USB Flash Drive
Rev. A.2
3/5 Sep 2006
6. DC Characteristics
Symbol
Parameter
Min.
Max.
Unit
Notes
V
IH_TTL
TTL Input High Voltage
2
Vcc3+0.3
V
V
IL_TTL
TTL Input Low Voltage
-0.3
0.8
V
V
OH_TTL
TTL Output High Voltage
0.9 X Vcc3
V
V
OL_TTL
TTL Output Low Voltage
0.45
V
I
OH_TTL
TTL Output High Current
-4
mA
I
OL_TTL
TTL Output Low Current
4
mA
V
IH_USB
USB Input High Voltage for
Low-/full-speed
2.0 V
V
IL_USB
USB Input Low Voltage for
Low-/full-speed
0.8 V
V
I_USB_DIFF
Differential Input Sensitivity for
Low-/full-speed
TBD V
V
I_USB_CM
Differential Common Mode Input
Range for Low-/full-speed
0.8 2.5 V
V
I_USB_HSSQ
USB High-speed squelch Input
detection threshold
0.10 0.15 V
V
I_USB_HSDSC
USB High-speed disconnect
Input detection threshold
0.525 0.625 V
V
I_USB_HSCM
USB High-speed Signaling
Common Mode Range
-0.05 0.5 V
V
OH_USB
USB Output High Voltage for
Low-/full-speed
2.8 3.6 V
V
OL_USB
USB Output Low Voltage for
Low-/full-speed
0 0.3 V
V
OH_USB_HS
USB Output High Voltage for
High-speed
0.36 0.44 V
V
OL_USB_HS
USB Output Low Voltage for
High-speed
-0.01 0.01 V
I
OH_USB
USB Output High Current for
Low-/full-speed
-10 mA
I
OL_USB
USB Output Low Current for
Low-/full-speed
10
mA
I
OH_USB_HS
USB Output High Current for
High-speed
-40 mA
I
OL_USB_HS
USB Output Low Current for
High-speed
40
mA
