UPD4722 Datasheet, PDF(11/16 Page) NEC – RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V

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UPD4722 Datasheet, PDF (11/16 Pages) NEC – RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V

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ÂµPD4722

Note 16. Measuring point

VCC

STBY

VOH

ROUT

VOL

0.6 V

tDAH

2.0 V

2.4 V

tDHA

0.8 V

Receiver outputs are indefinite during transition time (tDHA).

Note 17. Measuring point

3.3 V

VCC

3.0 V

VOH

tPRA

ROUT

VOL

0.8 V

Receiver outputs are indefinite during reset release time (tPRA).

Note 18. Measuring point

VCC

4.5 V

VOH

tPRA

ROUT

VOL

0.8 V

Receiver outputs are indefinite during reset release time (tPRA).

REFERENCE MATERIAL

â¢ IC PACKAGE MANUAL (C10943X)

â¢ NEC SEMICONDUCTOR DEVICE RELIABILITY/QUALITY (IEI-1212)

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