XRA1404 Datasheet, PDF (2/14 Pages) Exar Corporation – 8-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS

XRA1404
8-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
FIGURE 1. XRA1404 BLOCK DIAGRAM
VCC
CS#
SCL
SI
SO
(1.65V – 3.6V)
(1.65V – 3.6V)
SPI Bus
Interface
GPIO
Control
Registers
GPIOs
Integrated
Level
Shifters
IRQ#
GND
REV. 1.0.0
VCCP
P0
P1
P2
P3
P4
P5
P6
P7
ORDERING INFORMATION
PART NUMBER
XRA1404IL16-F
XRA1404IL16TR-F
XRA1404IG16-F
XRA1404IG16TR-F
PACKAGE
QFN-16
QFN-16
TSSOP-16
TSSOP-16
NUMBER OF
GPIOS
8
8
8
8
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
DEVICE STATUS
Active
Active
Active
Active
FIGURE 2. PIN OUT ASSIGNMENTS - XRA1404
16 15 14 13
SI 1
12 SCL
P0 2 XRA1404 ^{11 IRQ#}
P1 3 ^{16-Pin QFN 10 P7}
P2 4
9 P6
5678
VCC 1
CS# 2
SI 3
P0 4
P1 5
P2 6
P3 7
GND 8
XRA1404
16-Pin TSSOP
16 VCCP
15 SO
14 SCL
13 IRQ#
12 P7
11 P6
10 P5
9 P4
2