6.42
6
IDT71V432, 32K x 32 CacheRAM
3.3V Synchronous SRAM with Burst Counter, Single Cycle Deselect Commercial and Industrial Temperature Ranges
Synchronous Truth Table
(1,2)
NOTES:
1. L = VIL, H = VIH, X = Don’t Care.
2. ZZ = LOW for this table.
3. OE is an asynchronous input.
Operation
Address
Used
CE
CS
0
CS
1
ADSP ADSC ADV GW BWE BW
X
OE
(3 )
CLK I/O
Deselected Cycle, Power Down None H X X X L X X X X X ↑ Hi-Z
Deselected Cycle, Power Down NoneLXHLXXXXXX
↑
Hi-Z
Deselected Cycle, Power Down NoneLLXLXXXXXX
↑
Hi-Z
Deselected Cycle, Power Down None L X H X L X X X X X ↑ Hi-Z
Deselected Cycle, Power Down None L L X X L X X X X X
↑
Hi-Z
Read Cycle, Begin Burst ExternalLHLLXXXXXL
↑
D
OUT
Read Cycle, Begin Burst ExternalLHLLXXXXXH↑ 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
↑
D
OUT
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
↑
D
IN
Read Cycle, Continue Burst Next X X X H H L H H X L
↑
D
OUT
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
↑
D
IN
Write Cycle, Continue Burst Next H X X X H L H L L X
↑
D
IN
Write Cycle, Continue Burst Next H X X X H L L X X X
↑
D
IN
Read Cycle, Suspend Burst CurrentXXXHHHHHXL↑ D
OUT
Read Cycle, Suspend Burst CurrentXXXHHHHHXH
↑
Hi-Z
Read Cycle, Suspend Burst CurrentXXXHHHHXHL
↑
D
OUT
Read Cycle, Suspend Burst CurrentXXXHHHHXHH↑ Hi-Z
Read Cycle, Suspend Burst CurrentHXXXHHHHXL↑ D
OUT
Read Cycle, Suspend Burst CurrentHXXXHHHHXH
↑
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 CurrentXXXHHHHLLX
↑
D
IN
Write Cycle, Suspend Burst Current X X X H H H L X X X
↑
D
IN
Write Cycle, Suspend Burst Current H X X X H H H L L X ↑ D
IN
Write Cycle, Suspend Burst Current H X X X H H L X X X ↑ D
IN
3104 tbl 07