PIC16F5X datasheet(70/90 Pages) MICROCHIP

70 / 90 page

PIC16F5X

DS41213C-page 68

 2004 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

≤ TA ≤ +125°C for extended

Param

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

TMCLMCLR Pulse Width (low)

2000*

—

VDD = 5.0V

TWDT

Watchdog Timer Time-out Period

(No Prescaler)

9.0*

18*

30*

40*

VDD = 5.0V (industrial)

VDD = 5.0V (extended)

TDRT

Device Reset Timer Period

9.0*

18*

30*

40*

VDD = 5.0V (industrial)

VDD = 5.0V (extended)

TIOZ

I/O high-impedance from MCLR

Low

100*

300* 2000*

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

I/O pin(1)

Note 1:

Please refer to Figure 11-2 for load conditions.

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