Datasheet

© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSHDMI08 Rev. 1.0.4 7
FSHMDI08 — Low-Voltage, Wide-Bandwidth, HDMI Switch with DDC and CEC Multiplexer
Test Diagrams
nD
m
,nCLK
m
,
CECn,HPDn
SCLn, SDAn
Select
V
CNTRLT
=0orVcc3
V
CNTRLD
=0orV
DDC
I
ON
V
ON
R
ON
= V
ON
/I
ON
GND
V
SW
GND
D
m
,CLK
m
,
CEC,HPD,
SCL,SDA
,
Each switch port is tested separately.
Select
NC
A
I
OZ
V
SW
GND
D
m
,CLK
m
,
CEC,HPD,
SCL, SDA
V
CNTRLT
= 0 or Vcc3
V
CNTRLD
=0orV
DDC
GND
Figure 4. On Resistance Figure 5. Off Leakage
R
PU
and C
L
are functions of the application environment
(see AC/DC tables for values of C
L
and R
PU
).
C
L
includes test fixture and stray capacitance.
R
PU
C
L
GND
GND
V
CNTRLT
V
SWTMDS
V
OUT
Generator
10mA
V
cc3
Figure 6. TMDS Test Circuit Load
R
PU
and C
L
are functions of the application environment
(see AC/DC tables for values of C
L
and R
DDC
).
C
L
includes test fixture and stray capacitance.
R
DDC
C
L
GND
GND
V
CNTRLD
V
SWDDC
V
OUT
V
DDC
nD
m
,nCLK
m
,
CECn,HPDn,
SCLn,SDAn
Figure 7. DDC Test Circuit Load