CF745 datasheet(65/217 Pages) MICROCHIP

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Preliminary

DS30453B-page 65

PIC16C52

PIC16C5X

FIGURE 10-4: RESET AND DEVICE RESET TIMER TIMING - PIC16C52

TABLE 10-3:

RESET AND DEVICE RESET TIMER - PIC16C52

AC Characteristics Standard Operating Conditions (unless otherwise speciﬁed)

Operating Temperature

°C ≤ TA ≤ +70°C (commercial)

–40

°C ≤ TA ≤ +85°C (industrial)

Operating Voltage VDD range is described in Section 10.1.

Parameter

No.

Sym

Characteristic

Min

Typ(1)

Max

Units

Conditions

TmcL

MCLR Pulse Width (low)

100*

—

VDD = 5 V

TDRT

Device Reset Timer Period

18*

30*

VDD = 5 V (Commercial)

TioZ

I/O Hi-impedance from MCLR Low

—

100*

* These parameters are characterized but not tested.

Note 1: 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.

VDD

MCLR

Internal

POR

DRT

Time-out

Internal

RESET

I/O pin

(Note 1)

Note 1: I/O pins must be taken out of hi-impedance mode by enabling the output drivers in software.

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