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參數資料
| 型號： | 935006010118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 時鐘及定時 |
| 英文描述： | LCD CLOCK, PDSO28 |
| 封裝： | 7.50 MM, PLASTIC, SOT-136-1, MS-013AE, SOP-28 |
| 文件頁數： | 14/22頁 |
| 文件大小： | 153K |
| 代理商： | 935006010118 |
Philips Semiconductors - PIP - PCF1178C; 4-digit duplex LCD car clock
Product Information
PCF1178C; 4-digit
duplex LCD car
clock
Information as of 2003-04-22
Stay informed
Download datasheet
Applications
Block diagram
Support & tools
topGeneral description
The PCF1178C is a single chip, 4.19 MHz CMOS 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 switches will 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.
topFeatures
q
Internal voltage regulator is electrically programmable for various LCD voltages
q
Time calibration is electrically programmable (no trimming capacitor required)
q
LCD voltage adjusts with temperature for good contrast
q
4.19 MHz oscillator
q
12-hour or 24-hour mode
q
Operating ambient temperature: -40 to +85 °C
q
28-lead plastic SMD (SO28)
q
1 Hz set mode.
topDatasheet
Page
count
File size
(kB)
Datasheet
PCF1178C
4-digit
duplex LCD
car clock
4/16/1997
Product specification 20
97
file:///G|/imaging/BITTING/CPL/20030424/04232003_9/PHGL/_HTML04232003/PCF1178CT.html (1 of 2) [May-08-2003 12:17:37 PM]
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