UPSD3233 datasheet(90/170 Pages) STMICROELECTRONICS

Part #	UPSD3233

Description	Flash Programmable System Devices with 8032 Microcontroller Core

PDF	170 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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90 / 170 page

uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV

90/170

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. The receiver

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).

Figure 45. Differential Input Sensitivity Over Entire Common Mode Range

AI06630

0.0

0.2

0.4

0.6

1.0

0.8

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

3.2

Common Mode Input Voltage (volts)

UPSD3233 Datasheet(PDF) 90 Page - STMicroelectronics

UPSD3233 Datasheet(HTML) 90 Page - STMicroelectronics

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