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USB1T20_08 Datasheet, PDF (5/9 Pages) Fairchild Semiconductor – Universal Serial Bus Transceiver
DC Electrical Characteristics Digital Pins
Over the recommended range of supply voltage and operating free air temperature unless otherwise noted. VCC =
3.0V to 3.6V.
Symbol
Parameter
Input Levels
VIL
Low-Level Input Voltage
VIH
High-Level Input Voltage
Output Levels
VOL
Low-Level Output Voltage
VOH
High-Level Output Voltage
Leakage Current
IIN
ICCFS
ICCLS
Input Leakage Current
Supply Current, Full Speed
Supply Current, Low Speed
ICCQ
Quiescent Supply Current
ICCS
Supply Current in Suspend
Conditions
IOL = 4mA
IOL = 20µA
IOH = 4mA
IOH = 20µA
VCC = 3.0 to 3.6V
VCC = 3.0 to 3.6V
VCC = 3.0 to 3.6V
VCC = 3.0 to 3.6V,
VIN = VCC or GND
VCC = 3.0 to 3.6V,
Mode = VCC
TA = -40 to +85°C
Units
Min. Typ. Max.
0.8
V
2
V
2.4
VCC-0.1
0.4
V
0.1
V
±5
µA
5
mA
5
mA
5
mA
10
µA
DC Electrical Characteristics D+/D- Pins
Over the recommended range of supply voltage and operating free air temperature unless otherwise noted. VCC =
3.0V to 3.6V.
Symbol
Parameter
Conditions
TA=-40 to +85°C
Units
Min. Typ. Max.
Input Levels
VDI
Differential Input Sensitivity
⎪(D+) – (D-)⎪
0.2
VCM
Differential Common-Mode Range
Includes VDI Range
0.8
VSE
Single-Ended Receiver Threshold
0.8
Output Levels
V
2.5
V
2.0
V
VOL
Static Output Low-Voltage
RL of 1.5kΩ to 3.6V
0.3
V
VOH
Static Output High-Voltage
VCR
Differential Crossover
Leakage Current
RL of 1.5kΩ to GND
2.8
1.3
3.6
V
2.0
V
IOZ
High Z-State Data Line Leakage
Current
0V<VIN<3.3V
±5
µA
Capacitance
Transceiver Capacitance(2)
CIN
Capacitance Match(2)
Pin to GND
10
pF
10
%
Output Resistance
ZDRV
Driver Output Resistance(3)
Resistance Match(3)
Steady-State Drive
4
20
Ω
10
%
Notes:
2. This specification is guaranteed by design and statistical process distribution.
3. Excludes external resistor. To comply with USB specification 1.1, external series resistors of 24Ω ±1% each on
D+ and D- are recommended.
© 2004 Fairchild Semiconductor Corporation
USB1T20 • Rev. 1.0.2
5
www.fairchildsemi.com