ST70137TQFP STMICROELECTRONICS [STMicroelectronics], ST70137TQFP Datasheet - Page 19

• Manufacturer Part Number: ST70137TQFP
• Description: UNICORNTM PCI & USB CONTROLLERLESS ADSL DMT TRANSCEIVER
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST70137
USB Interface AC Specifications (1.1 version)
AC Characteristics (D+, D-)
USB Test Scheme
19/22
Symbol
V
t
CRS
DR
t
t
R
F
Average bit rate (12 M/s
Rise Time between 10% and 90% (see
Figure Rise and Fall Time Measures)
Fall Time 10% and 90% (see Figure Rise
and Fall Time Measures)
Output Signal Crossover Voltage
CLK
Input
Output
Tri-state Output
Parameter
0.05%)
2
1
50pF
Ton
Tsu
Test
Test Conditio n
Tval
Th
50pF
Toff
Test
Minimum
11.97
1.3
4
4
Typical
Maximum
12.03
20
20
2
Units
Mbps
ns
ns
V