PCF1172CT datasheet(2/16 Pages) PHILIPS

номер детали	PCF1172CT

подробное описание детали	31/2-digit LCD car clock

PDF	16 Pages

Scroll/Zoom	100%

производитель	PHILIPS [NXP Semiconductors]

домашняя страница	http://www.nxp.com

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2 / 16 page

1997 Apr 16

Philips Semiconductors

Product speciﬁcation

31/2-digit LCD car clock

PCF1172C

FEATURES

• Driving standard 31⁄2-digit LCD with AM and PM

indicators

• Internal voltage regulator for 5 V LCD

• Option for external stabilized voltage supply

• 4.19 MHz oscillator

• Integrated oscillator output capacitor and polarization

resistor

• Operating ambient temperature: −40 to +85 °C

• 40-lead plastic SMD, face down (VSO40).

GENERAL DESCRIPTION

The PCF1172C is a single chip, 4.19 MHz CMOS clock

circuit indicating hours and minutes. It is designed to drive

a 31

⁄2-digit liquid crystal display (LCD) with AM and PM

indicators.

Two external single-pole, single-throw switches will

accomplish all time setting functions. The circuit is

battery-operated via an internal 5 V voltage regulator or by

an external stabilized voltage supply.

ORDERING INFORMATION

Notes

1. See Fig.1 and Chapter “Package outline” for pin layout and package details.

2. See Chapter “Chip dimensions and bonding pad locations” for pad layout and package details.

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

PCF1172CT

VSO40

plastic very small outline package; 40 leads; face down(1)

SOT158-2

PCF1172CU

−

uncased chip in tray(2)

−

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