參數(shù)資料
型號(hào): 74AVCM162835
廠商: NXP Semiconductors N.V.
英文描述: 18-bit registered driver with 15Ω termination resistors (3-State)(帶15Ω終端電阻的18位寄存驅(qū)動(dòng)器(三態(tài)))
中文描述: 18位注冊(cè)的驅(qū)動(dòng)程序15Ω端接電阻器(3態(tài))(帶15Ω終端電阻的18位寄存驅(qū)動(dòng)器(三態(tài)))
文件頁(yè)數(shù): 3/10頁(yè)
文件大小: 89K
代理商: 74AVCM162835
Philips Semiconductors
18-bit registered driver with 15
termination
resistors (3-State)
Product specification
74AVCM162835
1999 Sep 14
3
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1, 2, 55
NC
No connection
3, 5, 6, 8, 9, 10, 12, 13,
14, 15, 16, 17, 19, 20,
21, 23, 24, 26
Y
0
to Y
17
Data outputs
4, 11, 18, 25, 32, 39, 46,
53, 56
GND
Ground (0V)
7, 22, 35, 50
V
CC
Positive supply voltage
27
OE
Output enable input
(active LOW)
28
LE
Latch enable input
(active HIGH)
30
CP
Clock input
54, 52, 51, 49, 48, 47,
45, 44, 43, 42, 41, 40,
38, 37, 36, 34, 33, 31
A
0
to A
17
Data inputs
LOGIC SYMBOL
SH00138
CP
LE
D
OE
CP
LE
A
0
Y
0
TO THE 17 OTHER CHANNELS
LOGIC SYMBOL (IEEE/IEC)
1
1
30
28
54
52
51
49
48
47
45
44
43
42
41
40
38
37
36
34
33
31
3
5
6
8
9
10
12
13
14
15
16
17
19
20
21
23
24
26
3D
27
2C3
EN1
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
A
11
A
12
A
13
A
14
A
15
A
16
A
17
OE
CP
Y
0
Y
1
Y
2
Y
3
Y
4
Y
5
Y
6
Y
7
Y
8
Y
9
Y
10
Y
11
Y
12
Y
13
Y
14
Y
15
Y
16
Y
17
LE
C3
G2
SH00154
FUNCTION TABLE
INPUTS
OUTPUTS
OE
H
LE
X
CP
X
A
X
Z
L
H
X
L
L
L
H
X
H
H
H
L
L
L
L
L
L
H
H
L
L
X
Y
01
Y
02
L
=
=
=
=
=
L
L
X
H
L
X
Z
HIGH voltage level
LOW voltage level
Don’t care
High impedance “off” state
LOW-to-HIGH level transition
NOTES:
1. Output level before the indicated steady-state input conditions
were established, provided that CP is high before LE goes low.
2. Output level before the indicated steady-state input conditions
were established.
相關(guān)PDF資料
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