TC74AC540F

The TC74AC540F is one member of the TC74AC540 series.The TC74AC540 is advanced high speed CMOS octal bus buffer fabricated with silicon gate and double-layer metal wiring C2MOS technology.They achieve the high speed operation similar to equivalent Bipolar Schottky  TTL while maintaining the CMOS low power dissipation.The TC74AC540 is an inverting type, and the TC74AC541 is a non-inverting type.When either Gl or G2 are high, the terminal outputs are in the high-impedance state.All inputs are equipped with protection circuits against static discharge or transient excess voltage.

Features of the TC74AC540F are:(1)high speed:tpd=4.0ns(typ.) at Vcc=5V;(2)low power dissipation:Icc=8A(Max.) at Ta=25;(3)symmetrical output impedance:|IOH|=Iol=24mA(Min.) capability of driving 50 tansmission lines;(4)balanced propagation delays:tpLHtPHL;(6)wide operating voltage range:Vcc (opr)=2V~5.5V;(7)pin and function compatible with 74F540;(8)high noise immunity:Vnih=Vnil=28%Vcc(Min).

The absolute maximum ratings of the TC74AC540F can be summarized as:(1)supply voltage range:-0.5 to 7.0V;(2)DC input voltage:-0.5 to Vcc+0.5V;(3)DC output voltage:-0.5 to Vcc+0.5V;(4)input diode current:±20mA; (5)output diode current:±50mA; (6)DC output current:±50mA; (7)DC Vcc/ground current:±200mA; (8)power dissipation:500mW; (9)storage temperature:-65 to 150.TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent products specifications.Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook.

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