XRA1405
2
16-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
REV. 1.0.0
FIGURE 1. XRA1405 BLOCK DIAGRAM
SPI Bu s
In te r fa c e
VC C
( 1.65 V – 3.6V )
GN D
IR Q #
SI
SO
CS #
SC L
GP IO
C ontr o l
R e gis ter s
P0
GP IO s
P1
P2
P3
P4
P5
P6
P7
P8
GP IO s
P9
P1 0
P1 1
P1 2
P1 3
P1 4
P1 5
Inte gr ated
Le vel
Sh ifte r s
( 1.65V – 3.6V )
VC C P
ORDERING INFORMATION
PART NUMBER
PACKAGE
NUMBER OF
GPIOS
OPERATING TEMPERATURE
RANGE
DEVICE STATUS
XRA1405IL24-F
QFN-24
16
-40°C to +85°C
Active
XRA1405IL24TR-F
QFN-24
16
-40°C to +85°C
Active
XRA1405IG24-F
TSSOP-24
16
-40°C to +85°C
Active
XRA1405IG24TR-F
TSSOP-24
16
-40°C to +85°C
Active
NOTE: TR = Tape and Reel, F = Green / RoHS
FIGURE 2. PIN OUT ASSIGNMENTS
P11
XRA1405
24-Pin
TSSOP
3
5
4
7
6
8
9
10
11
12
1
2
13
14
15
16
17
18
19
20
21
22
23
24
IRQ#
VCC
SI
P0
P1
P2
P3
P4
P5
P6
P7
GND
VCCP
SO
SCL
CS#
P15
P14
P13
P12
P11
P10
P9
P8
XRA1405
24-Pin QFN
78
9 10 11 12
GND
P8
P9
P1
0
P7
P6
17
18
13
16
14
15 P13
P14
P15
CS#
P12
24 23 22 21 20 19
2
1
6
3
5
4
P3
P2
P1
P0
P4
P5
IR
Q#
VCCP
SO
SCL
VCC
SI