PIC16LC558-04/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LC558-04/SO

ERROM-based 8-Bit CMOS microcontroller

Microchip Technology 

PIC16C55X

FIGURE 10-8:

VDD

MCLR

Internal

POR

PWRT

Timeout

OSC

Timeout

Internal

RESET

Watchdog

Timer

RESET

I/O Pins

RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP

TIMER TIMING

30

33

32

31

34

34

TABLE 10-3: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP

TIMER REQUIREMENTS

Param

No.

Sym

Characteristic

Min Typ† Max Units

Conditions

30 TmcL MCLR Pulse Width (low)

2000 —

31

Twdt Watchdog Timer Timeout Period

7*

18

(No Prescaler)

— ns -40° to +85°C

33* ms VDD = 5.0V, -40° to +85°C

32

Tost Oscillation Start-up Timer Period — 1024 — — TOSC = OSC1 period

TOSC

33 Tpwrt Power-up Timer Period

28*

72 132* ms VDD = 5.0V, -40° to +85°C

34

TIOZ I/O hi-impedance from MCLR low

—

* These parameters are characterized but not tested.

2.0* µs

† Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

DS40143D-page 84

Preliminary

 2002 Microchip Technology Inc.

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