PCF1179C - 4-digit duplex LCD car clock

NXP Semiconductors

Datasheet Details

The PCF1179C is a single chip, 4.19 MHz car clock circuit providing hours, minutes, and seconds functions.

It is designed to drive a 4-digit duplex liquid crystal display (LCD).

Two external single-pole, single-throw push buttons accomplish all time setting functions.

PCF1179C 4-digit duplex LCD car clock Rev.

3 — 12 February 2015 Product data sheet 1.

Internal voltage regulator is electrically programmable for various LCD voltages.
Time calibration is electrically programmable (no trimming capacitor required).
LCD voltage adjusts with temperature for a good contrast.
4.19 MHz oscillator.
12-hour or 24-hour mode.
Operating ambient temperature: 40 C to +85 C.
28-lead plastic SMD (SO28).
4 Hz set mode. 3. Ordering information Table 1. Ordering information Type number Package Name PCF1179CT SO28.

Part Number	Description
PCF1171C	4-digit LCD car clock
PCF1172C	31/2-digit LCD car clock
PCF1174C	4-digit static LCD car clock
PCF1175C	4-digit duplex LCD car clock
PCF1178C	4-digit duplex LCD car clock
PCF1252-0	Threshold detector and reset generator
PCF1252-1	Threshold detector and reset generator
PCF1252-2	Threshold detector and reset generator
PCF1252-3	Threshold detector and reset generator
PCF1252-4	Threshold detector and reset generator