参数资料
型号: 74ALVCH16825
厂商: NXP Semiconductors N.V.
英文描述: Automotive Catalog Quadruple Positive-NAND Gates With Schmitt-Trigger Inputs 14-TSSOP -40 to 125
中文描述: 18位缓冲器/驱动器三态
文件页数: 3/10页
文件大小: 73K
代理商: 74ALVCH16825
Philips Semiconductors
Product specification
74ALVCH16825
18-bit buffer/driver (3-State)
1998 Jul 27
3
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1
1OE1
Output enable input
(active LOW)
56
1OE2
55, 54, 52, 51, 49,
48, 47, 45, 44
1A0 to 1A8
Data inputs
2, 3, 5, 6, 8,
9, 10, 12, 13
1Y0 to 1Y8
Data outputs
4, 11, 14, 15, 18, 25,
32, 39, 42, 43, 46, 53
GND
Ground (0V)
7, 22, 35, 50
V
CC
Positive supply voltage
28
2OE1
Output enable input
(active LOW)
29
2OE2
43, 42, 41, 40, 38,
37, 36, 34, 33, 31
2A0 to 2A8
Data inputs
16, 17, 19, 20, 21,
23, 24, 26, 27
2Y0 to 2Y8
Data outputs
LOGIC SYMBOL
55
54
52
51
49
48
47
45
44
41
40
38
37
36
34
33
31
30
3
5
6
8
9
10
12
13
16
17
19
20
21
23
24
26
1A
0
1A
1
1A
2
1A
3
1A
4
1A
5
1A
6
1A
7
1A
8
2A
0
2A
1
2A
2
2A
3
2A
4
2A
5
2A
6
2A
7
2A
8
1Y
0
1Y
1
1Y
2
1Y
3
1Y
4
1Y
5
1Y
6
1Y
7
1Y
8
2Y
0
2Y
1
2Y
2
2Y
3
2Y
4
2Y
5
2Y
6
2Y
7
2Y
8
2
27
SH00142
1OE1
1OE2
2OE1
2OE2
1
56
28
29
FUNCTION TABLE
INPUTS
nOE2
L
OUTPUT
Y
nOE1
L
A
L
L
L
L
H
H
H
X
X
Z
X
H
X
Z
H
L
X
Z
=
=
=
=
HIGH voltage level
LOW voltage level
Don’t care
High impedance “off” state
LOGIC SYMBOL (IEEE/IEC)
1, 1
1, 2
56
28
55
54
52
51
49
48
47
45
44
41
40
38
37
36
34
33
31
30
3
5
6
8
9
10
12
13
16
17
19
20
21
23
24
26
1
EN1
1A
0
1A
1
1A
2
1A
3
1A
4
1A
5
1A
6
1A
7
1A
8
2A
0
2A
1
2A
2
2A
3
2A
4
2A
5
2A
6
2A
7
2A
8
1Y
0
1Y
1
1Y
2
1Y
3
1Y
4
1Y
5
1Y
6
1Y
7
1Y
8
2Y
0
2Y
1
2Y
2
2Y
3
2Y
4
2Y
5
2Y
6
2Y
7
SH00141
29
2OE2
2OE1
1OE2
1OE1
2
2Y
8
27
EN2
&
&
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