XR16M564 Datasheet, PDF (8/55 Pages) Exar Corporation – 1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO

XR16M564/564D
1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO
Pin Description
REV. 1.0.0
NAME
GND
48-QFN
PIN #
64-LQFP 68-PLCC 80-LQFP
PIN #
PIN #
PIN #
TYPE
DESCRIPTION
Center
N/A
N/A
N/A Pwr _{The center pad on the backside of the QFN package is}
Pad
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 sol-
der mask defined. The solder mask opening should be
at least 0.0025" inwards from the edge of the PCB
thermal pad.
N.C.
-
-
-
1, 10, 20,
No Connection. These pins are not used in either the
21, 30,
Intel or Motorola bus modes.
40, 41,
49, 52,
60, 61,
71, 80
Pin type: I=Input, O=Output, I/O= Input/Output, OD=Output Open Drain.
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