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74ALVCH162244DGG Datenblatt(Datasheet) 3 Page - NXP Semiconductors

Teile-Nr. 74ALVCH162244DGG
Beschreibung  16-bit buffer/line driver with 30ohm termination resistor 3-State
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Hersteller  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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Philips Semiconductors
Product specification
74ALVCH162244
16-bit buffer/line driver with 30
W termination resistor
(3-State)
1998 Jun 29
3
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1
1OE
Output enable input
(active LOW)
2, 3, 5, 6
1Y0 to 1Y3
Data outputs
4, 10, 15, 21,
28, 34, 39, 45
GND
Ground (0V)
7, 18, 31, 42
VCC
Positive supply voltage
8, 9, 11, 12
2Y0 to 2Y3
13, 14, 16, 17
3Y0 to 3Y3
Data outputs
19, 20, 22, 23
4Y0 to 4Y3
24
4OE
Output enable input
(active LOW)
25
3OE
Output enable input
(active LOW)
30, 29, 27, 26
4A0 to 4A3
36, 35, 33, 32
3A0 to 3A3
Data inputs
41, 40, 38, 37
2A0 to 2A3
Data inputs
47, 46, 44, 43
1A0 to 1A3
48
2OE
Output enable input
(active LOW)
LOGIC SYMBOL
47
46
44
43
1
2
3
5
6
1A0
1A1
1A2
1A3
1OE
1Y0
1Y1
1Y2
1Y3
36
35
33
32
25
13
14
16
17
3A0
3A1
3A2
3A3
3OE
3Y0
3Y1
3Y2
3Y3
41
40
38
37
48
8
9
11
12
2A0
2A1
2A2
2A3
2OE
2Y0
2Y1
2Y2
2Y3
30
29
27
26
24
19
20
22
23
4A0
4A1
4A2
4A3
4OE
4Y0
4Y1
4Y2
4Y3
SW00195
FUNCTION TABLE
INPUTS
OUTPUT
nOE
nAn
nYn
L
L
L
L
H
H
H
X
Z
H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
LOGIC SYMBOL (IEEE/IEC)
SW00060
48
EN1
1
46
44
43
41
40
38
37
36
EN2
EN3
EN4
2
3
4
1
25
24
47
35
33
32
30
29
27
26
3
2
5
6
8
9
11
12
13
14
16
17
19
20
22
23
1OE
2OE
3OE
4OE
1A0
1A1
1A2
1A3
2A0
2A1
2A2
3A0
3A1
3A2
3A3
4A0
4A1
4A2
4A3
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
3Y0
3Y1
3Y2
3Y3
4Y0
4Y3
2A3
4Y1
4Y2
1
1
1
1
BUS HOLD CIRCUIT
To internal circuit
VCC
Data Input
SW00044




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