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UPD4722 डेटा पत्रक PDF( Datasheet डाउनलोड )


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

भाग संख्या UPD4722
समारोह RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V
मैन्युफैक्चरर्स NEC 
लोगो NEC लोगो 
पूर्व दर्शन
1 Page
		
<?=UPD4722?> डेटा पत्रक पीडीएफ

UPD4722 pdf
µPD4722
BLOCK DIAGRAM/PIN CONFIGURATION (TOP VIEW)
+3.3 V
or
+5 V
C1 +
+10 V
C3 +
1 VDD
2 C1+
3 VCC
4 C1
C5 +
5 C5+
6 GND
7 C5
DIN1 8
Note 4
DIN2 9
DIN3 10
DIN4 11
C4+ 30
GND 29
C428
+
C4
+
C2
VSS 27
26 STBY
–10 V
25 VCHA
300
300
300
300
24 EN
23 DOUT1
22 DOUT2
21 DOUT3
20 DOUT4
ROUT1 12
ROUT2 13
ROUT3 14
ROUT4 15
5.5 k
5.5 k
5.5 k
5.5 k
19 RIN1
18 RIN2
17 RIN3
16 RIN4
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[ UPD4722 Datasheet.PDF ]


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