PCF1178CT Просмотр технического описания (PDF) - Philips Electronics

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производитель

PCF1178CT

4-digit duplex LCD car clock

Philips Electronics 

Philips Semiconductors

4-digit duplex LCD car clock

Product specification

PCF1178C

V PP

VDD

VDD 5 V

50 µs

50 µs

clears cells

incrementing counters

DATA

VDD

VDD 5 V

tE

tH tL tH tL

n

t E , t W = 4 to 6 ms

t H = 1 µs

t L = 1 to 1.5 µs

0V

pulse

generators

V PP

SEL

DATA

PCF1178C

V DD

OSC OUT

V SS

OSC IN

50 µs

store pulse

tH

tW

VSS

C ext 47 µF

MSB230

R

6.8 kΩ

12 V

50 µs

Fig.6 Programming diagram.

1997 Apr 16

8

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