PIC12F683 datasheet(125/148 Pages) MICROCHIP

125 / 148 page

 2004 Microchip Technology Inc.

Preliminary

DS41211B-page 123

PIC12F683

TABLE 15-4:

RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER

AND BROWN-OUT DETECT REQUIREMENTS

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +125°C

Param

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

TMCLMCLR Pulse Width (low)

—

µs

VDD = 5V, -40°C to +85°C

Extended temperature

TWDT

Watchdog Timer Time-out

Period (no prescaler)

VDD = 5V, -40°C to +85°C

Extended temperature

TOST

Oscillation Start-up Timer

Period

—

1024TOSC

——

TOSC = OSC1 period

33*

TPWRT

Power-up Timer Period

28*

TBD

132*

TBD

VDD = 5V, -40°C to +85°C

Extended Temperature

TIOZ

I/O High-impedance from

MCLR Low or Watchdog Timer

Reset

——

2.0

µs

BVDD

Brown-out Detect Voltage

2.025

—

2.175

TBOD

Brown-out Detect Pulse Width

100*

—

µsVDD ≤ BVDD (D005)

Brown-out Detect Response

Time

——

µs

TRD

Brown-out Detect Retriggerable

Delay Time

510

µs

Legend: TBD = To Be Determined

These parameters are characterized but not tested.

† Data in ‘Typ’ column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

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