Rainbow-electronics AT89C5122 Manual de usuario descargar pdf (Pagina 195)

100

101

195

AT8xC5122/23

4202E–SCR–06/06

External Data Memory

Characteristics

Table 116. Symbol Description

Symbol Parameter

RLRH

RD Pulse Width

WLWH

WR Pulse Width

RLDV

RD to Valid Data In

RHDX

Data Hold After RD

RHDZ

Data Float After RD

LLDV

ALE to Valid Data In

AVDV

Address to Valid Data In

LLWL

ALE to WR or RD

AVWL

Address to WR or RD

QVWX

Data Valid to WR Transition

QVWH

Data set-up to WR High

WHQX

Data Hold After WR

RLAZ

RD Low to Address Float

WHLH

RD or WR High to ALE high

1 2 ... 190 191 192 193 194 195 196 197 198 199 200 ... 212 213

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