UPD4722GS-GJG NEC, UPD4722GS-GJG Datasheet
![no-image](/images/manufacturer_photos/0/4/470/nec_sml.jpg)
UPD4722GS-GJG
Available stocks
Related parts for UPD4722GS-GJG
UPD4722GS-GJG Summary of contents
Page 1
... The internal DC/DC converter can switch between multiple voltages, allowing it to operate with a single +3 power supply. It also provides standby function. This IC incorporates 4 driver circuits and 4 receiver circuits. An RS-232 interface circuit can be easily configured by connecting 5 capacitors externally. FEATURES • Conforms to EIA/TIA-232-E (former name, RS-232C) standards • ...
Page 2
... CC 4 – GND – Note 4 300 8 300 9 300 10 300 not necessary. 5 PD4722 – STBY 25 V CHA OUT1 22 D OUT2 21 D OUT3 20 D OUT4 19 R IN1 ...
Page 3
Truth Table Driver STBY OUT L Z Standby mode (DC/DC converter is stopped Space level output Mark level output Receiver R IN STBY ...
Page 4
ABSOLUTE MAXIMUM RATINGS (T A Parameter Supply Voltage ( CHA Supply Voltage ( CHA Driver Input Voltage Receiver Input Voltage Control Input Voltage (STBY EN) CHA Driver Output Voltage Receiver Output Voltage Input Current ...
Page 5
ELECTRICAL SPECIFICATIONS (TOTAL) (UNLESS OTHERWISE SPECIFIED, T Parameter Symbol V CC STBY = H Circuit Current I CC1 V CC STBY = Circuit Current I CC2 OPEN, STBY = ...
Page 6
Note 8. Measuring point 5 V STBY 0 SCH 3 CHA 0 4 3.6 V 3.3 V ELECTRICAL SPECIFICATIONS (DRIVER) (UNLESS OTHERWISE SPECIFIED, T ...
Page 7
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 ...
Page 8
Note 10. Measuring point V CC STBY OUT – Driver outputs are indefinite during transition time (t Note 11. Measuring point 3 High-impedance D ...
Page 9
ELECTRICAL SPECIFICATIONS (RECEIVER) (UNLESS OTHERWISE SPECIFIED, V 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 PHL (STBY = H) t PLH Propagation ...
Page 10
Note 13. Measuring point + – OUT V OL Note 14. Measuring point + – OUT V OL Note 15. Measuring point ...
Page 11
... Receiver outputs are indefinite during reset release time (t Note 18. Measuring point OUT V OL Receiver outputs are indefinite during reset release time (t REFERENCE MATERIAL • IC PACKAGE MANUAL (C10943X) • NEC SEMICONDUCTOR DEVICE RELIABILITY/QUALITY (IEI-1212) 2 DAH DHA 2 DHA 3 PRA 0.8 V PRA 4 ...
Page 12
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 ...
Page 13
PACKAGE DRAWINGS 30 PIN PLASTIC SHRINK SOP (300 mil NOTE Each lead centerline is located within 0.10 mm (0.004 inch) of its true position (T.P.) at maximum material condition. 16 detail of lead ...
Page 14
PD4722 ...
Page 15
PD4722 15 ...
Page 16
... Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact an NEC sales representative in advance ...