參數(shù)資料
型號(hào)： MC74AC253DR2
廠商： MOTOROLA INC
元件分類： 編、解碼器及復(fù)用、解復(fù)用
英文描述： AC SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝： PLASTIC, SOIC-16
文件頁數(shù)： 1/8頁
文件大?。?/td> 179K
代理商： MC74AC253DR2
5-1
FACT DATA
Dual 4Input Multiplexer
with 3State Outputs
The MC74AC253/74ACT253 is a dual 4-input multiplexer with 3-state outputs. It
can select two bits of data from four sources using common select inputs. The
outputs may be individually switched to a high impedance state with a HIGH on the
respective Output Enable (OE) inputs, allowing the outputs to interface directly with
bus oriented systems.
Multifunctional Capability
Noninverting 3-State Outputs
Outputs Source/Sink 24 mA
′ACT253 Has TTL Compatible Inputs
15
16
14
13
12
11
10
2
1
3
4
5
6
7
VCC
9
8
OEb
S0
I3b
I2b
I1b
I0b
Zb
OEa
S1
I3a
I2a
I1a
I0a
Za
GND
PIN NAMES
I0a–I3a
Side A Data Inputs
I0b–I3b
Side B Data Inputs
S0, S1
Common Select Inputs
OEa
Side A Output Enable Input
OEb
Side B Output Enable Input
Za, Zb
3-State Outputs
TRUTH TABLE
Select
Inputs
Data Inputs
Output
Enable
Outputs
S0
S1
I0
I1
I2
I3
OE
Z
X
H
Z
L
X
L
H
X
L
H
L
X
L
X
L
H
L
X
H
X
L
H
L
H
X
L
X
L
H
X
H
X
L
H
X
L
H
X
H
L
H
Address inputs S0 and S1 are common to both sections.
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
MC74AC253
MC74ACT253
DUAL 4-INPUT
MULTIPLEXER WITH
3-STATE OUTPUTS
N SUFFIX
CASE 648-08
PLASTIC
D SUFFIX
CASE 751B-05
PLASTIC
LOGIC SYMBOL
S0
S1
OEa I0a I1a I2a I3a
Za
Zb
I0b I1b I2b I3b OEb
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC74AC253DR2G 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V Dual 4-Input Mux w/3-State Out 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
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