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74LV257 Arkusz danych(PDF) 3 Page - NXP Semiconductors

Numer części 74LV257
Szczegółowy opis  Quad 2-input multiplexer 3-State
Download  12 Pages
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Producent  PHILIPS [NXP Semiconductors]
Strona internetowa  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74LV257 Arkusz danych(HTML) 3 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74LV257
Quad 2-input multiplexer (3-State)
1998 May 20
3
LOGIC SYMBOL
SV00637
1
S
OE
2
1I0
2I0
3I0
4I0
11I
2I1
3I1
4I1
35
4
1Y
6
7
2Y
10
12
4Y
14
11
9
3Y
13
15
LOGIC SYMBOL (IEEE/IEC)
SV00638
EN
G1
15
1
7
4
9
12
6
5
3
2
MUX
1
11
10
14
13
1
LOGIC DIAGRAM
SV00640
OE
1Y
2Y
3Y
4Y
1I1
1I0
2I1
2I0
3I1
3I0
4I1
4I0
S
FUNCTIONAL DIAGRAM
SV00639
OE
S
SELECTOR
3–STATE
MULTIPLEXER
OUTPUTS
1I0
1Y
2Y
3Y
4Y
1I1
2I0
2I1
3I0
3I1
4I0
4I1
115
7
4
9
12
6
5
2
3
11
10
14
13
FUNCTION TABLE
INPUTS
OUTPUTS
OE
S
nl0
nl1
nY
H
X
X
X
Z
L
H
X
L
L
L
H
X
H
H
L
L
L
X
L
L
L
H
X
H
NOTES:
H =
HIGH voltage level
L
=
LOW voltage level
X =
don’t care
Z =
high impedance OFF-state


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