UPSD3234AV-24U1T STMicroelectronics, UPSD3234AV-24U1T Datasheet - Page 90
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UPSD3234AV-24U1T
Manufacturer Part Number
UPSD3234AV-24U1T
Description
Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
Manufacturer
STMicroelectronics
Datasheet
1.UPSD3234AV-24U1T.pdf
(170 pages)
- Current page: 90 of 170
- Download datasheet (3Mb)
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uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
Receiver Characteristics
The uPSD323X Devices has a differential input re-
ceiver which is able to accept the USB data signal.
The receiver features an input sensitivity of at least
200mV when both differential data inputs are in
the range of at least 0.8V to 2.5V with respect to
its local ground reference. This is the common
mode range, as shown in
Figure 45. Differential Input Sensitivity Over Entire Common Mode Range
90/170
1.0
0.8
0.6
0.4
0.2
0.0
0.0
0.2
0.4
Figure 45.
0.6
0.8
The receiver
1.0
Common Mode Input Voltage (volts)
1.2
1.4
1.6
tolerates static input voltages between -0.5V to
3.8V with respect to its local ground reference
without damage. In addition to the differential re-
ceiver, there is a single-ended receiver for each of
the two data lines. The single-ended receivers
have a switching threshold between 0.8V and 2.0V
(TTL inputs).
1.8
2.0
2.2
2.4
2.6
2.8 3.0
3.2
AI06630
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