PIC16LV54A Ver la hoja de datos (PDF) - Microchip Technology

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Fabricante

PIC16LV54A

EPROM-Based 8-Bit CMOS Microcontroller Series

Microchip Technology 

Enhanced PIC16LV5X

FIGURE 5-4: RESET, WATCHDOG TIMER, AND

DEVICE RESET TIMER TIMING - PIC16LV5XA

VDD

MCLR

Internal

POR

32

DRT

Time-out

30

32

32

Internal

RESET

Watchdog

Timer

RESET

I/O pin

(Note 1)

31

34

34

Note 1: I/O pins must be taken out of hi-impedance mode by enabling the output drivers in software.

TABLE 5-3: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER - PIC16LV5XA

AC Characteristics Standard Operating Conditions (unless otherwise specified)

Operating Temperature

0°C ≤ TA ≤ +70°C (commercial),

–20°C ≤ TA ≤ +85°C (industrial)

Operating Voltage VDD range is described in Section 10.1, Section 10.2 and Section 10.3 of the

Enhanced PIC16C5X data sheet (DS30236B).

Parameter

No.

Sym Characteristic

Min Typ(1) Max Units

Conditions

30

TmcL MCLR Pulse Width (low)

100* — — ns VDD = 3.8V

31

Twdt Watchdog Timer Time-out Period 9.0* 18* 40* ms VDD = 3.8V (Commercial)

(No Prescaler)

32

TDRT Device Reset Timer Period

9.0* 18* 30* ms VDD = 3.8V (Commercial)

34

TioZ I/O Hi-impedance from MCLR Low — — 100* ns

* These parameters are characterized but not tested.

Note 1: Data in the Typical (“Typ”) column is at 3.8V, 25°C unless otherwise stated. These parameters are for design

guidance only and are not tested.

© 1996 Microchip Technology Inc.

Advanced Information

DS40121A-page 15

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