LMH0031 Datasheet, PDF (10/39 Pages) National Semiconductor (TI) – SMPTE 292M/259M Digital Video Deserializer Descrambler with Video and Ancillary Data FIFOs

LMH0031
SNLS218A – JANUARY 2006 – REVISED APRIL 2013
Test Circuit
SDI
1.0 PF
82.5:
1 nF
825:
SDI
1.0 PF
82.5:
8.66k
825:
4.75k
27 MHz
CLK. I/P
Multi-
function
I/O Bus
Ancilliary/
Control Bus
0 Vdc
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(x4)
0.1
PF
4.7 PF
(x4) 16V
12, 33,
62
51
+2.5 Vdc
(x2)
0.1 PF
4.7 PF
(x2)
16V
+3.3 Vdc
58 26, 48
57
SDI
56
SDI
54
R_BB
53
R_REF
61
XTALo
2.5V
Supply
3.3V
Supply
50
VCLK
44
DV0
43
DV1
42
DV2
41
DV3
60
XTALi/EXT CLK
46
IO0
HD Chroma,
SD Luma &
Chroma
40
DV4
38
DV5
45
IO1
37
DV6
19
IO2
36
DV7
18
IO3
35
DV8
17
IO4
34
DV9
16
IO5
LMH0031
31
DV10
15
IO6
30
DV11
14
IO7
29
DV12
13
ACLK
28
DV13
11
AD0
10
AD1
HD Luma
27
DV14
25
DV15
9
AD2
24
DV16
8
AD3
23
DV17
7
AD4
22
DV18
5
AD5
21
DV19
4
AD6
63
ANC / CTRL
3
AD7
64
RD / WR
2
AD8
1
AD9
2.5V
Supply
49
3.3V RESET
Supply
6, 32,
52
39
55 20, 47,
59
Output loads
omitted for clarity.
10
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