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USB1T11A Datasheet, PDF (6/11 Pages) Fairchild Semiconductor – Universal Serial Bus Transceiver
AC Electrical Characteristics (D/D Pins, Low Speed)
Over recommended range of supply voltage and operating free air temperature (unless otherwise noted). VCC 3.0V to 3.6V
CL 200 pF to 600 pF; RL 1.5k: on D to VCC
Limits
Symbol
Parameter
Test Conditions
Tamb 40qC to 85qC
Unit
Min
Typ
Max
DRIVER CHARACTERISTICS:
10% and 90%
tLR
tLF
tRFM
VCRS
Rise Time
Fall Time
Rise/Fall Time Matching
Output Signal Crossover Voltage
DRIVER TIMINGS:
Figure 1
Figure 1
(tr/tf)
75
300
ns
75
300
80
120
%
1.3
2.0
V
tPLH
Driver Propagation Delay
tPHL
(VPO, VMO/FSEO to D/D)
tPHZ
Driver Disable Delay
Figure 2
Figure 2
Figure 4
300
ns
300
ns
13
ns
tPLZ
(OE to D/D)
tPZH
Driver Enable Delay
Figure 4
Figure 4
13
ns
205
ns
tPZL
(OE to D/D)
RECEIVER TIMINGS:
Figure 4
205
ns
tPLH
Receiver Propagation Delay
tPHL
(D, D to RCV)
tPLH
Single-ended Receiver Delay
tPHL
(D, D to VP, VM)
Figure 3
Figure 3
Figure 3
Figure 3
18
ns
18
ns
28
ns
28
ns
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