User Manual

FN-LINK TECHNOLOGY LIMITED
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3. Electrical Characteristics
3.1 Power Supply DC Characteristics
Symbol Parameter Minimum Typical Maximum Unit
VIN33
3.3V Supply Voltage 3.0 3.3 3.6 V
VDDIO
DC supply for digital I/O 1.62 1.8-3.3 3.6 V
3.2 Digital I/O Pin 1.8V DC Characteristics
S
ymbol
P
arameter
M
inimum
T
ypical
M
aximum
U
nit
VIH
Input high voltage 1.7 1.8 2.0 V
VIL
Input low voltage - 0 0.8 V
VOH
Output high voltage 1.62 - 1.8 V
VOL
Output low voltage 0 - 0.18 V
3
.3 Digital I/O Pin 3.3V DC Characteristics
Symbol Parameter Minimum Typical Maximum Unit
VIH
Input high voltage 2.0 3.3 3.6 V
VIL
Input low voltage - 0 0.9 V
VOH
Output high voltage 2.97 - 3.3 V
VOL
Output low voltage 0 - 0.33 V
3.4 SDIO/GSPI Interface AC Characteristics
Figure 2. SDIO Interface Timing
SDIO Interface Timing Parameters
NO Parameter Mode MIN MAX Unit
fPP
Clock Frequency
Default 0 25 MHz
HS 0 50 MHz
TWL
Clock Low Time
DEF 10 - ns
HS 7 - ns
TWH
Clock High Time
DEF 10 - ns
HS 7 - ns
TISU
Input Setup Time
DEF 5 - ns
HS 6 - ns
TIH
Input Hold Time
DEF 5 - ns
HS 2 - ns
TODLY
Output Delay Time
DEF - 14 ns
HS - 14 ns