xr20v2172 Exar Corporation, xr20v2172 Datasheet - Page 50

• Manufacturer Part Number: xr20v2172
• Description: Two Channel I2c/spi Uart With 64-byte Fifo And Rs232 Transceiver
• Manufacturer: Exar Corporation

PACKAGE DIMENSIONS (64 PIN QFN - 9 X 9 X 0.9
XR20V2172
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
Note: The control dimension is in millimeter.
SYMBOL
D2
A1
A3
D
A
b
e
L
k
0.031
0.000
0.006
0.350
0.295
0.007
0.012
0.008
MIN
0.0197 BSC
INCHES
0.039
0.002
0.010
0.358
0.307
0.012
0.020
MAX
50
-
mm
0.80
0.00
0.15
8.90
7.50
0.18
0.30
0.20
MIN
MILLIMETERS
)
0.50 BSC
Note: the actual center pad is
metallic and the size (D2) is
device-dependent with a
typical tolerance of 0.3mm
MAX
1.00
0.05
0.25
9.10
7.80
0.30
0.50
-
REV. 1.0.0