Datasheet

PIC16C5X
DS30453E-page 114 Preliminary  1997-2013 Microchip Technology Inc.
FIGURE 15-4: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER TIMING - PIC16C54A
TABLE 15-3: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER - PIC16C54A
AC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature 0C  T
A  +70C for commercial
–40C  T
A  +85C for industrial
–20C  T
A  +85C for industrial - PIC16LV54A-02I
–40C  T
A  +125C for extended
Param
No. Symbol Characteristic Min Typ† Max Units Conditions
30 TmcL MCLR
Pulse Width (low) 100*
1
—
—
—
—
ns
s
VDD = 5.0V
V
DD = 5.0V (PIC16LV54A only)
31 Twdt Watchdog Timer Time-out
Period (No Prescaler)
9.0* 18* 30* ms V
DD = 5.0V (Comm)
32 T
DRT Device Reset Timer Period 9.0* 18* 30* ms VDD = 5.0V (Comm)
34 Tio
Z I/O Hi-impedance from MCLR
Low
—
—
—
—
100*
1s
ns
— (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.
VDD
MCLR
Internal
POR
DRT
Time-out
Internal
RESET
Watchdog
Timer
RESET
32
31
34
I/O pin
32
32
34
(Note 1)
30
Note 1: Please refer to Figure 15-1 for load conditions.