The HD74HC138 has 3 binary select inputs (A, B and C). If the device is enabled these inputs determine which one of the eight normally high outputs will go low. Two active low and one active high enables (G1, G2A and G2B) are provided to ease the cascading of decoders.

Features

  • High-Speed Operation: tpd (A, B, C to Y) = 16.5 ns typ (CL = 50 pF)
  • High Output Current: Fanout of 10 LSTTL Loads
  • Wide Operating Voltage: VCC = 2 V to 6 V
  • Low Input Current: 1 µA max
  • Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

Product Options

Orderable Part ID Part Status Buy Sample
HD74HC138RP
Obsolete
Availability

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
HD74HC138 Datasheet 日本語 Datasheet PDF 134 KB
HD74HC Series Common Information Datasheet PDF 295 KB
PCNs & PDNs
Unification of a JEDEC tray and a embossed carrier tape for LQFP package (Additional Information & Correction) 日本語 Product Change Notice PDF 4.86 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package 日本語 Product Change Notice PDF 3.74 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package 日本語 Product Change Notice PDF 1.46 MB
Other
Renesas General-Purpose ICs Power Management Linear ICs / General-Purpose Linear ICs / General-Purpose Logic ICs General Catalog Brochure PDF 5.23 MB
Renesas Semiconductor Lead-Free Packages Brochure PDF 1.32 MB