Datasheet

© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSHDMI08 Rev. 1.0.4 3
FSHMDI08 — Low-Voltage, Wide-Bandwidth, HDMI Switch with DDC and CEC Multiplexer
Pin Assignments
V
CC3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1D2+
1D0+
1D2-
CEC1
SDA1
HPD1
SCL1
1D1+
1D1-
1D0-
1CLK+
1CLK-
GND
GND
2D2+
2D0+
2D2-
CEC2
SDA2
HPD2
SCL2
2D1+
2D1-
2D0-
2CLK+
2CLK-
GND
CEC
SDA
HPD
SCL
GND
D2+
D2-
GND
D1+
D1-
D0+
D0-
GND
CLK+
CLK-
V
CC3
V
CC3
GND
/OE
TMDS
S
TMDS
DGND
V
DDC
GND
V
CC3
V
CC3
/OE
DDC
S
DDC
DGND
Figure 3. Pin Assignments
Truth Table
S
TMDS,
S
DDC
/OE
TMDS,
/OE
DDC
Function
Don’t’ Care Logic Level HIGH All Ports Disconnected (Hi-Z)
Logic Level LOW Logic Level LOW
1Dn+/1Dn-=Dn+/Dn-; 1CLK+/ 1CLK-=CLK+/CLK-; HPD1=HPD; SCL1=SCL;
SDA1=SDA; CEC1=CEC
Logic Level HIGH
Logic Level LOW
2Dn+/2Dn-=Dn+/Dn-; 2CLK+/ 2CLK-=CLK+/CLK-; HPD2=HPD; SCL2=SCL;
SDA2=SDA; CEC2=CEC