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TCA6408 Datasheet(PDF) 1 Page - Texas Instruments

Part No. TCA6408
Description  LOW-VOLTAGE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TCA6408 Datasheet(HTML) 1 Page - Texas Instruments

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FEATURES
ZXY PACKAGE
(TOP VIEW)
1
2
3
4
5
A
B
C
D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PW PACKAGE
(TOP VIEW)
V
CCI
ADDR
RESET
P0
P1
P2
P3
GND
V
CCP
SDA
SCL
INT
P7
P6
P5
P4
RGT PACKAGE
(TOP VIEW)
12
11
10
9
1
2
3
4
5
6
7
8
16 15 14 13
RESET
P0
P1
P2
SCL
INT
P7
P6
DESCRIPTION/ORDERING INFORMATION
TCA6408
LOW-VOLTAGE 8-BIT I2C AND SMBus I/O EXPANDER
WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
SCPS151C – FEBRUARY 2007 – REVISED JUNE 2007
• Operating Power-Supply Voltage Range of
• 5-V Tolerant I/O Ports
1.65 V to 5.5 V
• Active-Low Reset Input (RESET)
• Allows Bidirectional Voltage-Level Translation
• Open-Drain Active-Low Interrupt Output (INT)
and GPIO Expansion Between
• 400-kHz Fast I2C Bus
1.8-V SCL/SDA and 1.8-V, 2.5-V,
• Input/Output Configuration Register
3.3-V, or 5-V P Port
• Polarity Inversion Register
2.5-V SCL/SDA and 1.8-V, 2.5-V,
• Internal Power-On Reset
3.3-V, or 5-V P Port
• Power-Up With All Channels Configured as
3.3-V SCL/SDA and 1.8-V, 2.5-V,
Inputs
3.3-V, or 5-V P Port
• No Glitch On Power-Up
5-V SCL/SDA and 1.8-V, 2.5-V,
• Noise Filter on SCL/SDA Inputs
3.3-V, or 5-V P Port
• Latched Outputs With High-Current Drive
• I2C to Parallel Port Expander
Maximum Capability for Directly Driving LEDs
• Low Standby Current Consumption of 1 µA
• Latch-Up Performance Exceeds 100 mA Per
• Schmitt-Trigger Action Allows Slow Input
JESD 78, Class II
Transition and Better Switching Noise
• ESD Protection Exceeds JESD 22
Immunity at the SCL and SDA Inputs
2000-V Human-Body Model (A114-A)
V
hys = 0.18 V Typ at 1.8 V
200-V Machine Model (A115-A)
V
hys = 0.25 V Typ at 2.5 V
1000-V Charged-Device Model (C101)
V
hys = 0.33 V Typ at 3.3 V
V
hys = 0.5 V Typ at 5 V
This 8-bit I/O expander for the two-line bidirectional bus (I2C) is designed to provide general-purpose remote I/O
expansion for most microcontroller families via the I2C interface [serial clock (SCL) and serial data (SDA)].
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright © 2007, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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