3 to 8 Line Decoder

Favorite

Overview

The MM74HC138 decoder utilizes advanced silicon-gate CMOS technology and is well suited to memory address decoding or data routing applications. The circuit features high noise immunity and low power consumption usually associated with CMOS circuitry, yet has speeds comparable to low power Schottky TTL logic. The MM74HC138 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. The decoder's outputs can drive 10 low power Schottky TTL equivalent loads, and are functionally and pin equivalent to the 74LS138. All inputs are protected from damage due to static discharge by diodes to VCC and ground.

  • This product is general usage and suitable for many different applications.
  • Typical propagation delay: 20 ns
  • Wide power supply range: 2V-6V
  • Low quiescent current: 80 µA maximum (74HC Series)
  • Low input current: 1 µA maximum
  • Fanout of 10 LS-TTL loads

Product List

If you wish to buy products or product samples, please log in to your onsemi account.

Search

Close Search

Products:

5

Share

Product Groups:

Orderable Parts:

5

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Type

Channels

VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Reference Price

MM74HC138M

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-16

1

260

TUBE

48

N

Coder/Decoder

1

2

6

null

null

$0.2388

More Details

MM74HC138MTC

Loading...

Last Shipments

CAD Model

Pb

A

H

P

TSSOP-16

1

260

TUBE

96

N

Coder/Decoder

1

2

6

null

null

Price N/A

More Details

MM74HC138MTCX

Loading...

Active

CAD Model

Pb

A

H

P

TSSOP-16

1

260

REEL

2500

N

Coder/Decoder

1

2

6

null

null

$0.1903

More Details

MM74HC138MX

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-16

1

260

REEL

2500

N

Coder/Decoder

1

2

6

null

null

$0.1761

More Details

MM74HC138N

Loading...

Obsolete

CAD Model

Pb

A

H

P

E-PKG AXIAL-LEADED GLASS DIODE

NA

-

RAIL

2500

N

Coder/Decoder

1

-

-

null

-

Price N/A

More Details

Show More

1-25 of 25

Products per page

Jump to :