TC74ACT245P, TC74ACT245F, TC74ACT245FT ,TC74ACT640P, TC74ACT640F, TC74ACT640FT TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
◆The TC74ACT245 and 640 are advanced high speed CMOS OCTAL BUS TRANSCEIVERs 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.
◆These devices may be used as a level converter for interfacing TTL or NMOS to High Speed CMOS. The inputs are compatible with TTL, NMOS and CMOS output voltage levels.
◆They are intended for two-way asynchronous communication between data busses. The direction of data transmission is determined by the level of the DIR input.
◆The enable input (G) can be used to disable the device so that the busses are effectively isolated.
◆All inputs are equipped with protection circuits against static discharge or transient excess voltage.
◆Features
■High speed: tpd=4.7 ns (typ.) at VCC= 5 V
■Low power dissipation: ICC= 8 μA (max) at Ta=25°C
■Compatible with TTL outputs: VIL=0.8 V (max), VIH=2.0 V (min)
■Symmetrical output impedance : |IOH|=IOL=24 mA (min)Capability of driving 50 Ω transmission lines.
■Balanced propagation delays: tpLH≃tpHL
■Pin and function compatible with 74F245/640
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TC74ACT245P 、 TC74ACT245F 、 TC74ACT245FT 、 TC74ACT640P 、 TC74ACT640F 、 TC74ACT640FT 、 TC74ACT245 、 TC74ACT640 、 74F245 、 74F640 |
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Silicon Monolithic CMOS Digital Integrated Circuit 、 Octal Bus Transceiver 、 high speed CMOS OCTAL BUS TRANSCEIVERs |
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Datasheet |
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Please see the document for details |
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DIP20P-300-2.54A;SOP20-P-300-1.27A;TSSOP20-P-0044-0.65A |
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English Chinese Chinese and English Japanese |
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2014-03-01 |
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351 KB |
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