PCF1252 Ver la hoja de datos (PDF) - Philips Electronics

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PCF1252

Threshold detector and reset generator

Philips Electronics 

Philips Semiconductors

Threshold detector and reset generator

Product specification

PCF1252-X family

handbook, full pagewidth

supply voltage

typ. = 0.6 V

Vhys

VTRIP

VDD

0V

POWF

undefined

output

RESET

(SELECT = VSS)

undefined

output

reset

tR

0V

reset

tS

tR

0V

MGC917

tR = reset time (duration of reset pulse).

tS = save time (time between assertion of POWF and assertion of the reset output). This time can be used for storing of critical data and orderly system

shut-down.

Vhys = hysteresis voltage (prevents oscillation around VTRIP).

Fig.3 Timing diagram.

1998 Apr 16

6

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