MAX1232C Ver la hoja de datos (PDF) - Maxim Integrated

Número de pieza

componentes Descripción

Fabricante

MAX1232C

Microprocessor Monitor

Maxim Integrated 

MAX1232

Microprocessor Monitor

PB RST

tPB

tPBD

VIL

RST

RST

VIH

tRST

Figure 3. Pushbutton Reset. The debounced PBRST input

ignores input pulses less than 1ms and is guaranteed to

recognize pulses of 20ms or greater.

tST

ST

tTD

NOTE: tSD IS THE MAXIMUM ELAPSED TIME BETWEEN ST HIGH-TO-LOW

TRANSITIONS (ST IS ACTIVATED BY FALLING EDGES ONLY) WHICH WILL

KEEP THE WATCHDOG TIMER FROM FORCING THE RESET OUTPUTS

ACTIVE FOR A TIME OF tRST. tTD IS A FUNCTION OF THE VOLTAGE AT

THE TD PIN, AS TABULATED BELOW.

CONDITION

TD pin = 0V

TD pin = open

TD pin = VCC

MIN

62.5ms

250ms

500ms

tTD

TYP

150ms

250ms

1200ms

MAX

250ms

1000ms

2000ms

Figure 4. Watchdog Strobe Input

tF

VCC

+4.75V

+4.25V

Figure 5. Power-Down Slew Rate

tR

+4.75V

+4.25V

VCC

Figure 6. Power-Up Slew Rate

www.maximintegrated.com

Maxim Integrated │  5

Share Link: