DS3486

DS3486 NSC | Alldatasheet

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Features

n Four independent receivers n TRI-STATE outputs n Internal hysteresis −140 mV (typ) n Fast propagation times −19 ns (typ) n TTL compatible outputs n 5V supply n Pin compatible and interchangeable with MC3486 Block and Connection Diagrams TRI-STATE® is a registered trademark of National Semiconductor Corp. DS005779-1 Dual-In-Line Package DS005779-2 Top View Order Number DS3486M or DS3486N See NS Package Number M16A or N16E May 1998 DS3486 Quad RS-422, RS-423 Line Receiver © 1999 National Semiconductor Corporation DS005779 www.national.com

Absolute Maximum Ratings(Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Power Supply Voltage, V CC 8V Input Common-Mode Voltage, VICM ±25V Input Differential Voltage, VID ±25V TRI-STATE Control Input Voltage, VI 8V Output Sink Current, IO 50 mA Storage Temperature, TSTG −65˚C to +150˚C Maximum Power Dissipation (Note 1) at 25˚C Molded Dip Package 1362 mW Operating Conditions Max Min Units Power Supply Voltage, VCC 4.75 5.25 V Operating Temperature, TA 07 0˚ C Input Common-Mode Voltage −7.0 7.0 V Range, VICR Note 1:Derate Dip molded package 10.2 mW/˚C above 25˚C. Derate SO package 8.01 mW/˚C above 25˚C. Electrical Characteristics(Note 3) (Unless otherwise noted, minimum and maximum limits apply over recommended temperature and power supply voltage ranges. Typical values are for TA = 25˚C, VCC = 5V and VIC = 0V.) Symbol Parameter Conditions Min Typ Max Units VIH Input Voltage — High Logic State 2.0 V (TRI-STATE Control) V IL Input Voltage — Low Logic State 0.8 V (TRI-STATE Control) VTH(D) Differential Input Threshold Voltage −7V ≤ VIC ≤ 7V, VIH TRI-STATE = 2V 0.070 0.2 V IO = −0.4 mA, VOH ≥ 2.7V IO = 8 mA, VOL ≥ 0.5V 0.070 −0.2 V IIB (D) Input Bias Current V CC = 0V or 5.25V, Other Inputs at 0V VI = −10V −3.25 mA VI = −3V −1.50 mA VI = 3V 1.50 mA VI = 10V 3.25 mA Input Balance −7V ≤ VIC ≤ 7V, VIH(3C)= 2V, (Note 5) VOH IO = −0.4 mA, VID = 0.4V 2.7 V VOL IO = 8 mA, VID = −0.4V 0.5 V IOZ Output TRI-STATE Leakage Current V I(D)= 3V, VIL = 0.8V, VOL = 0.5V −40 µA VI(D)= −3V, VIL = 0.8V, VOH = 2.7V 40 µA IOS Output Short-Circuit Current V I(D)= 3V, VIH TRI-STATE = 2V, −15 −100 mA VO = 0V, (Note 4) IIL Input Current — Low Logic State V IL = 0.5V −100 µA (TRI-STATE Control) IIH Input Current — High Logic State V IH = 2.7V 20 µA (TRI-STATE Control) V IH = 5.25V 100 µA VIC Input Clamp Diode Voltage I IN = −10 mA −1.5 V (TRI-STATE Control) ICC Power Supply Current All Inputs V IL = 0V 85 mA Note 2:“Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices should be operated at these limits. The table of “Electrical Characteristics” provides conditions for actual device operation. Note 3:All currents into device pins are shown as positive, out of device pins are negative. All voltages referenced to ground unless otherwise noted. Note 4:Only one output at a time should be shorted. Note 5:Refer to EIA RS-422/3 for exact conditions. www.national.com 2

FIGURE 1. Propagation Delay Differential Input to Output

FIGURE 2. Propagation Delay TRI-STATE Control Input to Output

Physical Dimensionsinches (millimeters) unless otherwise noted Order Number DS3486M Molded Dual-In-Line Package (N) Order Number DS3486N www.national.com5

NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. National Semiconductor Corporation Americas Tel: 1-800-272-9959 Fax: 1-800-737-7018 Email: support@nsc.com National Semiconductor Europe Fax: +49 (0) 1 80-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 1 80-530 85 85 English Tel: +49 (0) 1 80-532 78 32 Français Tel: +49 (0) 1 80-532 93 58 Italiano Tel: +49 (0) 1 80-534 16 80 National Semiconductor Asia Pacific Customer Response Group Tel: 65-2544466 Fax: 65-2504466 Email: sea.support@nsc.com National Semiconductor Japan Ltd. Tel: 81-3-5639-7560 Fax: 81-3-5639-7507 www.national.com DS3486 Quad RS-422, RS-423 Line Receiver National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.