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參數資料
| 型號： | DM74ALS137MX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 3-To-8-Line Demultiplexer |
| 中文描述： | ALS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16 |
| 封裝： | 0.150 INCH, MS-012, SOIC-16 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 57K |
| 代理商： | DM74ALS137MX |
2000 Fairchild Semiconductor Corporation
DS006202
www.fairchildsemi.com
February 1991
Revised February 2000
D
DM74ALS137
3 to 8 Line Decoder/Demultiplexer with Address Latches
General Description
The ALS137 is a three line to eight line decoder/demulti-
plexer with latches on the three address inputs. When the
latch-enable input (GL) is LOW, the ALS137 acts as a
decoder/demultiplexer. When GL goes from LOW-to-HIGH,
the address present at the select inputs (A, B, and C) is
stored in the latches. Further address changes are ignored
as long as GL remains HIGH. The output enable controls,
G1 and G2, control the state of the outputs independently
of the select or latch-enable inputs. All of the outputs are
HIGH unless G1 is HIGH and G2 is LOW. The ALS137 is
ideally suited for implementing glitch-free decoders in
strobed (stored-address) applications in bus-oriented sys-
tems.
Features
I
Combines decoder and 3-bit address latch
I
Incorporates 3 enable inputs to simplify cascading
I
Low power dissipation:
I
Switching specifications guaranteed over full tempera-
ture and V
CC
range
I
Advanced oxide-isolated, ion-implanted Schottky TTL
process
28 mW typ
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
L
=
LOW State
H
=
HIGH State
X
=
Don't Care
Order Number
DM74ALS137M
DM74ALS137N
Package Number
M16A
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Inputs
Outputs
Enable
Select
GL G1 G2
X
X
X
L
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
H
H
C
X
X
L
L
L
L
H
H
H
H
X
B
X
X
L
L
H
H
L
L
H
H
X
A
X
X
L
H
L
H
L
H
L
H
X
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
H
H
H
H
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Output corresponding to stored
address, L; all others, H
H
X
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
L
相關PDF資料 |
PDF描述 |
|---|---|
| DM74ALS138 | 3 to 8 Line Decoder/Demultiplexer |
| DM74ALS138M | 3 to 8 Line Decoder/Demultiplexer |
| DM74ALS138N | 3 to 8 Line Decoder/Demultiplexer |
| DM74ALS138SJ | 3 to 8 Line Decoder/Demultiplexer |
| DM74ALS138SJX | 3-To-8-Line Demultiplexer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74ALS137N | 功能描述:編碼器、解碼器、復用器和解復用器 Decode/Demult Latch RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| DM74ALS137N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3-To-8-Line Demultiplexer |
| DM74ALS137N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3-To-8-Line Demultiplexer |
| DM74ALS137N_Q | 功能描述:編碼器、解碼器、復用器和解復用器 Decode/Demult Latch RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| DM74ALS138 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3 to 8 Line Decoder/Demultiplexer |
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