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DS26F32M Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DS26F32M Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 6 page  DS26F32M Quad Differential Line Receivers General Description The DS26F32 is a quad differential line receiver designed to meet the requirements of EIA Standards RS-422 and RS-423, and Federal Standards 1020 and 1030 for balanced and unbalanced digital data transmission. The DS26F32 offers improved performance due to the use of state-of-the-art L-FAST bipolar technology. The L-FAST technology allows for higher speeds and lower currents by utilizing extremely short gate delay times. Thus, the DS26F32 features lower power, extended temperature range, and improved specifications. The device features an input sensitivity of 200 mV over the input common mode range of ±7.0V. The DS26F32 provides an enable function common to all four receivers and TRI-STATE ® outputs with 8.0 mA sink capability. Also, a fail-safe input/output relationship keeps the outputs high when the inputs are open. The DS26F32 offers optimum performance when used with the DS26F31 Quad Differential Line Driver. Features n Military temperature range n Input voltage range of ±7.0V (differential or common mode) ±0.2V sensitivity over the input voltage range n Meets all the requirements of EIA standards RS-422 and RS-423 n High input impedance (18k typical) n 30 mV input hysteresis n Operation from single +5.0V supply n Input pull-down resistor prevents output oscillation on unused channels n TRI-STATE outputs, with choice of complementary enables, for receiving directly onto a data bus n Propagation delay 15 ns typical Connection Diagrams Function Table (Each Receiver) Differential Inputs Enables Outputs V ID = (V IN+)−(VIN−) E E OUT V ID ≥ 0.2V H X H XL H V ID ≤ −0.2V H X L XL L XL H Z H = High Level L = Low Level X = Immaterial TRI-STATE® is a registered trademark of National Semiconductor Corporation. 16-Lead DIP DS009615-1 Top View See NS Package Number J16A For Complete Military Product Specifications, refer to the appropriate SMD or MDS. Order Number DS26F32ME/883, DS26F32MJ/883 or DS26F32MW/883 See NS Package Number E20A, J16A or W16A 20-Lead Ceramic Leadless Chip Carrier DS009615-7 May 1999 © 1999 National Semiconductor Corporation DS009615 www.national.com |
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