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MM74HC153 bảng dữ liệu(PDF) 1 Page - National Semiconductor (TI) |
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MM74HC153 bảng dữ liệu(HTML) 1 Page - National Semiconductor (TI) |
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1 / 4 page ![]() TLF5107 January 1988 MM54HC153MM74HC153 Dual 4-Input Multiplexer General Description This 4-to-1 line multiplexer utilizes advanced silicon-gate CMOS technology It has the low power consumption and high noise immunity of standard CMOS integrated circuits This device is fully buffered allowing it to drive 10 LS-TTL loads Information on the data inputs of each multiplexer is selected by the address on the A and B inputs and is pre- sented on the Y outputs Each multiplexer possesses a strobe input which enables it when taken to a low logic lev- el When a high logic level is applied to a strobe input the output of its associated multiplexer is taken low The 54HC74HC logic family is functionally and pinout com- patible with the standard 54LS74LS logic family All inputs are protected from damage due to static discharge by inter- nal diode clamps to VCC and ground Features Y Typical propagation delay 24 ns Y Wide power supply range 2V – 6V Y Low quiescent current 80 mA maximum (74HC Series) Y Low input current 1 mA maximum Y Fanout of 10 LS-TTL loads Connection Diagram Dual-In-Line Package TLF5107 – 1 Top View Order Number MM54HC153 or MM74HC153 Truth Table Select Data Inputs Strobe Output Inputs B A C0 C1 C2 C3 G Y X X XXXX H L L L L XXX L L L L H XXX L H L H XLX X L L L H XHX X L H H L X XLX L L H L X XHX L H H H XXX L L L H H XXX H L H Select inputs A and B are common to both sections H e high level L e low level X e don’t care C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
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