XRA1403 Datasheet, PDF (2/16 Pages) Exar Corporation – 16-BIT SPI GPIO EXPANDER WITH RESET INPUT

XRA1403
16-BIT SPI GPIO EXPANDER WITH RESET INPUT
FIGURE 1. XRA1403 BLOCK DIAGRAM
VCC
(1.65V – 3.6V )
CS#
SCL
SI
SO
RESET#
IR Q #
SPI Bus
In te rfa c e
G P IO
C ontrol
R egisters
GND
REV. 1.0.0
G P IO s
G P IO s
P0
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
ORDERING INFORMATION
PART NUMBER
XRA1403IL24-F
XRA1403IL24TR-F
XRA1403IG24-F
XRA1403IG24TR-F
PACKAGE
QFN-24
QFN-24
TSSOP-24
TSSOP-24
NUMBER OF
GPIOS
16
16
16
16
NOTE: TR = Tape and Reel, F = Green / RoHS
OPERATING TEMPERATURE
RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
FIGURE 2. PIN OUT ASSIGNMENTS
DEVICE STATUS
Active
Active
Active
Active
24 23 22 21 20 19
P0 1
18 CS#
P1 2
17 P15
P2 3
P3 4
XRA1403
24-Pin QFN
16 P14
15 P13
P4 5
14 P12
P5 6
13 P11
7 8 9 10 11 12
IRQ# 1
SI 2
RESET# 3
P0 4
P1 5
P2 6
P3 7
P4 8
P5 9
P6 10
P7 11
GND 12
XRA1403
24-Pin
TSSOP
24 VCC
23 ^SO
22 ^SCL
21 CS#
20 P15
19 P14
18 ^P13
17 P12
16 P11
15 P10
14 P9
13 P8
2