PIC16C58B-40 Datasheet, PDF (164/194 Pages) Microchip Technology – EPROM/ROM-Based 8-bit CMOS Microcontroller Series

PIC16C5X
FIGURE 19-5:
RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER TIMING - PIC16C5X-40
VDD
MCLR
Internal
POR
32
DRT
Time-out
Internal
RESET
Watchdog
Timer
RESET
I/O pin⁽¹⁾
30
32
32
31
34
34
.Note 1: Please refer to Figure 19-2 for load conditions.
TABLE 19-3: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER - PIC16C5X-40
Standard Operating Conditions (unless otherwise specified)
AC Characteristics Operating Temperature 0°C ≤ TA ≤ +70°C (commercial)
Operating Voltage VDD range is described in Section 19.1.
Param
No. Symbol
Characteristic
Min Typ† Max Units
Conditions
30
TmcL MCLR Pulse Width (low)
1000* — — ns VDD = 5.0V
31
Twdt Watchdog Timer Time-out Period 9.0* 18* 30* ms VDD = 5.0V (Comm)
(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 Low 100* 300* 1000* ns
* 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.
DS30453D-page 162
Preliminary
© 2002 Microchip Technology Inc.