
XR16L2450
REV. 1.1.0
xr
2.25V TO 5.5V DUART
II
DC E
LECTRICAL
C
HARACTERISTICS
..............................................................................................................21
AC E
LECTRICAL
C
HARACTERISTICS
..............................................................................................................22
Unless otherwise noted: TA=-40o to +85oC, Vcc is 2.25V to 5.5V, ..........................................................................22
70
P
F
LOAD
WHERE
APPLICABLE
...................................................................................................................22
F
IGURE
8. C
LOCK
T
IMING
............................................................................................................................................................... 23
F
IGURE
9. M
ODEM
I
NPUT
/O
UTPUT
T
IMING
F
OR
C
HANNELS
A & B ................................................................................................... 23
F
IGURE
11. D
ATA
B
US
W
RITE
T
IMING
............................................................................................................................................. 24
F
IGURE
10. D
ATA
B
US
R
EAD
T
IMING
.............................................................................................................................................. 24
F
IGURE
12. I
NTERRUPT
T
IMING
FOR
C
HANNELS
A & B.................................................................................................................... 25
F
IGURE
13. I
NTERRUPT
T
IMING
FOR
C
HANNELS
A & B.................................................................................................................... 25
PACKAGE DIMENSIONS (48 PIN TQFP - 7 X 7 X 1 MM)...............................................26
PACKAGE DIMENSIONS (44 PIN PLCC) .......................................................................27
R
EVISION
H
ISTORY
.......................................................................................................................................28
T
ABLE
OF
C
ONTENTS
............................................................................................................
I