Datasheet

 1997-2013 Microchip Technology Inc. Preliminary DS30453E-page 77
PIC16C5X
FIGURE 12-4: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER TIMING -
PIC16C54/55/56/57
TABLE 12-3: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER - PIC16C54/55/56/57
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
–40°C  T
A  +125°C for extended
Param
No. Symbol Characteristic Min Typ† Max Units Conditions
30 TmcL MCLR
Pulse Width (low) 100* — — ns VDD = 5.0V
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 TioZ I/O Hi-impedance from MCLR Low — — 100* ns
* These parameters are characterized but not tested.
† Data in the Typical (“Typ”) column is at 5.0V, 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 12-1 for load conditions.