參數(shù)資料
型號(hào): 74VHC153SJ
廠商: Fairchild Semiconductor
文件頁數(shù): 2/9頁
文件大小: 0K
描述: MULTIPLEXER DUAL 4IN 16SOP
標(biāo)準(zhǔn)包裝: 47
系列: 74VHC
類型: 多路復(fù)用器
電路: 2 x 4:1
獨(dú)立電路: 1
輸出電流高,低: 8mA,8mA
電壓電源: 單電源
電源電壓: 2 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOP
包裝: 管件
74VHC153
Dual
4-Input
Multiple
x
e
r
1993 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHC153 Rev. 1.2
2
Logic Symbols
IEEC/IEC
Functional Description
The VHC153 is a dual 4-input multiplexer. It can select two
bits of data from up to four sources under the control of the
common Select inputs (S0, S1). The two 4-input multi-
plexer circuits have individual active-LOW Enables (Ea,
Eb) which can be used to strobe the outputs indepen-
dently. When the Enables (Ea, Eb) are HIGH, the corre-
sponding outputs (Za, Zb) are forced LOW. The VHC153 is
the logic implementation of a 2-pole, 4-position switch,
where the position of the switch is determined by the logic
levels supplied to the Select inputs. The logic equations for
the outputs are shown below.
Za = Ea (I0a S1 S0 + I1a S1 S0 + I2a S1 S0
+ I3a S1 S0)
Zb = Eb (I0b S1 S0 + I1b S1 S0 + I2b S1 S0
+ I3b S1 S0)
Truth Table
H
= HIGH Voltage Level
L
= LOW Voltage Level
X
= Immaterial
Select
Inputs (a or b)
Output
Inputs
S0
S1
E
I0
I1
I2
I3
Z
XX
H
XXXX
L
LLLL
X
L
LLL
H
X
H
HL
LXLX
X
L
HL
L
XHX
X
H
LHL
X
L
X
L
LHL
X
H
X
H
HH
L
XXX
L
HH
L
XXX
H
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