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CD74HC243

具有三態(tài)輸出的高速 CMOS 邏輯四路總線收發(fā)器; ? Typical Propagation Delay (A to B, B to A) of 7ns at VCC = 5V, CL = 15pF, TA = 25°C\n? Three-State Outputs\n? Buffered Inputs\n? Fanout (Over Temperature Range) \n? Standard Outputs . . . 10 LSTTL Loads\n? Bus Driver Outputs . . . . 15 LSTTL Loads\n \n? Wide Operating Temperature Range . . . –55°C to 125°C\n? Balanced Propagation Delay and Transition Times\n? Significant Power Reduction Compared to LSTTL Logic ICs\n? HC Types \n? 2V to 6V Operation\n? High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V\n \n? HCT Types \n? 4.5V to 5.5V Operation\n? Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)\n? CMOS Input Compatibility, Il 1μA at VOL, VOH\n \n Data sheet acquired from Harris Semiconductor;

The ?HC243 and ?HCT243 silicon-gate CMOS three-state bidirectional noninverting buffers are intended for two-way asynchronous communication between data buses. They have high-drive-current outputs that enable high-speed operation when driving large bus capacitances. These circuits possess the low power dissipation of CMOS circuits and have speeds comparable to low-power Schottky TTL circuits. They can drive 15 LSTTL loads.\n\n The states of the output-enable (OEB\\, OEA) inputs determine both the direction of flow (A to B, B to A), and the three-state mode.

CD74HC243

High Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs

CD74HC243

High-Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs

CD74HC243

High-Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs

CD74HC243E

High Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs

CD74HC243E

High-Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs

CD74HC243E

High-Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs

CD74HC243EE4

High-Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs

CD74HC243EE4

High-Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs

CD74HC243M

High Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs