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UT54ACS138 PDF预览

UT54ACS138

更新时间: 2024-09-16 01:19:23
品牌 Logo 应用领域
艾法斯 - AEROFLEX /
页数 文件大小 规格书
10页 244K
描述
3-Line to 8-Line Decoders/Demultiplexers

UT54ACS138 数据手册

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Standard Products  
UT54ACS138/UT54ACTS138  
3-Line to 8-Line Decoders/Demultiplexers  
Datasheet  
November 2010  
www.aeroflex.com/logic  
FEATURES  
PINOUTS  
16-Pin DIP  
Top View  
‰ 1.2μ CMOS  
- Latchup immune  
‰ High speed  
A
1
16  
VDD  
‰ Low power consumption  
‰ Single 5 volt supply  
‰ Available QML Q or V processes  
‰ Flexible package  
- 16-pin DIP  
- 16-lead flatpack  
‰ UT54ACS138 - SMD 5962-96544  
‰ UT54ACTS138 - SMD 5962-96545  
B
C
2
3
4
5
6
7
8
15  
14  
13  
12  
11  
10  
9
Y0  
Y1  
Y2  
Y3  
Y4  
Y5  
Y6  
G2A  
G2B  
G1  
Y7  
VSS  
DESCRIPTION  
16-Lead Flatpack  
Top View  
The UT54ACS138 and the UT54ACTS138 3-line to 8-line de-  
coders/demultiplexers are designed to be used in high-perfor-  
mance memory-decoding or data-routing applications requiring  
very short propagation delay times.  
A
1
16  
VDD  
B
C
2
3
4
5
6
7
8
15  
14  
13  
12  
11  
10  
9
Y0  
Y1  
Y2  
Y3  
Y4  
Y5  
Y6  
The conditions at the binary select inputs and the three enable  
inputs select one of eight output lines. Two active-low and one  
active-high enable inputs reduce the need for external gates of  
inverters when expanding. A 24-line decoder can be implement-  
ed without external inverters and a 32-line decoder requiresonly  
one inverter. An enable input can be used as a data input for  
demultiplexing applications.  
G2A  
G2B  
G1  
Y7  
VSS  
The devices are characterized over full military temperature  
range of -55°C to +125°C.  
FUNCTION TABLE  
ENABLE INPUTS  
SELECT INPUTS  
OUTPUT  
G1  
X
G2A  
X
X
H
L
G2B  
C
X
X
X
L
B
X
X
X
L
A
X
X
X
L
Y0  
H
H
H
L
Y1  
H
H
H
H
L
Y2  
H
H
H
H
H
L
Y3  
H
H
H
H
H
H
L
Y4  
H
H
H
H
H
H
H
L
Y5  
H
H
H
H
H
H
H
H
L
Y6  
H
H
H
H
H
H
H
H
H
L
Y7  
H
H
H
H
H
H
H
H
H
H
L
H
X
X
L
L
L
L
L
L
L
L
L
X
H
H
H
H
H
H
H
H
L
L
L
H
L
H
H
H
H
H
H
H
L
L
H
H
L
H
H
H
H
H
H
L
L
H
L
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
L
H
L
H
H
H
L
H
H
H
H
L
H
H

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