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74F139 반도체 회로 부품 판매점

Dual 1-of-4 decoder/demultiplexer



NXP Semiconductors 로고
NXP Semiconductors
74F139 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
74F139
Dual 1-of-4 decoder/demultiplexer
Product specification
IC15 Data Handbook
1990 Feb 23
Philips
Semiconductors


74F139 데이터시트, 핀배열, 회로
Philips Semiconductors
1-of-4 decoder/demultiplexer
Product specification
74F139
FEATURES
Demultiplexing capability
Two independent 1-of-4 decoders
Multifunction capability
DESCRIPTION
The 74F139 is a high speed, dual 1-of-4 decoder/demultiplexer. This
device has two independent decoders, each accepting two binary
weighted inputs (A0n, A1n) and providing four mutually exclusive
active-Low outputs (Q0n–Q3n). Each decoder has an active-Low
Enable (E). When E is High, every output is forced High. The Enable
can be used as the Data input for a 1-of-4 demultiplexer application.
PIN CONFIGURATION
Ea 1
A0a 2
A1a 3
Q0a 4
Q1a 5
Q2a 6
Q3a 7
GND 8
16 VCC
15 Eb
14 A0b
13 A1b
12 Q0b
11 Q1b
10 Q2b
9 Q3b
SF00129
TYPE
74F139
TYPICAL
PROPAGATION
DELAY
5.3ns
TYPICAL
SUPPLY CURRENT
(TOTAL)
13mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
VCC = 5V ±10%,
Tamb = 0°C to +70°C
16-pin plastic DIP
N74F139N
16-pin plastic SO
N74F139D
PKG DWG #
SOT38-4
SOT109-1
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F (U.L.) HIGH/LOW
Ana, Anb
Address inputs
1.0/1.0
Ea, Eb
Enable inputs (active Low)
1.0/1.0
Q0n–Q3n
Data outputs (active Low)
50/33
NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.
LOAD VALUE HIGH/LOW
20µA/0.6mA
20µA/0.6mA
1.0mA/20mA
LOGIC SYMBOL
IEC/IEEE SYMBOL
1 23
15 14 13
Ea A0a A1a
DECODER a
Q0a Q1a Q2a Q3a
Eb A0b A1b
DECODER b
Q0b Q1b Q2b Q3b
4
VCC = Pin 16
GND = Pin 8
56 7
12 11 10 9
SF00130
DEMUX
24
00
3
1
G
0
3
1
5
6
2
17
3
14 12
13 11
10
15 9
SF00131
February 23, 1990
2
853–0344 98903




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74F139 multiplexer

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