XR20M1172_09 Datasheet, PDF (54/58 Pages) Exar Corporation – TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO

XR20M1172
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
PACKAGE DIMENSIONS (28 PIN TSSOP - 4.4 mm)
D
28
15
E_{1 E}
Seating
Plane
1
e
14
C
A₂
B
A₁
Note: The control dimension is in millimeter.
INCHES
MILLIMETERS
SYMBOL MIN
MAX
MIN
MAX
A
0.033
0.047
0.85
1.20
A1
0.002
0.006
0.05
0.15
A2
0.031
0.041
0.80
1.05
b
0.007
0.012
0.19
0.30
C
0.004
0.008
0.09
0.2
D
0.378
0.386
9.60
9.80
E
0.248
0.260
6.30
6.60
E1
0.169
0.177
4.30
4.50
e
0.0256 BSC
0.65 BSC
L
0.018
0.030
0.45
0.75
α
0°
8°
0°
8°
REV. 1.0.1
A
α
L
54