Key facts
- Brand
- Philips
- Model
- PCF1172C
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-04
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Philips PCF1172C 31/2-digit LCD Car Clock Datasheet
Datasheet 16 pages · 102 KB · EN
The PCF1172C is a single-chip, 4.19 MHz CMOS clock circuit designed to drive a 3-digit liquid crystal display (LCD) with AM and PM indicators. It features an internal voltage regulator for 5 V LCD operation or an option for an external stabilized voltage supply. Time setting is accomplished using two external single-pole, single-throw switches.
Read onlinePhilips PCF1172C specifications
| Oscillator frequency | 4.19 MHz |
|---|---|
| Operating ambient temperature | -40 to +85 °C |
| Package type | 40-lead plastic SMD, face down |
| Supply voltage (internal regulation) | 4 to 6 V |
| Supply voltage (external regulation) | 3 to 6 V |
| Current consumption (internal regulation) | 50 to 700 µA |
All Philips PCF1172C documents by type
Datasheet 2
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
Does the PCF1172C include an internal voltage regulator?
Yes, it has an internal voltage regulator for 5 V LCD operation.
How many switches are needed for time setting?
Two external single-pole, single-throw switches are required.
How is the clock powered?
The circuit is battery-operated via an internal 5 V voltage regulator or by an external stabilized voltage supply.
How are time setting functions accomplished?
Two external single-pole, single-throw switches will accomplish all time setting functions.