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SN75472D Datasheet(PDF) 3 Page - Texas Instruments |
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SN75472D Datasheet(HTML) 3 Page - Texas Instruments |
3 / 14 page SN75471 THRU SN75473 DUAL PERIPHERAL DRIVERS SLRS024 – DECEMBER 1976 – REVISED MAY 1990 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 logic symbol† & 5 3 2B 2A 1B 1A 2Y 1Y 7 6 2 1 † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. logic diagram (positive logic) 2B 2A 1B 1A 4 5 3 GND 2Y 1Y 7 6 2 1 SN75471 FUNCTION TABLE (each driver) A B 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 electrical characteristics over recommended operating free-air temperature range PARAMETER TEST CONDITIONS SN75471 UNIT PARAMETER TEST CONDITIONS MIN TYP‡ MAX UNIT VIK Input clamp voltage VCC = 4.75 V, II = – 12 mA – 1.2 – 1.5 V IOH High-level output current VCC = 4.75 V, VIH = 2 V, VOH = 70 V 100 µA VOL Low level output voltage VCC = 4.75 V, VIL = 0.8 V, IOL = 100 mA 0.25 0.4 V VOL Low-level output voltage VCC = 4.75 V, VIL = 0.8 V, IOL = 300 mA 0.5 0.7 V II Input current at maximum input voltage VCC = 5.25 V, VI = 5.5 V 1 mA IIH High-level input current VCC = 5.25 V, VI = 2.4 V 40 µA IIL Low-level input current VCC = 5.25 V, VI = 0.4 V –1 – 1.6 mA ICCH Supply current, outputs high VCC = 5.25 V, VI = 5 V 7 11 mA ICCL Supply current, outputs low VCC = 5.25 V, VI = 0 52 65 mA ‡ All typical values are at VCC = 5 V, TA = 25°C. switching characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS SN75471 UNIT PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH Propagation delay time, low-to-high-level output 30 55 tPHL Propagation delay time, high-to-low-level output IO ≈ 200 mA, CL = 15 pF, 25 40 ns tTLH Transition time, low-to-high-level output O , RL = 50 Ω, L , See Figure 1 8 20 ns tTHL Transition time, high-to-low-level output 10 20 VOH High level output voltage after switching VS = 55 V, IO ≈ 300 mA, VS 18 mV VOH High-level output voltage after switching S See Figure 2 O VS – 18 mV VCC A GND Y 500 Ω 1 k Ω B 4 k Ω 1.6 k Ω 130 Ω SN75471 schematic (each driver) Resistor values shown are nominal. |
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