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MC3450DR Datasheet(PDF) 1 Page - Texas Instruments |
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MC3450DR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 9 page 1B 1A 1Y EN 2Y 2A 2B GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC+ 4B 4A 4Y VCC− 3Y 3A 3B MC3450, MC3452 ...D OR N PACKAGE MC3550, MC3552 ...J PACKAGE (TOP VIEW) THE MC3452 IS NOT RECOMMENDED FOR NEW DESIGN 3 2 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 4A 4Y NC VCC− 3Y 1Y EN NC 2Y 2A MC3550, MC3552 . . . FK PACKAGE (TOP VIEW) NC − No internal connection MC3450, MC3452, MC3550, MC3552 QUAD DIFFERENTIAL LINE RECEIVERS SLLS012B − FEBRUARY 1986 − REVISED FEBRUARY 1993 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 D Four Independent Receivers With Common Enable Input D High Input Sensitivity . . . 25 mV Max D High Input Impedance D MC3450 and MC3550 Have 3-State Outputs D MC3452 Has Open-Collector Outputs D Glitch-Free Power-Up/Power-Down Operation description The MC3450, MC3550, MC3452, and MC3552 are quad differential line receivers designed for use in balanced and unbalanced digital data transmission. The MC34/3550 and MC34/3552 are the same except that the MC3450 and MC3550 have 3-state outputs whereas the MC3452 and MC3552 have open-collector outputs, which permit the wire-AND function with similar output devices. The 3-state and open- collector outputs permit connection directly to a bus-organized system. The MC3450, MC3550, MC3452, and MC3550 are designed for optimum performance when used with either the MC3453 or MC3553 quad differential line driver or SN75109A, SN75110A, and SN75112 dual differential drivers. The MC3450 and MC3452 are characterized for operation from 0 °C to 70°C. The MC3550 and MC3552 are characterized for operation over the full military temperature range of − 55 °C to 125 °C. FUNCTION TABLE DIFFERENTIAL INPUTS ENABLE OUTPUT A − B EN Y VID ≥ 25 mV L H − 25 mV < VID < 25 mV L ? VID ≤ 25 mV L L X H Z H = high level, L = low level, ? = indeterminate, X = impedance (off) Copyright 1993, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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