/Write Setup Time
1.0 —
1.2 —
tCES
Chip Enable Setup Time
1.0 —
1.2 —
tSE
Clock Enable Setup Time
1.0 —
1.2 —
tADVS
Address Advance Setup Time
1.0 —
1.2 —
tDS
Data Setup Time
1.0 —
1.2 —
tAH
Address Hold Time
0.5 —
0.5 —
tHE
Clock EnableHold Time
0.5 —
0.5 —
tWH
Write Hold Time
0.5 —
0.5 —
tCEH
Chip Enable Hold Time
0.5 —
0.5 —
tADVH
Address Advance Hold Time
0.5 —
0.5 —
tDH
Data Hold Time
0.5 —
0.5 —
tPDS
ZZ High to Power Down
—2
—2
tPUS
ZZ Low to Power Down
—2
—2
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 load in Figure 2.
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc
cyc
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
11
ADVANCED INFORMATION Rev. 00A
07/17/02