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UPD4721 数据表(PDF) 8 Page - NEC

部件名 UPD4721
功能描述  RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V
PDF  16 Pages
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制造商  NEC [NEC]
网页  http://www.nec.com/
标志 NEC - NEC

UPD4721 数据表(HTML) 8 Page - NEC

Back Button UPD4721 Datasheet HTML 4Page - NEC UPD4721 Datasheet HTML 5Page - NEC UPD4721 Datasheet HTML 6Page - NEC UPD4721 Datasheet HTML 7Page - NEC UPD4721 Datasheet HTML 8Page - NEC UPD4721 Datasheet HTML 9Page - NEC UPD4721 Datasheet HTML 10Page - NEC UPD4721 Datasheet HTML 11Page - NEC UPD4721 Datasheet HTML 12Page - NEC Next Button
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8
µPD4721
Note 10. Measuring point
Note 11. Measuring point
Note 12. Measuring point
Driver outputs are indefinite during transition time (tDZA).
Driver outputs are indefinite during transition time (tPRA).
Driver outputs are indefinite during transition time (tPRA).
0.6 V
2.4 V
+5 V
–5 V
+5 V
–5 V
High-impedance
High-impedance
tDAZ
tDZA
VCC
0 V
VDO+
VDO–
STBY
DOUT
3.0 V
3.3 V
0 V
VCC
VDO+
VDO–
DOUT
+5 V
–5 V
tPRA
High-impedance
4.5 V
5 V
0 V
VCC
VDO+
VDO–
DOUT
+5 V
–5 V
tPRA



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