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CD74HC257

Part Number	CD74HC257
Manufacturer	Texas Instruments
Description	Quad 2-Input Multiplexer
Published	Jun 20, 2020
Detailed Description	Data sheet acquired from Harris Semiconductor SCHS171D November 1997 - Revised October 2003 CD54HC257, CD74HC257, CD54H...
Datasheet	CD74HC257 PDF File

Overview

Data sheet acquired from Harris Semiconductor SCHS171D November 1997 - Revised October 2003 CD54HC257, CD74HC257, CD54HCT257, CD74HCT257 High-Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs [ /Title (CD74 HC257 , CD74 HCT25 7) /Subject (High Speed CMOS Logic Quad 2-Input Multiplexer Features • Buffered Inputs • Typical Propagation Delay ( In to Output ) = 12ns at VCC = 5V, CL = 15pF, TA = 25oC • 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 6V Operation - High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V • HCT Types - 4.
5V to 5.
5V Operation - Direct LSTTL Input Logic Compatibility, VIL= 0.
8V (Max), VIH = 2V (Min) - CMOS Input Compatibility, Il ≤ 1µA a...

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