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74HC139DB Datasheet Preview

74HC139DB Datasheet

Dual 2-to-4 line decoder/demultiplexer

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74HC139; 74HCT139
Dual 2-to-4 line decoder/demultiplexer
Rev. 4 — 11 December 2015
Product data sheet
1. General description
The 74HC139; 74HCT139 decodes two binary weighted address inputs (nA0, nA1) to four
mutually exclusive outputs (nY0 to nY3). Each decoder features an enable input (nE).
When nE is HIGH all outputs are forced HIGH. The enable input can be used as the data
input for a 1-to-4 demultiplexer application. Inputs include clamp diodes. This enables the
use of current limiting resistors to interface inputs to voltages in excess of VCC.
2. Features and benefits
Input levels:
For 74HC139: CMOS level
For 74HCT139: TTL level
Demultiplexing capability
2 independent 2-to-4 decoders
Multifunction capability
Suitable for memory decoding, data routing or code conversion
Complies with JEDEC standard no. 7A
Active LOW mutually exclusive outputs
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from 40 C to +85 C and from 40 C to +125 C
3. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range Name
74HC139D
40 C to +125 C SO16
74 HCT139D
74HC139DB
40 C to +125 C SSOP16
74HCT139DB
74HC139PW
40 C to +125 C TSSOP16
74HCT139PW
Description
plastic small outline package; 16 leads;
body width 3.9 mm
plastic shrink small outline package; 16 leads;
body width 5.3 mm
plastic thin shrink small outline package;
16 leads; body width 4.4 mm
Version
SOT109-1
SOT338-1
SOT403-1




nexperia

74HC139DB Datasheet Preview

74HC139DB Datasheet

Dual 2-to-4 line decoder/demultiplexer

No Preview Available !

Nexperia
4. Functional diagram

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Fig 1. Logic symbol


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Fig 3. IEC Logic symbol
74HC139; 74HCT139
Dual 2-to-4 line decoder/demultiplexer
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Fig 2. Functional diagram
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74HC_HCT139
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 11 December 2015
© Nexperia B.V. 2017. All rights reserved
2 of 17


Part Number 74HC139DB
Description Dual 2-to-4 line decoder/demultiplexer
Maker nexperia
PDF Download

74HC139DB Datasheet PDF






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