PQI Intellient Stick Pro 220 - Manual (Page 6)

Intelligent Stick™
Rev. A.1 3/5 Jan 2007
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