參數(shù)資料
型號(hào)： HMP8116
廠商： Intersil Corporation
英文描述： NTSC/PAL Video Decoder
中文描述： NTSC / PAL視頻解碼器
文件頁(yè)數(shù)： 38/43頁(yè)
文件大?。?/td> 182K
代理商： HMP8116
38
Pinout
80 LEAD PQFP
TOP VIEW
Applications Information
PCB LAYOUT CONSIDERATIONS
A PCB board with a minimum of 4 layers is recommended, with
layers 1 and 4 (top and bottom) for signals and layers 2 and 3
for power and ground. The PCB layout should implement the
lowest possible noise on the power and ground planes by pro-
viding excellent decoupling.
The optimum layout places the HMP8116 as close as possible
to the power supply connector and the video input connector.
Component Placement
External components should be positioned as close as pos-
sible to the appropriate pin, ideally such that traces can be
connected point to point. Chip capacitors are recommended
where possible, with radial lead ceramic capacitors the sec-
ond-best choice.
Power supply decoupling should be done using a 0.1
μ
F
ceramic capacitor in parallel with a 0.01
μ
F chip capacitor for
each group of V
AA
and V
CC
pins to ground. These capaci-
tors should be located as close to the power and ground pins
as possible, using short, wide traces.
Digital Ground Plane
All GND pins on the HMP8116 should be connected to the
digital ground plane of the board.
Analog Ground Plane
A separate analog ground plane for the HMP8116 is recom-
mended. All AGND pins on the HMP8116 should be con-
nected to the analog ground plane. This analog ground
plane should be connected to the board’s digital ground
plane at a single point.
Analog Power Plane
The HMP8116 should have its own V
AA
power plane that is
isolated from the common power plane of the board, with a
gap between the two power planes of at least 1/8 inch. All
V
AA
pins on the HMP8116 must be connected to this analog
21
22
23
24
252627282930313233343536
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
AGND
VAA
AGND
NC
CVBS1
YIN
CVBS3(Y)
CVBS2
AGND
VAA
NC
AGND
AGND
AGND
AGND
VAA
AGND
AGND
YOUT
AGND
G
V
N
R
C
N
V
G
G
R
N
G
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
P13
VCC
P12
P11
P10
P9
P8
GND
VCC
P7
P6
P5
P4
P3
GND
P2
INTREQ
P1
P0
SCL
64
63
62
61
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
G
V
R
N
L
V
N
G
H
V
G
V
D
A/D_TEST
NC
C
NC
P15
P14
GND
VBIVALID
37383940
V
C
G
S
80
N
F
B
HMP8116
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參數(shù)描述
HMP8116CN 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Decoder
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