PCA9555AHF128
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- Mfr.Part #
- PCA9555AHF128
- Manufacturer
- NXP Semiconductors
- Package / Case
- 24-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- LOW-VOLTAGE 16-BIT I2C-BUS I/O P
- Stock
- 8,800
- In Stock ：
- 8,800
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- Manufacturer :
- NXP Semiconductors
- Product Category :
- Specialized ICs
- Width :
- 4mm
- Number of Ports :
- 2
- JESD-30 Code :
- S-PQCC-N24
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pin Count :
- 24
- Height Seated (Max) :
- 0.8mm
- Packaging :
- Tape and Reel (TR)
- Qualification Status :
- Not Qualified
- Mounting Type :
- Surface Mount
- Base Part Number :
- PCA9555
- Interface :
- I2C, SMBus
- Current - Output Source/Sink :
- 10mA 25mA
- Feature :
- POR
- Terminal Position :
- QUAD
- Factory Lead Time :
- 7 Weeks
- Published :
- 2003
- Number of Terminations :
- 24
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Operating Temperature :
- -40°C~85°C
- Power Supplies :
- 1.8/5V
- Terminal Pitch :
- 0.5mm
- Number of I/O :
- 16
- Clock Frequency :
- 400kHz
- Supply Voltage :
- 1.8V
- Number of Bits :
- 16
- Voltage - Supply :
- 1.65V~5.5V
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- RoHS Status :
- ROHS3 Compliant
- Interrupt Output :
- yes
- Output Type :
- Push-Pull
- Surface Mount :
- yes
- Length :
- 4mm
- Package / Case :
- 24-WFQFN Exposed Pad
- Terminal Form :
- NO LEAD
- Datasheets
- PCA9555AHF128
Specialized ICs NXP Semiconductors PCA9555AHF128 Overview
Specialized ICs NXP Semiconductors PCA9555AHF128 is an advanced I/O expander designed to improve the efficiency and functionality of embedded systems. This device integrates 16 I/O ports into a compact 24-WFQFN exposed pad package, making it ideal for space-constrained applications. The PCA9555AHF128 operates over a wide voltage range from 1.65V to 5.5V, allowing for flexibility in different power environments. The operating temperature range of -40°C to 85°C ensures reliability under extreme conditions. Additionally, its interface speed of 400kHz facilitates fast data transfer, while the Tape & Reel (TR) packaging is optimized for automated assembly processes, making it suitable for high-volume production.
Key Features
The PCA9555AHF128 offers several key features that make it a versatile choice for developers:
- 16 programmable I/O ports to maximize design flexibility
- Dual supply voltage operation at 1.8V and 5V, accommodating various logic levels
- High interface speed of 400kHz, enabling quick communication with microcontrollers
- Extended operating temperature range from -40°C to 85°C, suitable for harsh environments
- Surface Mount package for efficient assembly and space-saving design
- Total of 24 pins on the part, with an exposed pad for better heat dissipation
Applications
The Specialized ICs NXP Semiconductors PCA9555AHF128 is designed for a wide range of applications, particularly where additional I/Os are needed:
- Multiprotocol RFID Readers: Supports EPC-GEN2, ISD, and IPX protocols
- Communication infrastructure: Ideal for IDEN, PHS, GSM Basestations
- Data communication equipment: Used in Repeaters, Radio Links, and Modems
- Wireless telemetry systems, providing reliable data transfer
- Advanced radio systems: JTRS and 802.11x Receivers
- Mobile communication development: TD-SCDMA, CDMA2000
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