![](http://datasheet.mmic.net.cn/Micrel-Inc/MIC2551AYML25-TR_datasheet_98997/MIC2551AYML25-TR_5.png)
March 2010
5
M9999-030810
MIC2551A-2.5
Micrel, Inc.
DC Electrical Characteristics (Transceiver) (Note 6)
Leakage Current
ILO
Hi-Z State Data Line Leakage
(Suspend Mode)
0V < VIN < 3.3V, SUS = 1
-10
10
A
Input Levels
VDI
Differential Input Sensitivity
|(D+) - (D-)|
0.2
V
VCM
Differential Common Mode Range
Includes VDI range
0.8
2.5
V
VSE
Single-Ended Receiver Threshold
0.8
2.0
V
Receiver Hysteresis
200
mV
Output Levels
VOL
Static Output Low
RL = 1.5k to 3.6V
0.3
V
VOH
Static Output High
RL = 1.5k to GND
2.8
3.6
V
Capacitance
CIN
Transceiver Capacitance
Pin to GND
10
pF
ZRDV
Driver Output Resistance
Steady-state drive
8
16
24
AC Electrical Characteristics (Notes 5)
Driver Characteristics (Low Speed)
TR
Transition Rise Time
CL = 50pF, Figure 2
CL = 600pF
75
300
ns
TF
Transition Fall Time
CL = 50pF, Figure 2
CL = 600pF
75
300
ns
TR, TF
Rise/Fall Time Matching
(TR, TF)
80
125
%
VCRS
Output Signal Crossover Voltage
1.3
2.0
V
Driver Characteristics (Full Speed)
TR
Transition Rise Time
CL = 50pF, Figure 2
4
20
ns
TF
Transition Fall Time
CL = 50pF, Figure 2
4
20
ns
TR, TF
Rise/Fall Time Matching
(TR, TF)
90
111.11
%
VCRS
Output Signal Crossover Voltage
1.3
2.0
V
Transceiver Timing
tPVZ
OE# to RCVR Tri-State Delay
Figure 1
15
ns
tPZD
Receiver Tri-State to Transmit
Delay
Figure 1
15
ns
tPDZ
OE# to DRVR Tri-State Delay
Figure 1
15
ns
tPZV
Driver Tri-State to Receiver Delay
Figure 1
15
ns
tPLH
tPHL
VP, VM to D+, D- Propagation
Delay
Figure 4
15
ns
tPLH
tPHL
D+, D- to RCV Propagation Delay
Figure 3
15
ns
tPLH
tPHL
D+, D- to VP, VM Propagation
Delay
Figure 3
8
ns
Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Note 4. Specification applies to the following pins: SUS, SPD, CON, RCV, VP, VM, OE#.
Note 5. All AC parameters guaranteed by design but not production tested.
Note 6. Specification for packaged product only.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
ESD Protection
IEC-1000-4-2
(D+, D-, VBUS
only)
Air Discharge
10 pulses
±15
kV
Contact Discharge
10 pulses
±15
kV