PIC18F010T-I/SN 데이터 시트보기 (PDF) - Microchip Technology

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PIC18F010T-I/SN

High Performance Microcontrollers

Microchip Technology 

PIC18F010/020

TABLE 15-5: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER

AND BROWN-OUT RESET REQUIREMENTS

Parameter

No.

Sym

Characteristic

Min

Typ†

Max

Unit

s

Conditions

30

TmcL MCLR Pulse Width (low)

31*

TWDT Watchdog Timer Time-out

Period (No Prescaler)

100

—

7

18

— ns VDD = 5V, -40°C to +85°C

33 ms VDD = 5V, -40°C to +85°C

32

TOST Oscillation Start-up Timer

Period

— 1024TOSC — — TOSC = OSC1 period

33*

TPWRT Power up Timer Period

28

72

132 ms VDD = 5V, -40°C to +85°C

34

TIOZ I/O Hi-Impedance from MCLR —

—

100 ns

Low or Watchdog Timer Reset

35

TBOR Brown-out Reset pulse width 100 —

—

µs VDD ≤ BVDD (D005)

* These parameters are characterized but not tested.

† Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only

and are not tested.

TABLE 15-6: BANDGAP START-UP TIME

Parameter

No.

Symbol

Characteristic

Min Typ† Max Units

Conditions

36* TIVR Internal Voltage Reference

start-up time

—

20

50 µs Defined as the time between

the instant that the Internal

Voltage Reference is enabled

and the moment that the

Internal Voltage Reference is

stable.

* These parameters are characterized but not tested.

† Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only

and are not tested.

 2001 Microchip Technology Inc.

Preliminary

DS41142A-page 155

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