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| 型號： | MIC2551A |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | USB TRANSCEIVER |
| 中文描述： | USB收發(fā)器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 79K |
| 代理商： | MIC2551A |
May 2004
5
M9999-051004
MIC2551A
DC Electrical Characteristics (Transceiver)
(Note 7)
Micrel
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Leakage Current
I
LO
Hi-Z State Data Line Leakage
(Suspend Mode)
0V < V
IN
< 3.3V, SUS = 1
–10
10
μ
A
Input Levels
V
DI
V
CM
V
SE
Differential Input Sensitivity
|(D+)
–
(D
–
)|
0.2
V
Differential Common Mode Range
Includes V
DI
range
0.8
2.5
V
Single-Ended Receiver Threshold
0.8
2.0
V
Receiver Hysteresis
200
mV
Output Levels
V
OL
V
OH
Capacitance
Static Output Low
R
L
= 1.5k
to 3.6V
R
L
= 15k
to GND
0.3
V
Static Output High
2.8
3.6
V
C
IN
Z
DRV
AC Electrical Characteristics
(Notes 6, 7)
Transceiver Capacitance
Pin to GND
10
pF
Driver Output Resistance
Steady state drive
8
16
24
Driver Characteristics (Low Speed)
T
R
Transition Rise Time
C
L
= 50pF, Figure 2
C
L
= 600pF
C
L
= 50pF, Figure 2
C
L
= 600pF
(T
R
, T
F
)
75
ns
300
T
F
Transition Fall Time
75
ns
300
T
R
, T
F
V
CRS
Driver Characteristics (Full Speed)
Rise/Fall Time Matching
80
125
%
Output Signal Crossover Voltage
1.3
2.0
V
T
R
T
F
T
R
, T
F
V
CRS
Transceiver Timing
Transition Rise Time
C
L
= 50pF, Figure 2
C
L
= 50pF, Figure 2
(T
R
, T
F
)
4
20
ns
Transition Fall Time
4
20
ns
Rise/Fall Time Matching
90
111.11
%
Output Signal Crossover Voltage
1.3
2.0
V
t
PVZ
t
PZD
t
PDZ
t
PZV
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
OE# to RCVR Tri-State Delay
Figure 1
15
ns
Receiver Tri-State to Transmit Delay
Figure 1
15
ns
OE# to DRVR Tri-State Delay
Figure 1
15
ns
Driver Tri-State to Receive Delay
Figure 1
15
ns
VP, VM to D+, D
–
Propagation Delay
Figure 4
15
ns
D+, D
–
to RCV Propagation Delay
Figure 3
15
ns
D+, D
–
to V
P
, V
M
Propagation Delay
Figure 3
8
ns
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
Note 7.
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. Human body model, 1.5k in series with 100pF.
Specification applies to the following pins: SUS, SPD, RCV, CON, RCV, VP, VM, OE#.
Characterized specification(s), but not production tested.
All AC parameters guaranteed by design but not production tested.
Specification for packaged product only.
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