6.42
10
IDT71V3577S_79S, IDT71V3577SA_79SA, 128K x 36, 256K x 18, 3.3V Synchronous SRAMs with
3.3V I/O, Flow-Through Outputs, Burst Counter, Single Cycle Deselect Commercial and Industrial Temperature Ranges
Synchronous Truth Table
(1,3)
NOTES:
1. L = VIL, H = VIH, X = Don’t Care.
2. OE is an asynchronous input.
3. ZZ - low for the table.
Operation Address
Used
CE
CS
0
CS1 ADSP ADSC ADV GW BWE BWx OE
(2 )
CLK I/O
Deselected Cycle, Power Down NoneHXXX LXXXXX↑ HI-Z
Deselected Cycle, Power Down NoneLXHL XXXXXX
↑
HI-Z
Deselected Cycle, Power Down NoneLLX L XXXXXX↑ HI-Z
Deselected Cycle, Power Down NoneLXHX L XXXXX↑ HI-Z
Deselected Cycle, Power Down NoneLLX X L XXXXX↑ HI-Z
Read Cycle, Begin Burst ExternalLHL L XXXXXL
↑
D
OUT
Read Cycle, Begin Burst ExternalLHL L XXXXXH↑ HI-Z
Read Cycle, Begin Burst External L H L H L X H H X L
↑
D
OUT
Read Cycle, Begin Burst External L H L H L X H L H L ↑ DOUT
Read Cycle, Begin Burst External L H L H L X H L H H ↑ HI-Z
Write Cycle, Begin Burst External L H L H L X H L L X ↑ D
IN
Write Cycle, Begin Burst External L H L H L X L X X X
↑
DIN
Read Cycle, Continue Burst Next X X X H H L H H X L ↑ DOUT
Read Cycle, Continue Burst Next X X X H H L H H X H ↑ HI-Z
Read Cycle, Continue Burst Next X X X H H L H X H L
↑
D
OUT
Read Cycle, Continue Burst Next X X X H H L H X H H ↑ HI-Z
Read Cycle, Continue Burst Next H X X X H L H H X L
↑
D
OUT
Read Cycle, Continue Burst Next H X X X H L H H X H ↑ HI-Z
Read Cycle, Continue Burst Next H X X X H L H X H L ↑ D
OUT
Read Cycle, Continue Burst Next H X X X H L H X H H ↑ HI-Z
Write Cycle, Continue Burst Next X X X H H L H L L X
↑
D
IN
Write Cycle, Continue Burst Next X X X H H L L X X X ↑ DIN
Write Cycle, Continue Burst Next H X X X H L H L L X
↑
DIN
Write Cycle, Continue Burst Next H X X X H L L X X X
↑
DIN
Read Cycle, Suspend Burst Current X X X H H H H H X L ↑ DOUT
Read Cycle, Suspend Burst Current X X X H H H H H X H ↑ HI-Z
Read Cycle, Suspend Burst Current X X X H H H H X H L ↑ D
OUT
Read Cycle, Suspend Burst Current X X X H H H H X H H ↑ HI-Z
Read Cycle, Suspend Burst Current H X X X H H H H X L ↑ D
OUT
Read Cycle, Suspend Burst Current H X X X H H H H X H
↑
HI-Z
Read Cycle, Suspend Burst Current H X X X H H H X H L ↑ D
OUT
Read Cycle, Suspend Burst Current H X X X H H H X H H
↑
HI-Z
Write Cycle, Suspend Burst Current X X X H H H H L L X ↑ D
IN
Write Cycle, Suspend Burst Current X X X H H H L X X X ↑ DIN
Write Cycle, Suspend Burst Current H X X X H H H L L X ↑ DIN
Write Cycle, Suspend Burst Current H X X X H H L X X X
↑
DIN
6450 tbl 11