74ALVCH16825 查看數據表（PDF） - Philips Electronics
零件编号
产品描述 (功能)
生产厂家
74ALVCH16825 Datasheet PDF : 10 Pages
| |||
Philips Semiconductors
18-bit buffer/driver (3-State)
Product specification
74ALVCH16825
PIN DESCRIPTION
PIN NUMBER
1
56
55, 54, 52, 51, 49,
48, 47, 45, 44
2, 3, 5, 6, 8,
9, 10, 12, 13
4, 11, 14, 15, 18, 25,
32, 39, 42, 43, 46, 53
7, 22, 35, 50
28
29
43, 42, 41, 40, 38,
37, 36, 34, 33, 31
16, 17, 19, 20, 21,
23, 24, 26, 27
SYMBOL
1OE1
1OE2
NAME AND FUNCTION
Output enable input
(active LOW)
1A0 to 1A8 Data inputs
1Y0 to 1Y8 Data outputs
GND
Ground (0V)
VCC
2OE1
2OE2
Positive supply voltage
Output enable input
(active LOW)
2A0 to 2A8 Data inputs
2Y0 to 2Y8 Data outputs
LOGIC SYMBOL
1
56
1OE1 1OE2
2
1Y0
1A0
55
3
1Y1
1A1
54
5
1Y2
1A2
52
6
1Y3
1A3
51
8
1Y4
1A4
49
9
1Y5
1A5
48
10
1Y6
1A6
47
12
1Y7
1A7
45
13
1Y8
1A8
44
16
2Y0
2A0
41
17
2Y1
2A1
40
19
2Y2
2A2
38
20
2Y3
2A3
37
21
2Y4
2A4
36
23
2Y5
2A5
34
24
2Y6
2A6
33
26
2Y7
2A7
31
27
2Y8
2A8
30
2OE1 2OE2
28
29
FUNCTION TABLE
INPUTS
nOE1
nOE2
A
L
L
L
L
L
H
H
X
X
X
H
X
H = HIGH voltage level
L = LOW voltage level
X = Don’t care
Z = High impedance “off” state
LOGIC SYMBOL (IEEE/IEC)
1OE1 1
1OE2 56
2OE1 28
2OE2 29
1A0 55
1A1 54
1A2 52
1A3 51
1A4 49
1A5 48
1A6 47
1A7 45
1A8 44
2A0 41
2A1 40
2A2 38
2A3 37
2A4 36
2A5 34
2A6 33
2A7 31
2A8 30
&
EN1
&
EN2
1, 1 ∇
1, 2 ∇
SH00142
OUTPUT
Y
L
H
Z
Z
2 1Y0
3 1Y1
5 1Y2
6 1Y3
8 1Y4
9 1Y5
10 1Y6
12 1Y7
13 1Y8
16 2Y0
17 2Y1
19 2Y2
20 2Y3
21 2Y4
23 2Y5
24 2Y6
26 2Y7
27 2Y8
SH00141
1998 Jul 27
3
Share Link: 