F497 Ver la hoja de datos (PDF) - Fujitsu

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F497

16-bit Proprietary Microcontroller

Fujitsu 

MB90495 Series

14.7 External Bus Ready Input Timing

Parameter

Symbol

Pin

Test Condition

RDY setup time

RDY hold time

tRYHS

RDY

—

tRYHH

RDY

Note: If the RDY setup time is insufficient, use the auto-ready function.

(TA = –40 to +85°C, VCC = 4.5 to 5.5 V, VSS = 0 V)

Rated Value

Min.

Max.

Units

Remarks

45

—

ns

0

—

ns

CLK

ALE

RD/WR

RDY

no WAIT is used.

RDY

When WAIT is used

2.4 V

tRYHS

0.8 VCC

tRYHH

0.8 VCC

0.2 VCC

Figure 14.8 Ready Input Timing

MB90495 Series Data Sheet (Advance Information) 31 / 40

FME EMDC June 19, 2000

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