Data Sheet

© 2007 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSSD07 Rev. 1.0.2 11
FSSD07 — 1-Bit / 4-Bit SD/SDIO and MMC Dual-Host Multiplexer
Test Diagrams (Continued)
t
RISE
=2.5ns
GND
V
ddx
90% 90%
10%10%
t
FALL
=2.5ns
V
ddx
/2
V
ddx
/2
Input - V
CLKI
Output -V
OUT
50%
50%
V
OHC
V
OL
t
pLH
t
pHL
R
S
and R
T
are functions of the application
environment (see AC tables for specific values).
V
OUT
GND
GND
R
T
GND
GND
V
S
R
S
Network Analyzer
R
T
GND
V
S
GND
Off Isolation = 20 Log (V
OUT
/V
IN
)
V
IN
OUT
R
T
GND
R
T
GNDGNDGNDGND
R
S
/V
V
IN
Figure 11. CLK Propagation Delay Waveforms Figure 12. Channel Off Isolation
V
OUT
GND
GND
R
T
GND
GND
V
S
R
S
Network Analyzer
R
T
GND
R
S
and R
T
are functions of the application environment
(see AC tables for specific values).
V
S
GND
NC
Crosstalk = 20 Log (V
OUT
/V
IN
)
V
IN
Figure 13. Channel-to-Channel Crosstalk
V
S
= 0 or V
ddh
Capacitance
Meter
S
f=1MHz
nDAT[3:0], nCMD, nCLK
V
S
= 0 orV
ddh
Capacitance
Meter
S
f=1MHz
nDAT[3:0], nCMD, nCLK
nDAT[3:0], nCMD, nCLK
Figure 14. Channel On Capacitance Figure 15. Channel Off Capacitance