Data sheet acquired from Harris Semiconductor SCHS170B November 1997 - Revised October 2003 CD74HC253, CD74HCT253 High-Speed CMOS Logic Dual 4-Input Multiplexer [ /Title (CD74 HC253 , CD74 HCT25 3) /Subject (High Speed CMOS Logic Dual 4-Input Multiplexer) Features Description • Common Select Inputs • Separate Output-Enable Inputs • Three-State Outputs • Fanout (Over Temperature Range) - Standard Outputs .
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10 LSTTL Loads - Bus Driver Outputs .
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15 LSTTL Loads • Wide Operating Temperature Range .
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-55oC to 125oC • Balanced Propagation Delay and Transition Times • Significant Power Reduction Compared to LSTTL Logic ICs • HC Types - 2V to...

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