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UPD4721 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V - NEC

भाग संख्या UPD4721
समारोह RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V
मैन्युफैक्चरर्स NEC 
लोगो NEC लोगो 
पूर्व दर्शन
1 Page
		
<?=UPD4721?> डेटा पत्रक पीडीएफ

UPD4721 pdf
BLOCK DIAGRAM/PIN CONFIGURATION (Top View)
µPD4721
+3.3 V
or
+5 V
C1 +
+10 V
C3 +
1 VDD
2 C1+
3 VCC
C5 +
4 C1
5 C5+
6 C5
DIN1 7
Note 4
DIN2 8
C4+ 20
GND 19
C418
+
C4
+
C2
VSS 17
16 STBY
–10 V
300
300
15 VCHA
14 DOUT1
13 DOUT2
ROUT1 9
ROUT2 10
5.5 k
5.5 k
12 RIN1
11 RIN2
Note 1. VDD and VSS are output pins stepped up internally. These pins should not be loaded directly.
2. Capacitors C1 to C5 with a breakdown voltage of 20 V or higher are recommended. And it is
recommended to insert the capacitor that is 0.1 µF to 1 µF between VCC and GND.
3. If VCHA is kept low level (in 5 V mode), capacitor C5 is not necessary.
4. The pull-up resistors at driver input are active resistors.
2

विन्यास 16 पेज
डाउनलोड[ UPD4721 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
UPD4721RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 VNEC
NEC
UPD4722RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 VNEC
NEC


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