SL811HS

Document 38-08008 Rev. *F

Page 25 of 32

Bus Interface Timing Requirements

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 170 ns

minimum.

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

Parameter

Description

Min

Typ

Max

Write pulse width

85 ns

Chip select set-up to nWR LOW

0 ns

Chip select hold time

After nWR HIGH

0 ns

A0 address set-up time

85 ns

A0 address hold time

10 ns

Data to Write HIGH set-up time

85 ns

Data hold time after Write HIGH

5 ns

nCS inactive to nCS* asserted

85 ns

NWR HIGH

85 ns

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