MIC2550 Micrel Semiconductor, MIC2550 Datasheet - Page 5

• Manufacturer Part Number: MIC2550
• Description: Universal Serial Bus Transceiver Advance Information
• Manufacturer: Micrel Semiconductor

Symbol
Transceiver Timing
t
t
t
t
t
t
t
t
t
t
October 4, 1999
MIC2550
PVZ
PZD
PDZ
PZV
PLH
PHL
PLH
PHL
PLH
PHL
Parameter
OE# to RCVR Tristate Delay
Receiver Tristate to Transmit Delay
OE# to DRVR Tristate Delay
Driver Tri-state to Receiver Delay
V+/V– to D+/D– Propagation Delay
V+/V– to D+/D– Propagation Delay
D+/D– to RCV Propagation Delay
D+/D– to RCV Propagation Delay
D+/D– to V+/D– Propagation Delay
D+/D– to V+/D– Propagation Delay
Differential
Differential
Differential
Figure 3. Receiver Propagaion Delay D+/D– to RCV, V
V
Output
D+
Lines
Lines
Lines
V
Input
Data
Data
Data
Figure 4. Driver Propagation Delay V
V
P
/V
/V
OE#
D–
M
90%
10%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OH
D+
D–
D+
D–
D+
D–
OL
SS
OL
SS
D+
D–
OI
M
H
P
L
Figure 1. Enable and Disable Times
Figure 2. Rise and Fall Times
t
t
PLH
PLH
t
R
t
PVZ
Condition
Figure 1
Figure 1
Figure 1
Figure 1
Figure 4
Figure 4
Figure 3
Figure 3
Figure 3
Figure 3
t
PZD
5
t
F
t
t
P
V
PHL
PHL
CRS
and V
t
PZV
M
to D+/D–
P
, and V
Min
15
15
M
Typ
Max
15
15
15
15
15
15
8
8
MIC2550
Micrel
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns