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SN75471 Dataheets PDF



Part Number SN75471
Manufacturers Texas Instruments
Logo Texas Instruments
Description DUAL PERIPHERAL DRIVERS
Datasheet SN75471 DatasheetSN75471 Datasheet (PDF)

SN75471 THRU SN75473 DUAL PERIPHERAL DRIVERS PERIPHERAL DRIVERS FOR HIGH-VOLTAGE HIGH-CURRENT DRIVER APPLICATIONS D Characterized for Use to 300 mA D High-Voltage Outputs D No Output Latch-Up at 55 V (After Conducting 300 mA) D Medium-Speed Switching D Circuit Flexibility for Varied Applications and Choice of Logic Function D TTL-Compatible Diode-Clamped Inputs D Standard Supply Voltages D Plastic DIP (P) With Copper Lead Frame Provides Cooler Operation and Improved Reliability SLRS024 – DECEM.

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SN75471 THRU SN75473 DUAL PERIPHERAL DRIVERS PERIPHERAL DRIVERS FOR HIGH-VOLTAGE HIGH-CURRENT DRIVER APPLICATIONS D Characterized for Use to 300 mA D High-Voltage Outputs D No Output Latch-Up at 55 V (After Conducting 300 mA) D Medium-Speed Switching D Circuit Flexibility for Varied Applications and Choice of Logic Function D TTL-Compatible Diode-Clamped Inputs D Standard Supply Voltages D Plastic DIP (P) With Copper Lead Frame Provides Cooler Operation and Improved Reliability SLRS024 – DECEMBER 1976 – REVISED MAY 1990 D OR P PACKAGE (TOP VIEW) 1A 1B 1Y GND 1 2 3 4 8 VCC 7 2B 6 2A 5 2Y SUMMARY OF SERIES SN75471 DEVICE LOGIC OF COMPLETE CIRCUIT PACKAGES SN75471 SN75472 SN75473 AND NAND OR D, P D, P D, P description Series SN75471 dual peripheral drivers are functionally interchangeable with series SN75451B and series SN75461 peripheral drivers, but are designed for use in systems that require higher breakdown voltages than either of those series can provide at the expense of slightly slower switching speeds than series 75451B (limits are the same as series SN75461). Typical applications include high-speed logic buffers, power drivers, relay drivers, lamp drivers, MOS drivers, line drivers, and memory drivers. The SN75471, SN75472, and SN75473 are dual peripheral AND, NAND, and OR drivers, respectively, (assuming positive logic), with the output of the logic gates internally connected to the bases of the npn output transistors. Series SN75471 drivers are characterized for operation from 0°C to 70°C. 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. •POST OFFICE BOX 655303 DALLAS, TEXAS 75265 Copyright © 1990, Texas Instruments Incorporated 1 SN75471 THRU SN75473 DUAL PERIPHERAL DRIVERS SLRS024 – DECEMBER 1976 – REVISED MAY 1990 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V Inter-emitter voltage (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V Off-state output voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 V Continuous collector or output current (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 mA Peak collector or output current (tw ≤ 10 ms, duty cycle ≤ 50%, see Note 3) . . . . . . . . . . . . . . . . . . . . . 500 mA Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C NOTES: 1. Voltage values are with respect to the network GND, unless otherwise specified. 2. This is the voltage between two emitters, A and B. 3. Both halves of these dual circuits may conduct rated current simultaneously; however, power dissipation averaged over a short time interval must fall within the continuous dissipation rating. PACKAGE D P DISSIPATION RATING TABLE TA ≤ 25°C POWER RATING 725 mW DERATING FACTOR ABOVE TA = 25°C 5.8 mW/°C 1000 mW 8.0 mW/°C TA = 70°C POWER RATING 464 mW 640 mW recommended operating conditions Supply voltage, VCC High-level input voltage, VIH Low-level input voltage, VIL Operating free-air temperature, TA MIN NOM MAX UNIT 4.75 5 5.25 V 2V 0.8 V 0 70 °C •2 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN75471 THRU SN75473 DUAL PERIPHERAL DRIVERS logic symbol† 1 1A 2 1B 6 2A 7 2B & 3 1Y 5 2Y † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. SLRS024 – DECEMBER 1976 – REVISED MAY 1990 logic diagram (positive logic) 1 1A 2 1B 6 2A 7 2B 3 1Y 5 2Y 4 GND SN75471 FUNCTION TABLE (each driver) AB Y L L L (on state) L H L (on state) H L L (on state) H H H (off state) positive logic: Y = AB or A + B SN75471 schematic (each driver) 4 kΩ 1.6 kΩ 130 Ω VCC A B 1 kΩ Resistor values shown are nominal. 500 Ω Y GND electrical characteristics over recommended operating free-air temperature range PARAMETER VIK.


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