MSM66573 查看數據表（PDF） - Oki Electric Industry

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MSM66573

16-Bit Microcontroller

Oki Electric Industry 

1Semiconductor

PEDL66573-02

MSM66573 Family

AC Characteristics 2 (VDD = 2.4 to 3.6 V)

(1) External program memory control

Parameter

Cycle time

Clock pulse width (HIGH level)

Clock pulse width (LOW level)

PSEN pulse width

PSEN pulse delay time

Address setup time

Address hold time

Instruction setup time

Instruction hold time

Read data access time

Symbol

tcyc

tφWH

tφWL

tPW

tPD

tAS

tAH

tIS

tIH

tACC

MSM66573L/Q573L (VDD=2.4 to 3.6 V, Ta=–30 to +70°C)

MSM66P573 (VDD=2.7 to 3.6 V, Ta=–30 to +70°C)

Condition

Min.

Max.

Unit

fOSC=14 MHz

71.4

—

28

—

28

—

2tφ–25*1

—

CL=50 pF

—

75

tφ–40

—

ns

-8*2

—

60

—

-8*2

—

—

3tφ–120

Note: t =tcyc/2

*1: MSM66P573=2t –20

*2: MSM66P573=0

CPUCLK

PSEN

A0 to A19

D0 to D7

tcyc

tφWH

tφWL

tPD

tPW

PC0 to 19

tAS

tAH

INST0 to 7

tACC

tIS

tIH

Bus timing during no wait cycle time

20/28

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