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SL811HS
Document #: 38-08008 Rev. *A
Page 24 of 29
7.6
Bus Interface Timing Requirements
7.6.1
I/O Write Cycle
Note: nCS an be held LOW for multiple Write cycles provided nWR is cycled.
Write Cycle Time for Auto Inc Mode Writes is 150 ns minimum.
Parameter
Description
Min.
Typ.
Max.
tWR
Write pulse width
65 ns
tWCSU
Chip select set-up to nWR LOW
0 ns
tWSHLD
Chip select hold time
After nWR HIGH
0 ns
tWASU
A0 address set-up time
65 ns
tWAHLD
A0 address hold time
10 ns
tWDSU
Data to Write HIGH set-up time
60 ns
tWDHLD
Data hold time after Write HIGH
5 ns
tCSCS
nCS inactive to nCS* asserted
85 ns
tWRHIGH
NWR HIGH
85 ns
nWR
A0
D0-D7
DATA
twr
twahld
twdhld
twasu
twdsu
twdsu
twdhld
I/O Write Cycle to Register or Memory Buffer
Register or Memory
Address
nCS
twcsu
twshld
Tcscs See Note.
twrhigh
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