PCF1303 View Datasheet(PDF) - Philips Electronics

Part Name

Description

MFG CO.

PCF1303

18-element bar graph LCD driver

Philips Electronics 

Philips Semiconductors

18-element bar graph LCD driver

PIN DESCRIPTION

PIN NO.

1

4

5

6 to 23

24

25

26

27

28

SYMBOL

Vosc

I1

VSS

Q1 to Q18

QR

Vc

Vref min

Vref max

VDD

NAME AND FUNCTION

oscillator pin

mode select input

ground (0 V)

segment outputs

back-plane output

control voltage

reference voltage inputs

positive supply voltage

FUNCTION TABLE

I1

L

H

MODE

pointer

thermometer

H = HIGH voltage level

L = LOW voltage level

Product specification

PCF1303T

(1) Pins 2 and 3 should be connected to VSS.

Fig.2 Pin configuration.

November 1986

3

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