MIC2550 Datasheet, PDF (4/8 Pages) Micrel Semiconductor – Universal Serial Bus Transceiver Advance Information

MIC2550
Symbol
Parameter
Condition
Min
Transceiver DC Characteristics
I_LO
Hi-Z State Data Line Leakage
0V < V_BUS < 3.3V, D+, D–, OE# = 1 pins only –10
V_DI
Differential Input Sensitivity
Ω(D+) – (D–)Ω, V_IN = 0.8V – 2.5V
0.2
V_CM
Differential Common-Mode Range includes V_DI range
0.8
V_SE
Single-Ended Receiver Threshold
0.8
Receiver Hysteresis, Note 6
V_OL
Static Output Low, Note 5
OE# = 0, R_L = 1.5kΩ to 3.6V
V_OH
Static Output High, Note 5
OE# = 0, R_L = 15kΩ to GND
2.8
V_CRS
Output Signal Crossover Voltage
1.3
Note 6
C_IN
Transceiver Capacitance, Note 6 pin to GND
Z_DRV
Driver Output Resistance
steady state drive, Note 6
6
Low-Speed Driver Characteristics
t_R
Transition Rise Time
C_L = 50pF
75
C_L = 600pF
t_F
Transition Fall Time
C_L = 50pF
75
C_L = 600pF
t_R/t_F
Rise and Fall Time Matching
T_R ÷ T_F
80
V_CRS
Output Signal Crossover Voltage
1.3
Full-Speed Driver Characteristics
t_R
Transition Rise Time
C_L = 50pF
4
t_F
Transition Fall Time
C_L = 50pF
4
t_R/t_F
Rise and Fall Time Matching
T_R ÷ T_F
90
V_CRS
Output Signal Crossover Voltage
1.3
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended.
Applies to the VP, VM, RCV, OE#, SPD, and SUS pins.
Applies to D+, D–
Not production tested. Guaranteed by design.
Micrel
Typ Max Units
+10
µA
V
2.5
V
2.0
V
200
mV
0.3
V
3.6
V
2.0
V
20
pF
18
Ω
ns
300
ns
ns
300
ns
125
%
2.0
V
20
ns
20
ns
111.11 %
2.0
V
MIC2550
4
October 4, 1999