MTCH102/5/8

DS40001793C-page 14

Preliminary

 2015-2016 Microchip Technology Inc.

FIGURE 5-3:

BROWN-OUT RESET TIMING AND CHARACTERISTICS

TABLE 5-1:

OSCILLATOR START-UP TIMER, POWER-UP TIMER AND BROWN-OUT RESET

PARAMETERS

Standard Operating Conditions (unless otherwise stated)

Operating Temperature -40°C

Param.

No.

Sym.

Characteristic

Min.

Typ.†

Max.

Units

Conditions

33*

Power-up Timer Period

40

65

140

ms

34*

I/O High-impedance from RESET

Low or Watchdog Timer Reset

——

2.0

s

35

Brown-out Reset Voltage

1.80

1.9

2.05

V

BORV = 1.9V

37*

Brown-out Reset Hysteresis

0

25

50

mV

-40°C to +85°C

38*

Time

01

40

*

These parameters are characterized but not tested.

† Data in “Typ.” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

(Device in Brown-out Reset)

(Device not in Brown-out Reset)

33

Reset

(due to BOR)

37