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| MILITARY DATA SHEET MNDS26LS31M-X REV 0A0 Original Creation Date: 01/24/96 Last Update Date: 11/15/96 Last Major Revision Date: 01/24/96 QUAD HIGH SPEED DIFFERENTIAL LINE DRIVER General Description The DS26LS31 is a quad differential line driver designed for digital data transmission over balanced lines. The DS26LS31 meets all the requirements of EIA Standard RS-422 and Federal Standard 1020. It is designed to provide unipolar differential drive to twisted-pair or parallel-wire transmission lines. The circuit provides an enable and disable function common to all four drivers. The DS26LS31 features TRI-STATE outputs and logically ANDed complementary outputs. The inputs are all LS compatible and are all one unit load. The DS26LS31 features a power up/down protection circuit which keeps the output in a high impedance state (TRI-STATE) during power up or down preventing erroneous glitches on the transmission lines. Industry Part Number DS26LS31 NS Part Numbers DS26LS31ME/883 DS26LS31MJ/883 DS26LS31MW/883 Prime Die DS26LS31 Processing MIL-STD-883, Method 5004 Subgrp Description 1 2 3 4 5 6 7 8A 8B 9 10 11 Static tests at Static tests at Static tests at Dynamic tests at Dynamic tests at Dynamic tests at Functional tests at Functional tests at Functional tests at Switching tests at Switching tests at Switching tests at Temp ( oC) +25 +125 -55 +25 +125 -55 +25 +125 -55 +25 +125 -55 Quality Conformance Inspection MIL-STD-883, Method 5005 1 MNDS26LS31M-X REV 0A0 MILITARY DATA SHEET Features Operation from Single 5V Supply Outputs Won't Load Line When Vcc=0V Four Line Drivers in One Package For Maximum Package Density Output Short-Circuit Protection Complementary Outputs Meets the requirements of EIA Standard RS-422 Pin Compatible with AM26LS31 Glitch Free Power Up/Down 2 MNDS26LS31M-X REV 0A0 MILITARY DATA SHEET (Absolute Maximum Ratings) (Note 1) Supply Voltage 7V Input Voltage 7V Output Voltage 5.5V Output Voltage (Power OFF) -0.25 to 6V Maximum Power Dissipation @ 25 C (Note 2) Cavity Package LCC Package Flat Pack Package Note 1: 1400mW 1600mW 850mW safety of the device devices should be operated provide conditions for above 25C. Note 2: Absolute Maximum Ratings are those values beyond which the cannot be guaranteed. They are not meant to imply that the at these limits. The table of "Electrical Characteristics" actual device operation. Derate CDip = 11.5mW/C, CLCC = 13.0mW/C, CerPak = 7.4mW/C Recommended Operating Conditions Supply Voltage, Vcc 4.5V to 5.5V Temperature, TA -55 C to +125 C 3 MNDS26LS31M-X REV 0A0 MILITARY DATA SHEET Electrical Characteristics DC PARAMETERS SYMBOL Vih Vil Voh Vol Iih Iil Ii Io PARAMETER Logical "1" Input Voltage Logical "0" Input Voltage Logical "1" Output Voltage Logical "0" Output Voltage Logical "1" Input Current Logical "0" Input Current Input Reverse Current TRI-STATE Output Current Vcc= 4.5V, Ioh= -20mA Vcc= 4.5V, Iol= 20mA CONDITIONS NOTES 1, 2 1, 2 2 2 2 2 2 2 2 2 2 2 2 -30 -150 60 2.5 .5 20 -200 .1 -20 20 -1.5 PINNAME 2 .8 MIN MAX UNIT V V V V uA uA mA uA uA V mA mA mA SUBGROUPS 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 Vcc= 5.5V, Vin=2.7V Vcc= 5.5V, Vin= .4V Vcc=5.5V, Vin=7V Vcc=5.5V, Vo= .5V Vcc=5.5V, Vo=2.5V Vic Ios(min) Ios(max) Icc Input Clamp Voltage Output Short Circuit Current Output Short Circuit Current Power Supply Current Vcc=4.5V, Iin= -18mA Vcc=5.5V Vcc=5.5V Vcc=5.5V, All Outputs Disabled or Active 4 MNDS26LS31M-X REV 0A0 MILITARY DATA SHEET Electrical Characteristics AC PARAMETERS: PROPAGATION DELAY TIME: (The following conditions apply to all the following parameters, unless otherwise specified.) AC: Vcc=5V, Cl=50pF or equivalent impedance provided by diode load. SYMBOL tPLH PARAMETER Input to Output CONDITIONS NOTES 2, 3 2, 3 tPHL Input to Output 2, 3 2, 3 Skew Output to Output 2, 3 2, 3 tLZ Enable Time S2 Open, Enable 2, 3 2, 3 S2 Open, /Enable 2, 3 2, 3 tHZ Enable Time S1 Open, Enable 2, 3 2, 3 S1 Open, /Enable 2, 3 2, 3 tZL Disable Time S2 Open, Enable 2, 3 2, 3 S2 Open, /Enable 2, 3 2, 3 tZH Disable Time S1 Open, Enable 2, 3 2, 3 S1 Open, /Enable 2, 3 2, 3 Note 1: Note 2: Note 3: PINNAME MIN MAX 15 30 15 30 6 9 35 53 35 53 25 45 25 45 30 68 30 68 30 60 30 60 UNIT nS nS nS nS nS nS nS nS nS nS nS nS nS nS nS nS nS nS nS nS nS nS SUBGROUPS 9 10, 11 9 10, 11 9 10, 11 9 10, 11 9 10, 11 9 10, 11 9 10, 11 9 10, 11 9 10, 11 9 10, 11 9 10, 11 Parameter tested go-no-go only. Subgroups 1,2 and 9,10: Power dissipation must be externally controlled at elevated temperatures. SBGRP 10 and 11 guaranteed but not tested. 5 MNDS26LS31M-X REV 0A0 MILITARY DATA SHEET Graphics and Diagrams GRAPHICS# E20ARE J16ARL W16ARL DESCRIPTION LDLESS CHIP CARRIER, TYPE C 20 TERMINAL(P/P DWG) CERDIP (J), 16 LEAD (P/P DWG) CERPAC (W), 16 LEAD (P/P DWG) See attached graphics following this page. 6 |
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