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XR20M1280L32-0B Datasheet(PDF) 6 Page - Exar Corporation |
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XR20M1280L32-0B Datasheet(HTML) 6 Page - Exar Corporation |
6 / 63 page 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 |
Similar Part No. - XR20M1280L32-0B |
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Similar Description - XR20M1280L32-0B |
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