DP8344 datasheet(130/184 Pages) NSC

130 / 184 page

50 Device Specifications (Continued)

TABLE 5-28 Wait Timing After Remote Access (Note 1)

Symbol

Parameter

Formula

Min

Max

Units

tPD-LCL-AAD

LCL Falling to A AD (Data Address) Valid

THa

tPD-LCL-AAD-BR

LCL Falling to A AD (Data Address) Valid

2Ta

for Buffered Read of RIC

tPD-AAD-ALE

A AD (Data Address) Valid to ALE Falling

Tab16

tSU-WT-LCL

LCL Falling to WAIT Falling to Extend Local Cycle

(max(nDW nIWb1)a1)TaTHab29

tH-WT-LCL

WAIT Rising after LCL Falling

(max(nDW nIWb1)a1)TaTHab3ns

(max(nDW nIWb1)a2)TaTHab28

tH-WT-LCL-BR

WAIT Rising after LCL Falling for Buffered

(max(nDW nIWb1)a3)TaTHa

3ns

read of RIC

tSU-WT-ALEf

WAIT Low Before ALE Falling to Extend Cycle

tH-WT-ALE

WAIT Rising After ALE Falling

(max(nDW nIWb1)a1)Tab28

tSU-WT-AAD

A AD (Data Address) Valid to WAIT Falling

Tab33

to Extend Load Cycle

Note 1

All parameters are individually tested and guaranteed Interpreting this data by numerically adding two or more parameters to create a new timing

specification may lead to invalid results

TLF9336 – I0

FIGURE 5-28 Wait Timing After Remote Access

130

DP8344 Datasheet(PDF) 130 Page - National Semiconductor (TI)

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