PCF8574T/3,518
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- Mfr.Part #
- PCF8574T/3,518
- Manufacturer
- NXP Semiconductors
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16SOIC
- Stock
- 4,427
- In Stock ：
- 4,427
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- Manufacturer :
- NXP Semiconductors
- Product Category :
- I/O Expanders
- Width :
- 7.5mm
- Number of Ports :
- 1
- Voltage - Supply :
- 2.5V~6V
- External Data Bus Width :
- 1
- Length :
- 10.3mm
- Interrupt Output :
- yes
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Pin Count :
- 16
- Factory Lead Time :
- 7 Weeks
- Peak Reflow Temperature (Cel) :
- 260
- Number of Terminations :
- 16
- Number of Bits :
- 8
- Number of I/O :
- 8
- Height Seated (Max) :
- 2.65mm
- Current - Output Source/Sink :
- 300μA 25mA
- JESD-30 Code :
- R-PDSO-G16
- Packaging :
- Tape and Reel (TR)
- Feature :
- POR
- Base Part Number :
- PCF8574
- Supply Current-Max :
- 0.1mA
- Terminal Position :
- Dual
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Power Supplies :
- 3/5V
- Terminal Form :
- Gull wing
- Supply Voltage :
- 5V
- Interface :
- I2C
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Qualification Status :
- Not Qualified
- Clock Frequency :
- 100kHz
- Output Type :
- Push-Pull
- Operating Temperature :
- -40°C~85°C
- Mounting Type :
- Surface Mount
- JESD-609 Code :
- e4
- Published :
- 1997
- Terminal Pitch :
- 1.27mm
- RoHS Status :
- ROHS3 Compliant
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Surface Mount :
- yes
- Datasheets
- PCF8574T/3,518
I/O Expanders NXP Semiconductors PCF8574T/3,518 Overview
The I/O Expanders NXP Semiconductors PCF8574T/3,518 is an integral component for modern electronic applications, offering a versatile and efficient solution for expanding I/O capabilities via the I2C bus interface. Designed by NXP Semiconductors, a leader in semiconductor solutions, this IC allows for an 8-bit parallel port to interface with the serial I2C-bus. This capability is crucial in applications where pin and power economy is needed, especially in microcontroller-based systems. The device's compact 16SOIC package is ideal for space-constrained environments, providing a reliable and straightforward approach to system design and enhancement.
PCF8574T/3,518 Features
This I/O expander features several capabilities that make it highly suitable for a wide range of applications. It supports an 8-bit quasi-bidirectional I/O port (latched outputs with high-current drive capability for directly driving LEDs), includes an interrupt output which can be connected to the microcontroller's interrupt input, and allows for multiple devices on the same bus (up to 8 devices, thus expanding I/O ports by up to 64). Additionally, the device operates over a wide power supply range (from 2.5V to 6V) which ensures versatility across different power setups.
PCF8574T/3,518 Applications
- Remote I/O Expansions: Facilitates additional inputs and outputs for microcontrollers without needing more pins, ideal for compact remote control systems.
- Industrial Control Systems: Utilizes robust I2C interface for industrial applications where reliability and interfacing multiple devices are critical.
- Home Automation Systems: Enhances connectivity in smart home devices, allowing more devices to be controlled and monitored through a single microcontroller.
- Server Management: Used in server farms to manage server status indicators and controls through minimal wiring and maximal efficiency.
- Robotics: Helps in adding more sensors and actuators to robots without significant redesign or additional microcontroller pins.
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