UPD16431AGC-7ET Просмотр технического описания (PDF) - NEC => Renesas Technology
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UPD16431AGC-7ET Datasheet PDF : 34 Pages
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µPD16431A
OUTPUT SELECT VOLTAGE
1. COM
When selected
When not selected
When key scanned
When selected
When not selected
When key scanned
+
VLCD
VLCD
1/2 VLCD
VLC2
1/2 VLCD
VLC2
VLCD
VLCD
1/3 VLCD
VLC3
1/2 VLCD
VLC2
–
GND
GND
1/2 VLCD
VLC2
1/2 VLCD
VLC2
GND
GND
2/3 VLCD
VLC1
1/2 VLCD
VLC2
Bias
1/2 bias
1/3 bias
Top : with internal power supply
Bottom: with external power supply
2. SEG
When selected
When not selected
When key scanned
When key not
scanned
When selected
When not selected
When key scanned
When key not
scanned
+
GND
GND
VLCD
VLCD
GND
GND
VLCD
VLCD
GND
GND
2/3 VLCD
VLC1
GND
GND
VLCD
VLCD
–
VLCD
VLCD
GND
GND
VLCD
VLCD
GND
GND
VLCD
VLCD
1/3 VLCD
VLC3
VLCD
VLCD
GND
GND
Bias
1/2 bias
1/3 bias
11
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