參數(shù)資料
型號(hào): 74AVC16835
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: 18-bit registered driver 3-State
中文描述: AVC SERIES, 18-BIT DRIVER, TRUE OUTPUT, PDSO56
文件頁數(shù): 3/10頁
文件大小: 89K
代理商: 74AVC16835
Philips Semiconductors
Preliminary specification
74AVC16835
18-bit Registered Driver (3-State)
1999 Jul 23
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.
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