84C840 데이터 시트보기 (PDF) - Philips Electronics

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84C840

8-bit microcontrollers with OSD and VST

Philips Electronics 

Philips Semiconductors

8-bit microcontrollers with OSD and VST

Product specification

84C44X; 84C64X; 84C84X

handbook, full pagewidth

VDD

VDD

V ref

VSS

VDD

RESET

VSS

OSCILLATOR

td

oscillator start up time

Fig.6 Reset with fast rising VDD.

MCD240

handbook, full pagewidth

VDD

VDD

Vmin

Vref

VSS

RESET

without

external

component

VDD

VSS

RESET

with

external

component

VDD

VSS

OSCILLATOR

1996 Nov 29

t VDD

t Vref

td

RC ≥ 8 × tVDD

oscillator start up time

Fig.7 Reset with slow VDD.

9

MCD241

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