 2002-2012 Microchip Technology Inc.

Preliminary

DS21370D-page 3

TC1232

FIGURE 1-1:

Rise Time, Fall Time and Reset Detected to Reset Active Timing Waveforms.

AC CHARACTERISTICS

Parameters

Sym

Min

Typ

Max

Units

Conditions

10

—

—

µs

Note 1

0—

—

µs

Note 1

to RST High and RST Low

—

—

100

ns

to RST High and RST Open

250

610

1000

ms

Note 1:

Ensured by design.

2:

+4.75V

+4.25V

+4.25V

+4.75V

+4.5V (5% Trip Point)

+4.25V (10% Trip Point)

RST

RST

4.6V (5% Trip Point)

4.5V(10% Trip Point)

RST

RST

Determined by

external Pull-up

resistor

Determined by

external Pull-up

resistor