PIC16C54-LP datasheet(79/194 Pages) MICROCHIP

79 / 194 page

Preliminary

DS30453D-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

≤ TA ≤ +70°C for commercial

–40°C

≤ TA ≤ +85°C for industrial

–40°C

≤ TA ≤ +125°C for extended

Param

No.

Symbol

Characteristic

Min

Typ†

Max

Units

Conditions

TmcL

MCLR Pulse Width (low)

100*

——ns

VDD = 5.0V

Twdt

Watchdog Timer Time-out Period

(No Prescaler)

9.0*

18*

30*

VDD = 5.0V (Comm)

TDRT

Device Reset Timer Period

9.0*

18*

30*

VDD = 5.0V (Comm)

TioZ

I/O Hi-impedance from MCLR Low

—

100*

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

(Note 1)

Note

1: Please refer to Figure 12-1 for load conditions.

PIC16C54-LP Datasheet(PDF) 79 Page - Microchip Technology

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