16F506 datasheet(97/114 Pages) MICROCHIP

97 / 114 page

Preliminary

DS41268B-page 95

PIC12F510/16F506

TABLE 13-8:

RESET, WATCHDOG TIMER AND DEVICE RESET TIMER

FIGURE 13-9:

TIMER0 CLOCK TIMINGS

TABLE 13-9:

TIMER0 CLOCK REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions (unless otherwise specified)

Operating Temperature -40

°C ≤ TA ≤ +85°C (industrial)

-40

°C ≤ TA ≤ +125°C (extended)

Param

No.

Sym

Characteristic

Min

Typ(1)

Max

Units

Conditions

TMCLMCLR Pulse Width (low)

2000*

—

VDD = 5.0V

TWDT Watchdog Timer Time-out Period

(No Prescaler)

18*

30*

40*

VDD = 5.0V (Commercial)

VDD = 5.0V (Extended)

TDRT

Device Reset Timer Period

Standard

18*

30*

40*

VDD = 5.0V (Industrial)

VDD = 5.0V (Extended)

Short

0.5*

1.125*

2.5*

VDD = 5.0V (Industrial)

VDD = 5.0V (Extended)

TIOZ

I/O high-impedance from MCLR low

—

2000*

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.

AC CHARACTERISTICS

Standard Operating Conditions (unless otherwise specified)

Operating Temperature -40

°C ≤ TA ≤ +85°C (industrial)

-40

°C ≤ TA ≤ +125°C (extended)

Parm

No.

Sym

Characteristic

Min

Typ(1)

Max

Units

Conditions

Tt0H

T0CKI High Pulse Width No Prescaler

0.5 TCY + 20*

—

With Prescaler

10*

—

Tt0L

T0CKI Low Pulse Width No Prescaler

0.5 TCY + 20*

—

With Prescaler

10*

—

Tt0P

T0CKI Period

20 or TCY + 40* N

—

Whichever is greater.

N = Prescale Value

(1, 2, 4,..., 256)

These parameters are characterized but not tested.

Note

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.

T0CKI

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