Product Summary

The 74HC138D is a high-speed Si-gate CMOS device. It is pin compatible with low power Schottky TTL(LSTTL). The device is specified in compliance with JEDEC standard no. 7A.

Parametrics

74HC138D quick reference data: (1)propagation delay(CL = 15 pF; VCC = 5 V):An to Yn:12ns to 17ns,E3 to Yn:14ns to 19ns; (2)input capacitance:3.5pF; (3)power dissipation capacitance per package:67pF.

Features

74HC138D features: (1)Demultiplexing capability; (2)Multiple input enable for easy expansion; (3)Ideal for memory chip select decoding; (4)Active LOW mutually exclusive outputs; (5)Output capability: standard; (6)ICC category: MSI.

Diagrams

74HC138D pin configuration

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
74HC138D
74HC138D
Other

Data Sheet
Negotiable 
74HC138D,652
74HC138D,652
NXP Semiconductors
Encoders, Decoders, Multiplexers & Demultiplexers 3-8 LINE DCOD/DMUX
Data Sheet
0-1: $0.06
1-25: $0.06
25-100: $0.05
100-250: $0.05
74HC138D,653
74HC138D,653
NXP Semiconductors
Encoders, Decoders, Multiplexers & Demultiplexers 3-OF-8 DECODER/DEMUX
Data Sheet
0-1: $0.24
1-25: $0.20
25-100: $0.16
100-250: $0.11
74HC138DB,118
74HC138DB,118
NXP Semiconductors
Encoders, Decoders, Multiplexers & Demultiplexers 3-OF-8 DECODER/DEMUX
Data Sheet
0-1: $0.26
1-25: $0.22
25-100: $0.18
100-250: $0.15
74HC138DB,112
74HC138DB,112
NXP Semiconductors
Encoders, Decoders, Multiplexers & Demultiplexers 3-OF-8 DECODER/DEMUX
Data Sheet
0-1: $0.26
1-25: $0.22
25-100: $0.18
100-250: $0.15
74HC138DB
74HC138DB
NXP Semiconductors
Encoders, Decoders, Multiplexers & Demultiplexers 3-OF-8 DECODER/DEMUX
Data Sheet
Negotiable 
74HC138DR2G
74HC138DR2G
ON Semiconductor
Encoders, Decoders, Multiplexers & Demultiplexers DECODER DEMULTIPLEXR 1 OF 8
Data Sheet
0-1: $0.31
1-25: $0.20
25-100: $0.16
100-500: $0.11
74HC138DTR2G
74HC138DTR2G
ON Semiconductor
Encoders, Decoders, Multiplexers & Demultiplexers DECODER DEMULTIPLEXR 1 OF 8
Data Sheet
Negotiable