P12C508 datasheet(60/84 Pages) MICROCHIP

60 / 84 page

PIC12C5XX

DS40139A-page 60

Advance Information

FIGURE 10-5: TIMER0 CLOCK TIMINGS - PIC12C5XX

TABLE 10-4:

TIMER0 CLOCK REQUIREMENTS - PIC12C5XX

TABLE 10-5:

MCLR PULL-UP RESISTOR RANGES

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

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*

—

Whichever is greater.

N = Prescale Value

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

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 (Volts)

Temperature (

°C)

Min

Typ

Max

Units

2.5

-40

43*

100*

Ω

2.5

47*

111*

Ω

2.5

50*

119*

Ω

5.5

-40

Ω

5.5

30*

56*

Ω

5.5

Ω

These parameters are characterized but not tested.

T0CKI

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