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DS34C86T Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DS34C86T Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 8 page  DS34C86T Quad CMOS Differential Line Receiver General Description The DS34C86T is a quad differential line receiver designed to meet the RS-422, RS-423, and Federal Standards 1020 and 1030 for balanced and unbalanced digital data transmis- sion, while retaining the low power characteristics of CMOS. The DS34C86T has an input sensitivity of 200 mV over the common mode input voltage range of ±7V. Hysteresis is pro- vided to improve noise margin and discourage output insta- bility for slowly changing input waveforms. The DS34C86T features internal pull-up and pull-down resis- tors which prevent output oscillation on unused channels. Separate enable pins allow independent control of receiver pairs. The TRI-STATE® outputs have 6 mA source and sink capability. The DS34C86T is pin compatible with the DS3486. Features n CMOS design for low power n ±0.2V sensitivity over the 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 = 0V n Meets the requirements of EIA standard RS-422 n TRI-STATE outputs for system bus compatibility n Available in surface mount n Open input Failsafe feature, output high for open input Logic Diagram Connection Diagram Truth Table Enable Input Output LX Z HV ID ≥ VTH (Max) H HV ID ≤ VTH (Min) L H Open* H *Open, not terminated Z = TRI-STATE TRI-STATE® is a registered trademark of National Semiconductor Corporation. DS008699-1 Dual-In-Line Package DS008699-2 Top View Order Number DS34C86TM, and DS34C86TN See NS Package Number M16A and N16E May 1998 © 1998 National Semiconductor Corporation DS008699 www.national.com |
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