Philips PCF1172C 3-digit LCD Car Clock User Manual
Summary
Product specification datasheet (April 1997) for the Philips PCF1172C single-chip 3.5-digit LCD car clock IC operating at 4.19 MHz with CMOS technology. Features: internal 5V voltage regulator for LCD, optional external stabilized supply, integrated oscillator output capacitor and polarization resistor, AM/PM annunciator segment outputs, 64 Hz backplane driver for LCD common, and operating temperature range -40°C to +85°C. Time setting via two external single-pole single-throw switches (S1 set h
Page 1 Text Content
查询PCF1172C供应商
INTEGRATED CIRCUITS
DATA SHEET
PCF1172C 31/2-digit LCD car clock
Product specification Apr
Supersedes data of September File under Integrated Circuits, IC16
Page Summary Contents For Philips PCF1172C 3-digit LCD Car Clock User Manual
Manual Details
| Brand | Philips |
|---|---|
| Pages | 16 |
| File Size | 101.74 KB |
| Published | June 16, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What is the operating temperature range for this clock circuit?
The operational ambient temperature range is −40 to +85 °C.
Does the device have internal power management and how does it run?
It has an internal 5V voltage regulator and can be battery-operated or use an external stabilized voltage supply.
How are time settings (hours/minutes) adjusted using the switches?
S1 sets the hour, and S2 resets the seconds. S3 controls ±2 minute correction, while S6 determines single/continuous correction mode.
Are there indicators for AM/PM or other display features?
Yes, it has dedicated segment outputs and annunciators (AM/PM) to indicate time zones and operational status.