PIC16C57-HS-P Datasheet, PDF (114/192 Pages) Microchip Technology – EPROM/ROM-Based 8-bit CMOS Microcontroller Series

PIC16C5X
FIGURE 15-4:
RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER TIMING - PIC16C54A
VDD
MCLR
Internal
POR
32
DRT
Time-out
30
32
32
Internal
RESET
Watchdog
Timer
RESET
34
I/O pin
(Note 1)
Note 1: Please refer to Figure 15-1 for load conditions.
31
34
TABLE 15-3: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER - PIC16C54A
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
0C  TA  +70C for commercial
AC Characteristics
–40C  TA  +85C for industrial
–20C  TA  +85C for industrial - PIC16LV54A-02I
–40C  TA  +125C for extended
Param
No. Symbol
Characteristic
Min Typ† Max Units
Conditions
30
TmcL MCLR Pulse Width (low)
100* — — ns VDD = 5.0V
1
—
—
s VDD = 5.0V (PIC16LV54A only)
31
Twdt Watchdog Timer Time-out
9.0* 18* 30* ms VDD = 5.0V (Comm)
Period (No Prescaler)
32
TDRT Device Reset Timer Period
9.0* 18* 30* ms VDD = 5.0V (Comm)
34
TioZ I/O Hi-impedance from MCLR — — 100* ns
Low
— — 1s — (PIC16LV54A only)
* These parameters are characterized but not tested.
† Data in the Typical (“Typ”) column is at 5V, 25C unless otherwise stated. These parameters are for design
guidance only and are not tested.
DS30453E-page 114
Preliminary
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