CAT9534WI-GT2 CATALYST SEMICONDUCTOR, CAT9534WI-GT2 Datasheet

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CAT9534WI-GT2

Manufacturer Part Number
CAT9534WI-GT2
Description
IC, I/O EXPANDER, 8BIT, 400KHZ, SOIC-16
Manufacturer
CATALYST SEMICONDUCTOR
Datasheet

Specifications of CAT9534WI-GT2

Chip Configuration
8 Bit
Bus Frequency
400kHz
Ic Interface Type
I2C, SMBus
No. Of I/o's
8
Supply Voltage Range
2.3V To 5.5V
Digital Ic Case Style
SOIC
No. Of Pins
16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
8-bit I²C and SMBus I/O Port with Interrupt
FEATURES
 400kHz I²C bus compatible
 2.3V to 5.5V operation
 Low stand-by current
 5V tolerant I/Os
 8 I/O pins that default to inputs at power-up
 High drive capability
 Individual I/O configuration
 Polarity inversion register
 Active low interrupt output
 Internal power-on reset
 No glitch on power-up
 Noise filter on SDA/SCL inputs
 Cascadable up to 8 devices
 Industrial temperature range
 RoHS-compliant 16-lead SOIC and TSSOP, and
APPLICATIONS
 White goods (dishwashers, washing machines)
 Handheld devices (cell phones, PDAs, digital
 Data Communications (routers, hubs and
BLOCK DIAGRAM
Notes:
(1) All I/Os are set to inputs at RESET.
© 2010 SCILLC. All rights reserved
Characteristics subject to change without notice
16-pad TQFN (4 x 4mm) packages
cameras)
servers)
SDA
V
SCL
V
A0
A1
A2
CC
SS
(1)
FILTER
INPUT
POWER-ON
RESET
I
2
CONTROL
C/SMBUS
1
WRITE pulse
READ pulse
DESCRIPTION
The CAT9534 is an 8-bit parallel input/output port
expander for I²C and SMBus compatible applications.
These I/O expanders provide a simple solution in
applications where additional I/Os are needed: sensors,
power switches, LEDs, pushbuttons, and fans.
The CAT9534 consists of an input port register, an
output port register, a configuration register, a polarity
inversion register and an I²C/SMBus-compatible serial
interface.
Any of the eight I/Os can be configured as an input or
output by writing to the configuration register. The
system master can invert the CAT9534 input data by
writing to the active-high polarity inversion register.
The CAT9534 features an active low interrupt output
which indicates to the system master that an input
state has changed.
The device’s extended addressing capability allows up
to 8 devices to share the same bus.
CAT9534 is offered in 16 pin SOIC, TSSOP and
TQFN packages and operates over the full -40ºC to
+85ºC industrial temperature range.
8-BIT
For Ordering Information details, see page 15.
OUTPUT
PORTS
INPUT/
LP FILTER
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
0
1
2
3
4
5
6
7
V
CC
CAT9534
Doc. No. MD-9004 Rev. D
INT

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CAT9534WI-GT2 Summary of contents

Page 1

I²C and SMBus I/O Port with Interrupt FEATURES  400kHz I²C bus compatible  2.3V to 5.5V operation  Low stand-by current  5V tolerant I/Os  8 I/O pins that default to inputs at power-up  High drive ...

Page 2

CAT9534 PIN CONFIGURATION SOIC (W), TSSOP ( PIN DESCRIPTION SOIC / TSSOP TQFN ...

Page 3

D.C. OPERATING CHARACTERISTICS V = 2.3 to 5.5V -40°C to +85°C, unless otherwise specified Symbol Parameter Supplies V Supply voltage CC I Supply current CC I Standby current stbl I Standby current stbh V Power-on reset ...

Page 4

CAT9534 A.C. CHARACTERISTICS V = 2.3 to 5.5V -40°C to +85°C, unless otherwise specified Symbol Parameter F Clock Frequency SCL t START Condition Hold Time HD:STA t Low Period of SCL Clock LOW t High Period ...

Page 5

A.C. TEST CONDITIONS Input Rise and Fall time CMOS Input Voltages CMOS Input Reference Voltages TTL Input Voltages TTL Input Reference Voltages Output Reference Voltages ¯¯¯ Output Load: SDA, INT Output Load: I/ SCL t SU:STA SDA IN ...

Page 6

CAT9534 PIN DESCRIPTION SCL: Serial Clock The serial clock input clocks all data transferred into or out of the device. The SCL line requires a pull-up resistor driven by an open drain output. SDA: Serial Data/Address The ...

Page 7

Interrupt Output INT The open-drain interrupt output is activated when one of the port pins configured as an input changes state (differs from the corresponding input port register bit state). The interrupt is deactivated when the input Data ...

Page 8

CAT9534 FUNCTIONAL DESCRIPTION CAT9534’s general purpose input/ output (GPIO) peripherals provide up to eight I/O ports, controlled through an I²C compatible serial interface The CAT9534 supports the I²C Bus data transmission protocol. This I²C Bus protocol defines any device that ...

Page 9

ACKNOWLEDGE After a successful data transfer, each receiving device is required to generate an acknowledge. The acknowledging device pulls down the SDA line during the ninth clock cycle, signaling that it received the 8 bits of data. The SDA line ...

Page 10

CAT9534 The output port register sets the outgoing logic levels of the I/O ports, defined as outputs by the configuration register. Bit values in this register have no effect on I/O pins defined as inputs. Reads from the output port ...

Page 11

INTERRUPT OUTPUT CAT9534’s interrupt otuput is an active LOW open- drain output that is activated when any port pin configured as an input changes state. The interrupt output is reset when the input returns to its previous state or the ...

Page 12

CAT9534 PACKAGE OUTLINE DRAWINGS (1) (2) SOIC 16-Lead 150mils (W) PIN#1 IDENTIFICATION TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC standard MS-012 Doc. No. MD-9004 Rev. ...

Page 13

TSSOP 16-Lead 4.4mm ( PIN#1 IDENTIFICATION TOP VIEW D SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC standard MO-153. © 2010 SCILLC. All rights reserved Characteristics subject to ...

Page 14

CAT9534 (1) (2) TQFN 16-Pad 4 x 4mm (HV4) D PIN#1 INDEX AREA TOP VIEW SYMBOL MIN NOM A 0.70 0.75 A1 0.00 0.02 A3 0.20 REF b 0.25 0.30 D 3.90 4.00 D2 2.00 – E 3.90 4.00 E2 ...

Page 15

... All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is NiPdAu. (3) The device used in the above example is a CAT9534WI-GT2 (SOIC, Industrial Temperature, NiPdAu, Tape & Reel, 2,000/Reel). (4) For additional package and temperature options, please contact your nearest ON Semiconductor Sales office. © 2010 SCILLC. All rights reserved ...

Page 16

CAT9534 REVISION HISTORY Date Revisio Description 23-May-08 A Initial Issue Update A.C. Characteristics table to include Standard I 03-Dec-08 B Change logo and fine print to ON Semiconductor 06-May-09 C Update D.C. Operating Characteristics table (Supplies) 14-June-10 D Update Order ...

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