MB89143 View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB89143

8-bit Proprietary Microcontroller

Fujitsu 

MB89143A/144A

(3) Clock Timing

Parameter

Clock frequency

Clock cycle time

Input clock pulse

width

Input clock rising/

falling time

Symbol Pin

FCH

FCL

tXCYL

tLXCYL

PWH

PWL

PWHL

PWLL

tCR

tCF

X0, X1

X0A, X1A

X0, X1

X0A, X1A

X0

X0A

X0, X0A

Condition

—

—

—

—

—

—

—

Min.

2

—

125

—

30

—

(AVSS = VSS = 0.0 V, TA = –40°C to +85°C)

Value

Typ.

Unit

Max.

Remarks

—

8 MHz

32.768 — kHz

—

500 ns

30.5

— µs

—

— ns

External clock

15.2

— ns

—

—

10 ns External clock

X0 and X1 Timings and Conditions

PWH

tCR

tXCYL

PWL

tCF

0.8 VCC

0.8 VCC

X0

0.2 VCC

0.2 VCC

0.2 VCC

Main Clock Conditions

When a crystal

or

ceramic resonator is used

When an external clock is used

X0

X1

X0

X1

Open

C0

C1

23

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