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UPD6121 Datasheet(PDF) 17 Page - NEC

Part # UPD6121
Description  REMOTE CONTROL TRANSMISSION CMOS IC
PDF  28 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD6121 Datasheet(HTML) 17 Page - NEC

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µPD6121, 6122
17
8.
APPLICATION CIRCUIT EXAMPLE
(1) Example application circuit using
µPD6121
(2) Example application circuit using
µPD6122
+
VDD
VDD
=
OSCO
OSCI
VDD
LMP
REM
VSS
CCS
KI0
KI3 KI/O0
KI/O7
µPD6121G-001
SEL
3V
455 kHz
Ceramic resonator
Infrared-emitting diode
SE303A-C
SE307-C
SE313
SE1003-C
2SC2001, 3616
2SD1513, 1616
2SD1614
Custom code selection resistor
Key matrix
8 x 4 = 32 keys
Custom code selection diode
+
OSCO
OSCI
VDD
LMP
REM
VSS
CCS
KI0
KI7 KI/O0
KI/O7
µPD6122G-001
SEL
3V
455 kHz
Ceramic resonator
Infrared-emitting diode
SE303A-C
SE307-C
SE313
SE1003-C
2SC2001, 3616
2SD1513, 1616
2SD1614
Custom code selection resistor
Key matrix
8 x 8 = 64 keys
Custom code selection diode
VDD
VDD



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