Datasheet

PIC16F5X
DS41213D-page 66 © 2007 Microchip Technology Inc.
FIGURE 11-5: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER TIMING -– PIC16F5X
TABLE 11-3: RESET, WATCHDOG TIMER AND DEVICE RESET TIMER – PIC16F5X
AC CHARACTERISTICS
Standard Operating Conditions (unless otherwise specified)
Operating Temperature -40°C ≤ TA ≤ +85°C for industrial
-40°C ≤ T
A ≤ +125°C for extended
Param
No.
Sym. Characteristic Min. Typ† Max. Units Conditions
30 TMCLMCLR Pulse Width (low) 2000* — — ns VDD = 5.0V
31 TWDT Watchdog Timer Time-out Period
(No Prescaler)
9.0*
9.0*
18*
18*
30*
40*
ms VDD = 5.0V (industrial)
V
DD = 5.0V (extended)
32 TDRT Device Reset Timer Period 9.0*
9.0*
18*
18*
30*
40*
ms VDD = 5.0V (industrial)
V
DD = 5.0V (extended)
34 T
IOZ I/O high-impedance from MCLR
Low
100* 300* 2000* 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
(1)
32
32
34
30
Note 1: Please refer to Figure 11-2 for load conditions.