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NXP Semiconductors Electronic Components Datasheet

PCF1179C Datasheet

4-digit duplex LCD car clock

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PCF1179C
4-digit duplex LCD car clock
Rev. 3 — 12 February 2015
Product data sheet
1. General description
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.
Time calibration and voltage regulator are electrically programmable via an on-chip
EEPROM. The circuit is battery-operated via an internal voltage regulator and an external
resistor.
2. Features and benefits
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
Description
Version
plastic small outline package; 28 leads; SOT136-1
body width 7.5 mm
3.1 Ordering options
Table 2. Ordering options
Product type number Orderable part number Sales item
(12NC)
Delivery form
PCF1179CT
PCF1179CT,112
935059760112 Tube
PCF1179CT
PCF1179CT,118
935059760118 Reel Pack, SMD, 13 inch
IC
revision
1
1


NXP Semiconductors Electronic Components Datasheet

PCF1179C Datasheet

4-digit duplex LCD car clock

No Preview Available !

NXP Semiconductors
4. Marking
Table 3. Marking codes
Type number
PCF1179CT
5. Block diagram
PCF1179C
4-digit duplex LCD car clock
Marking code
PCF1179CT
%3
%3
26&B,1
26&B287
6(/
'$7$
'(&2'(5
'(&2'(5
3&)&
$030
&2817(5
+2856
&2817(5
0,187(6
&2817(5
6(&21'6
&2817(5
26&,//$725
$'-867$%/(',9,'(5
((3520
6
6
02'(
&21752/
/2*,&
VHJPHQW
GULYHUV
933
)/$6+
76
(1$%/(
966
92/7$*(
5(*8/$725
9''
Fig 1. Block diagram of PCF1179C
DDD
PCF1179C
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 12 February 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
2 of 25


Part Number PCF1179C
Description 4-digit duplex LCD car clock
Maker NXP
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PCF1179C Datasheet PDF






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