PCF1171CU Philips Semiconductors, PCF1171CU Datasheet - Page 2

• Manufacturer Part Number: PCF1171CU
• Description: 4-digit LCD car clock
• Manufacturer: Philips Semiconductors

Philips Semiconductors
FEATURES
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.
1997 Apr 16
PCF1171CT
PCF1171CU
Driving standard 3
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).
4-digit LCD car clock
NUMBER
TYPE
VSO40
1
NAME
2
or a 4-digit LCD
plastic very small outline package; 40 leads; face down
uncased chip in tray
(2)
DESCRIPTION
2
GENERAL DESCRIPTION
The PCF1171C is a single chip, 4.19 MHz CMOS car clock
circuit indicating hours and minutes. It is designed to drive
a 3
Two external single-pole, single-throw switches will
accomplish all time setting functions. A bonding option
allows the selection of 12-hour or 24-hour display mode.
The circuit is battery-operated via an internal 5 V voltage
regulator or by an external stabilized voltage supply.
PACKAGE
1
2
or 4-digit liquid crystal display (LCD).
(1)
Product specification
PCF1171C
SOT158-2
VERSION