XRA1405 Datasheet, PDF (2/16 Pages) Exar Corporation – 16-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS

XRA1405
16-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
FIGURE 1. XRA1405 BLOCK DIAGRAM
VCC
CS#
SCL
SI
SO
IR Q #
GND
(1 .6 5 V – 3 .6 V )
SPI Bus
Inte rfa ce
G P IO
C o n trol
R e g iste rs
(1 .6 5 V – 3 .6 V )
G P IO s
G P IO s
In teg ra te d
Level
S h ifte rs
REV. 1.0.0
VCCP
P0
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
ORDERING INFORMATION
PART NUMBER
XRA1405IL24-F
XRA1405IL24TR-F
XRA1405IG24-F
XRA1405IG24TR-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
XRA1405
24-Pin QFN
16 P14
15 P13
P4 5
14 P12
P5 6
13 P11
7 8 9 10 11 12
IRQ# 1
VCC 2
SI 3
P0 4
P1 5
P2 6
P3 7
P4 8
P5 9
P6 10
P7 11
GND 12
XRA1405
24-Pin
TSSOP
24 VCCP
23 SO
22 SCL
21 CS#
20 P15
19 P14
18 P13
17 P12
16 P11
15 P10
14 P9
13 P8
2