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XR20M1280L32-0B Datasheet(PDF) 6 Page - Exar Corporation

Part # XR20M1280L32-0B
Description  I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XR20M1280L32-0B Datasheet(HTML) 6 Page - Exar Corporation

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XR20M1280
6
I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
REV. 1.0.0
Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
VCC_GPIO
-
16
20
Pwr
1.62V to 3.63V VCC for the GPIO signals.
This supply voltage pin will determine the I/O levels of the
GPIO[15:4] signals.
GND
9
12
13, 29
Pwr
Power supply common, ground.
GND
Center
Pad
Center
Pad
Center
Pad
Pwr
The center pad on the backside of the QFN package is metallic and
should be connected to GND on the PCB. The thermal pad size on
the PCB should be the approximate size of this center pad and
should be solder mask defined. The solder mask opening should be
at least 0.0025" inwards from the edge of the PCB thermal pad.
Pin Description
NAME
QFN-24
PIN#
QFN-32
PIN#
QFN-40
PIN#
TYPE
DESCRIPTION


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