DS26C32A

DS26C32AT NSC | Alldatasheet

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n CMOS design for low power n ±0.2V sensitivity over input common mode voltage range n Typical propagation delays: 19 ns n Typical input hysteresis: 60 mV n Inputs won’t load line when VCC =0 V n Meets the requirements of EIA standard RS-422 n TRI-STATE outputs for connection to system buses n Available in Surface Mount n Mil-Std-883C compliant Logic Diagram 00876401 Connection Diagrams Dual-In-Line Package 00876402 Top View Order Number DS26C32ATM or DS26C32ATN See NS Package M16A or N16E For Complete Military Product Specifications, refer to the appropriate SMD or MDS. Order Number DS26C32AME/883, DS26C32AMJ/883 or DS26C32AMW/883 See NS Package E20A, J16A or W16A 20-Lead Ceramic Leadless Chip Carrier 00876412 TRI-STATE® is a registered trademark of National Semiconductor Corporation. June 1998 DS26C32AT/DS26C32AM Quad Differential Line Receiver © 2004 National Semiconductor Corporation DS008764 www.national.com

Absolute Maximum Ratings(Notes 2, If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V CC)7 V Common Mode Range (V CM) ±14V Differential Input Voltage (V DIFF) ±14V Enable Input Voltage (V IN)7 V Storage Temperature Range (T STG) −65˚C to +150˚C Lead Temperature (Soldering 4 sec.) 260˚C Maximum Power Dissipation at 25˚C (Note 5) Ceramic “J” Pkg. 2308 mW Plastic “N” Pkg. 1645 mW SOIC “M” Pkg. 1190 mW Ceramic “E” Pkg. 2108 mW Ceramic “W” Pkg. 1215 mW Maximum Current Per Output ±25 mA This device does not meet 2000V ESD rating.(Note 4) Operating Conditions Min Max Units Supply Voltage (VCC) 4.50 5.50 V Operating Temperature Range (T A) DS26C32AT −40 +85 ˚C DS26C32AM −55 +125 ˚C Enable Input Rise or Fall Times 500 ns VCC =5 V ±10% (unless otherwise specified) (Note 1) Symbol Parameter Conditions Min Typ Max Units VTH Minimum Differential V OUT =V OH or VOL −200 35 +200 mV Input Voltage −7V < VCM < +7V RIN Input Resistance V IN = −7V, +7V DS26C32AT 5.0 6.8 10 k Ω (Other Input = GND) DS26C32AM 4.5 6.8 11 k Ω IIN Input Current V IN = +10V, DS26C32AT +1.1 +1.5 mA Other Input = GND DS26C32AM +1.1 +1.8 mA V IN = −10V, DS26C32AT −2.0 −2.5 mA Other Input = GND DS26C32AM −2.0 −2.7 mA VOH Minimum High Level V CC = Min, VDIFF = +1V 3.8 4.2 V Output Voltage I OUT = −6.0 mA VOL Maximum Low Level V CC = Max, VDIFF = −1V 0.2 0.3 V Output Voltage I OUT = 6.0 mA VIH Minimum Enable High 2.0 V Input Level Voltage V IL Maximum Enable Low 0.8 V Input Level Voltage IOZ Maximum TRI-STATE® V OUT =V CC or GND, Output Leakage Current ENABLE = V IL, ±0.5 ±5.0 µA ENABLE = VIH II Maximum Enable Input V IN =V CC or GND ±1.0 µA Current ICC Quiescent Power V CC = Max, DS26C32AT 16 23 mA Supply Current V DIF = +1V DS26C32AM 16 25 mA VHYST Input Hysteresis V CM =0 V 6 0 m V VCC =5 V ±10% (Note 3) Symbol Parameter Conditions Min Typ Max Units DS26C32AT DS26C32AM tPLH, Propagation Delay C L =5 0p F tPHL Input to Output V DIFF = 2.5V 10 19 30 35 ns VCM =0 V DS26C32AT/DS26C32AM www.national.com 2

should be operated at these limits. The table of “Electrical Characteristics” provides conditions for actual device operation. Note 2: Unless otherwise specified, all voltages are referenced to ground. Note 3: Unless otherwise specified, Min/Max limits apply over recommended operating conditions. All typicals are given for V CC = 5V and TA = 25˚C. E Package 12.04 mW/˚C, and W package 6.94 mW/˚C. FIGURE 1. Propagation Delay

Typical Performance Characteristics Differential Propagation Delay vs Temperature Differential Propagation Delay vs Power Supply Voltage 00876413 00876414 Differential Skew vs Temperature Differential Skew vs Power Supply Voltage 00876415 00876416 Output High Voltage vs Output High Current Output High Voltage vs Output High Current 00876417 00876418 DS26C32AT/DS26C32AM www.national.com 6

Typical Performance Characteristics (Continued) Output Low Voltage vs Output Low Current Output Low Voltage vs Output Low Current 00876419 00876420 Input Resistance vs Input Voltage Input Current vs Power Supply Voltage 00876421 00876422 Hysteresis & Differential Transition Voltage vs Temperature Hysteresis & Differential Transition Voltage vs Power Supply Voltage 00876423 00876424 DS26C32AT/DS26C32AM www.national.com7

Typical Performance Characteristics (Continued) Supply Current vs Temperature Disabled Supply Current vs Power Supply Voltage 00876425 00876426 Supply Current vs Data Rate 00876427 DS26C32AT/DS26C32AM www.national.com 8

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Ceramic Leadless Chip Carrier (E) Order Number DS26C32AME/883 16-Lead Ceramic Dual-In-Line Package (J) Order Number DS26C32AMJ/883 DS26C32AT/DS26C32AM www.national.com9

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 16-Lead Molded Small Outline Package (M) Order Number DS26C32ATM 16-Lead Molded Dual-In-Line Package (N) Order Number DS26C32ATN DS26C32AT/DS26C32AM www.national.com 10

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 16-Lead Ceramic FlatPak (W) Order Number DS26C32AMW/883 LIFE SUPPORT POLICY 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. BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. National Semiconductor Americas Customer Support Center Email: new.feedback@nsc.com Tel: 1-800-272-9959 National Semiconductor Europe Customer Support Center Fax: +49 (0) 180-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 69 9508 6208 English Tel: +44 (0) 870 24 0 2171 Français Tel: +33 (0) 1 41 91 8790 National Semiconductor Asia Pacific Customer Support Center Email: ap.support@nsc.com National Semiconductor Japan Customer Support Center Fax: 81-3-5639-7507 Email: jpn.feedback@nsc.com Tel: 81-3-5639-7560 www.national.com DS26C32AT/DS26C32AM Quad Differential Line Receiver National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the righ t at any time without notice to change said circuitry and specifications.