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参数资料
| 型号： | 74ALS139 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | Dual 1-of-4 decoder/demultiplexer(两通道4选1译码器/多路分解器) |
| 中文描述： | 双1 - 4解码器/分离器（两通道4选1译码器/多路分解器） |
| 文件页数： | 3/8页 |
| 文件大小： | 97K |
| 代理商： | 74ALS139 |
Philips Semiconductors
Product specification
74ALS139
Dual 1-of-4 decoder/demultiplexer
1991 Feb 08
3
LOGIC DIAGRAM
SF00132
1
2
3
Ea
A0a
A1a
4
5
6
7
Q0a
Q1a
Q2a
Q3a
V
= Pin 16
GND = Pin 8
15
14
13
Eb
A0b
A1b
12
11
10
9
Q0b
Q1b
Q2b
Q3b
FUNCTION TABLE
INPUTS
OUTPUTS
E
A0
A1
Q0
Q1
Q2
Q3
H
X
X
H
H
H
H
L
L
L
L
H
H
H
L
H
L
H
L
H
H
L
L
H
H
H
L
H
L
H
H
H
H
H
L
H =
L
X =
High voltage level
Low voltage level
Don’t care
=
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
Supply voltage
–0.5 to +7.0
V
V
IN
Input voltage
–0.5 to +7.0
V
I
IN
Input current
–30 to +5
mA
V
OUT
Voltage applied to output in High output state
–0.5 to V
CC
V
I
OUT
Current applied to output in Low output state
16
mA
T
amb
Operating free-air temperature range
0 to +70
°
C
T
stg
Storage temperature range
–65 to +150
°
C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
NOM
MAX
V
CC
Supply voltage
4.5
5.0
5.5
V
V
IH
High-level input voltage
2.0
V
V
IL
Low-level input voltage
0.8
V
I
Ik
Input clamp current
–18
mA
I
OH
High-level output current
–0.4
mA
I
OL
Low-level output current
8
mA
T
amb
Operating free-air temperature range
0
+70
°
C
相关PDF资料 |
PDF描述 |
|---|---|
| 74ALS139N | Dual 1-of-4 decoder/demultiplexer |
| 74ALS151D | 8-input multiplexer |
| 74ALS151 | 8-input multiplexer(8输入多路复用器) |
| 74ALS151N | 8-input multiplexer |
| 74ALS153D | Dual 4-input multiplexer |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 74ALS139D | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Dual 1-of-4 decoder/demultiplexer |
| 74ALS139N | 制造商:NXP Semiconductors 功能描述: 制造商:NXP Semiconductors 功能描述:ALS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDIP16 |
| 74ALS151 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-input multiplexer |
| 74ALS151D | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-input multiplexer |
| 74ALS151M NSC89 | 制造商:National Semiconductor 功能描述:74ALS151 SMT NSC S8L2B |
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