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PCF1175C 데이터시트(PDF) 4 Page - NXP Semiconductors

부품명 PCF1175C
상세설명  4-digit duplex LCD car clock
PDF  20 Pages
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제조업체  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF1175C 데이터시트(HTML) 4 Page - NXP Semiconductors

  PCF1175C Datasheet HTML 1Page - NXP Semiconductors PCF1175C Datasheet HTML 2Page - NXP Semiconductors PCF1175C Datasheet HTML 3Page - NXP Semiconductors PCF1175C Datasheet HTML 4Page - NXP Semiconductors PCF1175C Datasheet HTML 5Page - NXP Semiconductors PCF1175C Datasheet HTML 6Page - NXP Semiconductors PCF1175C Datasheet HTML 7Page - NXP Semiconductors PCF1175C Datasheet HTML 8Page - NXP Semiconductors PCF1175C Datasheet HTML 9Page - NXP Semiconductors Next Button
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1997 Apr 16
4
Philips Semiconductors
Product specification
4-digit duplex LCD car clock
PCF1175C
FUNCTIONAL DESCRIPTION AND TESTING
Outputs
The circuit outputs 1 : 2 multiplexed data (duplex) to the
LCD. Generation of BP1 and BP2 (three-level backplane
signals) and the output signals are shown in Fig.4.
The average voltages across the segments are:
1. VON(RMS) = 0.79 VDD
2. VOFF(RMS) = 0.35 VDD.
Fig.2 Segment designation of LCD.
MSA992
A2
G2
D2
F2
E2
B2
C2
P1 (P3)
P2 (P4)
A3
G3
D3
F3
E3
B3
C3
A4
G4
D4
F4
E4
B4
C4
AM
PM
A1
G1
D1
E1
B1
C1
Fig.3 Typical displays.
a. 12-hour mode.
b. 24-hour mode.
PM
TIME
MSA993
(a)
MSA994
TIME
(b)
Fig.4 Backplane and output signals.
MSB226
VDD
VDD /2
0
BP1
VDD
VDD /2
0
BP2
VDD
0
SEGMENT
1
SEGMENT
2
ON
ON
VDD
0
OFF
ON
VDD
0
ON
OFF
VDD
0
OFF
OFF
15.625 ms



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