UPD4721 Renesas Electronics Corporation., UPD4721 Datasheet
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UPD4721
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UPD4721 Summary of contents
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RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V The PD4721 is a high-breakdown voltage silicon gate CMOS line driver/receiver based on the EIA/TIA-232- E standard. The internal DC/DC converter can switch between multiple voltages, realizing the allowing it to operate with ...
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BLOCK DIAGRAM/PIN CONFIGURATION (Top View IN1 D 8 IN2 R 9 OUT1 10 R OUT2 Note ...
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Truth Table Driver STBY OUT L Z Standby mode (DC/DC converter is stopped Space level output Mark level output Receiver STBY OUT L H Standby mode (DC/DC converter ...
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ABSOLUTE MAXIMUM RATINGS (T A Parameter Supply Voltage ( CHA Supply Voltage ( CHA Driver Input Voltage Receiver Input Voltage Control Input Voltage (STBY CHA Driver Output Voltage Receiver Output Voltage Input Current (D ...
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ELECTRICAL SPECIFICATIONS (TOTAL) (Unless otherwise specified – Parameter Symbol V CC STBY = H Circuit Current I CC1 V CC STBY = Circuit Current I CC2 V CC ...
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ELECTRICAL SPECIFICATIONS (DRIVER) (Unless otherwise specified – mode (unless otherwise specified, V Parameter Symbol Low-Level Input Voltage V IL High-Level Input Voltage V IH Low-Level Input Current I IL High-Level Input ...
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V mode (Unless otherwise specified, V Parameter Symbol Low-Level Input Voltage V IL High-Level Input Voltage V IH Low-Level Input Current I IL High-Level Input Current I IH Output Voltage V DO Output Short-Circuit Current I SC Note 9 ...
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Note 10. Measuring point V CC STBY OUT – Driver outputs are indefinite during transition time (t Note 11. Measuring point 3 High-impedance D ...
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ELECTRICAL SPECIFICATIONS (RECEIVER) (Unless otherwise specified 3 Parameter Symbol Low-Level Output Voltage V OL1 High-Level Output Voltage V OH1 Low-Level Output Voltage V OL2 High-Level Output Voltage V OH2 Propagation Delay Time t ...
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Note 13. Measuring point + – OUT V OL Note 14. Measuring point + – OUT V OL Note 15. Measuring point ...
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Note 16. Measuring point 3 OUT V OL Receiver outputs are indefinite during reset release time (t Note 17. Measuring point OUT V ...
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RECOMMENDED SOLDERING CONDITIONS The following conditions (See table below) must be met when soldering this product. Please consult with our sales offices in case other soldering process is used case soldering is done under different conditions. TYPES OF ...
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PACKAGE DRAWINGS 20 PIN PLASTIC SHRINK SOP (300 mil NOTE Each lead centerline is located within 0.12 mm (0.005 inch) of its true position (T.P.) at maximum material condition. 11 detail of ...
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PD4721 ...
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PD4721 15 ...
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No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this document. NEC ...