MSM80C85 Ver la hoja de datos (PDF) - Oki Electric Industry

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MSM80C85

8-Bit CMOS MICROPROCESSOR

Oki Electric Industry 

¡ Semiconductor

MSM80C85AHRS/GS/JS

Read operation with Wait Cycle (Typical)–

same READY timing applies to WRITE operation

T1

T2

TWAIT

CLK

A8~A15

AD0~AD7

ALE

RD / INTA

READY

tLCK

Address

Address

tLL

tLA

tAFR

tAL

tCL

tAC

tARY

tAD

tLDR

tRD

tCC

tRYS tRYH

tLRY

Note: READY must remain stable during setup and hold times.

T3

T1

tCA

tRDH

tRAE

Data In

tCL

Figure 7 MSM80C85AH Bus Timing, With and Without Wait

HOLD OPERATION

T2

T3

CLK

HOLD

HLDA

BUS

tHDS

tHDH

tHACK

tHABF

(Address, Controls)

THOLD

THOLD

T1

tHABE

Figure 8 MSM80C85AH Hold Timing

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