CDx4HC138, CDx4HCT138, CDx4HC238, CDx4HCT238 High-Speed CMOS Logic 3- to 8-Line Decoder/Demultiplexer Inverting and Noninverting

1 Features • Select one of eight data outputs: – Active low for '138 – Active high for '238 • l/O port or memory selector • Three enable inputs to simplify cascading • Typical propagation delay of 13 ns at VCC = 5 V, CL = 15 pF, TA = 25°C • Fanout (over temperature range) – Bus driver out

3 TO 8 LINE DECODER

DESCRIPTION The M54/74HC238 is a high speed CMOS 3 to 8 line decoder fabricated insilicon gate C2MOStechnology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption. ■ HIGH SPEED tPD = 14 ns (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) A

High-Speed CMOS Logic 3- to 8-Line Decoder/ Demultiplexer Inverting and Noninverting

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High-Speed CMOS Logic 3- to 8-Line Decoder/ Demultiplexer Inverting and Noninverting

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High-Speed CMOS Logic 3- to 8-Line Decoder/ Demultiplexer Inverting and Noninverting

文件：407.79 Kbytes Page：18 Pages