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TCA9534PWR
8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt & config registers
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Manufacturer: TI
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Mfr.Part #: TCA9534PWR
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Datasheet: TCA9534PWR Datasheet (PDF)
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Programmable: Not Verified
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Number of I/O: 8
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Interface: I²C
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Interrupt Output: Yes
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Availability: 5150 PCS
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TCA9534PWR General Description
The TCA9534PWR is part of Texas Instruments' family of I2C-bus I/O expanders. It provides additional digital I/O pins that can be controlled and monitored via the I2C communication protocol. This device is particularly useful when the number of available GPIO pins on a microcontroller is limited.
Key Features
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 1000-V Charged-Device Model (C101)
- Low Standby Current Consumption
- IC to Parallel Port Expander
- Open-Drain Active-Low Interrupt Output
- Operating Power-Supply Voltage Range of 1.65 V to 5.5 V
- 5-V Tolerant I/O Ports
- 400-kHz Fast IC Bus
- Three Hardware Address Pins Allow up to Eight Devices on the IC/SMBus
- Input and Output Configuration Register
- Polarity Inversion Register
- Internal Power-On Reset
- Power-Up With All Channels Configured as Inputs
- No Glitch on Power Up
- Noise Filter on SCL/SDA Inputs
- Latched Outputs With High-Current Drive Maximum Capability for Directly Driving LEDs
- Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
Application
- Microcontroller I/O Expansion: Extending the number of available I/O pins on microcontrollers that have limited GPIO resources.
- Keypad Scanning: Simplifying the interface with keypads and matrix switches.
- LED Control: Controlling multiple LEDs individually or in patterns.
- Digital Sensors: Connecting and monitoring digital sensors or switches.
- Signal Multiplexing: Enabling signal multiplexing and selection in instrumentation and data acquisition systems.
- System Monitoring: Reading and monitoring digital signals from various parts of a system.
- Remote Control: Implementing remote control functions with digital I/O.
- Industrial Automation: Utilizing digital I/O for controlling and monitoring industrial equipment.
Specifications
Category | Integrated Circuits (ICs)InterfaceI/O Expanders | Mfr | Texas Instruments |
Series | - | Package | Tape & Reel (TR)Cut Tape (CT)Digi-Reel® |
Product Status | Active | Programmable | Not Verified |
Number of I/O | 8 | Interface | I²C |
Interrupt Output | Yes | Features | - |
Output Type | Push-Pull | Current - Output Source/Sink | 10mA, 25mA |
Clock Frequency | 400 kHz | Voltage - Supply | 1.65V ~ 5.5V |
Operating Temperature | -40°C ~ 85°C | Mounting Type | Surface Mount |
Supplier Device Package | 16-TSSOP | Base Product Number | TCA9534 |
Number of I/Os | 8 | Supply voltage (min) (V) | 1.65 |
Supply voltage (max) (V) | 5.5 | Addresses | 8 |
Rating | Catalog | Frequency (max) (MHz) | 0.4 |
Operating temperature range (°C) | -40 to 85 |
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Availability: 5150 PCS
+BOMQty. | Unit Price | Ext. Price |
---|---|---|
1+ | $0.996 | $1.00 |
10+ | $0.850 | $8.50 |
30+ | $0.769 | $23.07 |
100+ | $0.677 | $67.70 |
500+ | $0.563 | $281.50 |
1000+ | $0.546 | $546.00 |
The prices below are for reference only.
All bill of materials (BOM) can be sent via email to [email protected], or fill below form to Quote for TCA9534PWR, guaranteed quotes back within 12hr.
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