USB1T20(2008) View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
USB1T20 Datasheet PDF : 9 Pages
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AC Electrical Characteristics D+/D- Pins, Full Speed
Over the recommended range of supply voltage and operating free air temperature unless otherwise noted.
VCC = 3.0V to 3.6V; CL = 50pF; RL = 1.5kΩ on D+ to VCC.
Symbol
Parameter
Driver Characteristics
tR, tF
tRFM
VCRS
Rise and Fall Time
Rise/Fall Time Matching
Output Signal Crossover Voltage
Driver Timings
tPLH
tPHZ, tPLZ
tPZH, tPZL
Driver Propagation Delay
(VPO,VMO/FSEO to D+D-)
Driver Disable Delay (/OE to D+/D-)
Driver Enable Delay (/OE to D+/D-)
Receiver Timings
Conditions
10 and 90%, Figure 3
tr / tf
Figure 4
Figure 6
Figure 6
TA=-40 to +85°C
Units
Min. Typ. Max.
4
20
ns
90
110
%
1.3
2.0
V
18
ns
13
ns
17
ns
tPLH
tPHL
tPLH, tPHL
Receiver Propagation Delay
D+/D- to RVC
Single-ended Receiver Delay
(D+,D- to VP, VM)
Figure 5
Figure 5
16
ns
19
ns
8
ns
AC Electrical Characteristics D+/D- Pins, Low Speed
Over the recommended range of supply voltage and operating free air temperature unless otherwise noted.
VCC = 3.0V to 3.6V; CL = 200pF to 600pF; RL = 1.5kΩ on D- to VCC.
Symbol
Parameter
Driver Characteristics
tLR, tLF Rise and Fall Time
tRFM
Rise/Fall Time Matching
VCRS
Output Signal Crossover Voltage
Driver Timings
tPLH, tPHL
tPHZ, tPLZ
tPZH, tPZL
Driver Propagation Delay
(VPO,VMO/FSEO to D+D-)
Driver Disable Delay (/OE to D+/D-)
Driver Enable Delay (/OE to D+/D-)
Receiver Timings
tPLH, tPHL
Receiver Propagation Delay
(D+/D- to RVC)
tPLH, tPHL
Single-ended Receiver Delay
(D+,D- to VP, VM)
Conditions
10 and 90%, Figure 3
tr / tf
Figure 4
Figure 6
Figure 6
Figure 5
Figure 5
TA=-40 to +85°C
Units
Min. Typ. Max.
75
300
ns
80
120
%
1.3
2.0
V
300
ns
13
ns
205
ns
18
ns
28
ns
© 2004 Fairchild Semiconductor Corporation
USB1T20 • Rev. 1.0.2
6
www.fairchildsemi.com
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