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參數(shù)資料
| 型號： | DM74ALS253MX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-Input Digital Multiplexer |
| 中文描述： | ALS SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | 0.150 INCH, MS-012, SOIC-16 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 54K |
| 代理商： | DM74ALS253MX |
2000 Fairchild Semiconductor Corporation
DS006215
www.fairchildsemi.com
April 1984
Revised February 2000
D
DM74ALS253
3-STATE Dual 1-of-4 Line Data Selector/Multiplexer
General Description
This Data Selector/Multiplexer contains full on-chip decod-
ing to select one-of-four data sources as a result of a
unique two-bit binary code at the Select Inputs. Each of the
two Data Selector/Multiplexer circuits have their own sepa-
rate Data and Output Control inputs and a non-inverting 3-
STATE output buffer. The Output Control inputs, when at
the high level, place the corresponding output in the high
impedance OFF-State. In order to prevent bus access con-
flicts, output disable times are shorter than output enable
times. The Select input buffers incorporate internal overlap
features to ensure that select input changes do not cause
invalid output transients.
Features
I
Advanced oxide-isolated, ion-implanted Schottky TTL
process
I
Switching performance is guaranteed over full tempera-
ture and V
CC
supply range
I
Pin and functional compatible with LS family counterpart
I
Improved output transient handling capability
I
Output control circuitry incorporates power-up 3-STATE
feature
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Address inputs A and B are common to both sections
H
=
HIGH Level
L
=
LOW Level
X
=
Don't Care
Z
=
High Impedance
Order Number
DM74ALS253M
DM74ALS253N
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
Select
Data Inputs
Output
Output
Inputs
Control
B
X
L
L
L
L
H
H
H
H
A
X
L
L
H
H
L
L
H
H
C0
X
L
H
X
X
X
X
X
X
C1
X
X
X
L
H
X
X
X
X
C2
X
X
X
X
X
L
H
X
X
C3
X
X
X
X
X
X
X
L
H
G
H
L
L
L
L
L
L
L
L
Y
Z
L
H
L
H
L
H
L
H
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| DM74ALS257 | 3-STATE Quad 1-of-2-Line Data Selector/Multiplexer(四2選1線數(shù)據(jù)選擇器/多路復(fù)用器（三態(tài)輸出）) |
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| DM74ALS257N | 3-STATE Quad 1-of-2-Line Data Selector/Multiplexer |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74ALS253N | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-STATE Data Sel/Mul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| DM74ALS253N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Input Digital Multiplexer |
| DM74ALS253N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Input Digital Multiplexer |
| DM74ALS253N_Q | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-STATE Data Sel/Mul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| DM74ALS2541N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Non-Inverting Buffer/Driver |
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