xr20m1172 Exar Corporation, xr20m1172 Datasheet - Page 52

• Manufacturer Part Number: xr20m1172
• Description: Two Channel I2c/spi Uart With 64-byte Fifo
• Manufacturer: Exar Corporation

PACKAGE DIMENSIONS (32 PIN QFN - 5 X 5 X 0.9
XR20M1172
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
Note: The control dimension is in millimeter.
SYMBOL
D2
A1
A3
D
A
b
e
L
k
0.031
0.000
0.006
0.193
0.138
0.007
0.012
0.008
MIN
0.0197 BSC
INCHES
0.039
0.002
0.010
0.201
0.150
0.012
0.020
MAX
52
-
mm
0.80
0.00
0.15
4.90
3.50
0.18
0.35
0.20
MIN
MILLIMETERS
)
0.50 BSC
MAX
1.00
0.05
0.25
5.10
3.80
0.30
0.45
Note: the actual center pad
is metallic and the size (D2)
is device-dependent with a
typical tolerance of 0.3mm
-
REV. 1.0.0