MIC2551A MICREL [Micrel Semiconductor], MIC2551A Datasheet - Page 6

• Manufacturer Part Number: MIC2551A
• Description: USB TRANSCEIVER
• Manufacturer: MICREL [Micrel Semiconductor]

MIC2551A
Timing Diagrams
Test Circuits
M9999-051004
D+/D–
Differential
Data Lines
V
OE#
V
V
P
V
V
V
D+
D–
D+
D–
/V
OH
OH
OL
SS
OL
M
D.U.T.
t
Figure 3. Receiver Propagation Delay
PVZ
Figure 1. Enable and Disable Times
Figure 4. Driver Propagation Delay
t
t
PZD
10%
PLH
TRANSMIT
Rise Time
Figure 5. Load for V
Figure 2. Rise and Fall Times
Figure 6. Load for D+, D–
t
t
PLH
R
V
V
20
CRS
CRS
90%
D.U.T.
15k
Differential
Data Lines
Differential
Data Lines
6
P
25pF
, V
C
L
t
PDZ
M
, RCV
VTRM
t
90%
PHL
RECEIVE
1.5k
Fall Time
t
t
V
PHL
V
F
CRS
CRS
t
10%
PZV
May 2004
Micrel