Name: CQ82C55A
Brand: Renesas Electronics
SKU: DS-5722434
Price: 5.4945 USD
Availability: InStock
Rating: 4.8 (3 reviews)

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Renesas Electronics CQ82C55A

IC I/O EXPANDER 24B 44MQFP

Manufacturer # :CQ82C55A

Manufacturer :Renesas Electronics

Dasenic # :CQ82C55A-DS

Datasheet :

CQ82C55A Datasheet

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Description : IC I/O EXPANDER 24B 44MQFP

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Quantity	Unit Price	Total
1+	$ 5.4945	$ 5.49

In Stock: 13

MOQ :1 PCS

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Delivery Time :Ship Within 48 Hours

Shipping Origin :Shenzhen or Hong Kong Warehouse

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Unit Price :$ 5.4945

Total :$ 5.49

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CQ82C55A information

Renesas Electronics CQ82C55A technical specifications, attributes, parameters.
Category:Integrated Circuits (ICs)/Interface - I/O Expanders
Product Status:Obsolete
Operating Temperature:0°C ~ 70°C
Features:-
Mounting Type:Surface Mount
Package / Case:44-QFP
Output Type:Open Drain
Interface:Parallel
Supplier Device Package:44-MQFP (10x10)
Voltage - Supply:4.5V ~ 5.5V
Number of I/ O:24
Interrupt Output:No
Current - Output Source/ Sink:2.5mA
Clock Frequency:-
EU RoHS Status:RoHS Compliant
REACH Status:Vendor is not defined
US ECCN:Provided as per user requirements
China RoHS Status:Orange Symbol: Safe for use during the environmental protection period

Download datasheets and manufacturer documentation for Renesas Electronics CQ82C55A
Datasheet:
CQ82C55A,

Renesas Electronics CQ82C55A Environmental and export classification status description
The Renesas Electronics CQ82C55A is a CMOS integrated circuit designed as a general-purpose programmable I/O device. It features three 8-bit bidirectional I/O ports (A, B, and C) and is commonly used for interfacing microprocessors in various electronic systems. Functions: 1. Three 8-bit bidirectional I/O ports (Port A, Port B, Port C). 2. Programmable operating modes for each port (e.g., input, output, bidirectional). 3. Interrupt capabilities for efficient communication with microprocessors. 4. Versatile programmable features for customization based on application requirements. Applications: 1. Microcontroller interfacing. 2. I/O expansion for embedded systems. 3. Parallel data transfer in consumer electronics. 4. Serial communication in industrial automation. 5. Keypad scanning and LED driving. Alternative Components: 1. Intel 8255 programmable peripheral interface. 2. Microchip MCP23S17 SPI-based I/O expander. 3. NXP PCA9555 I2C-bus I/O expander. Embedded Modules: 1. CQ82C55A can be integrated into embedded systems for general-purpose I/O functionality. 2. Its programmable features enable customization for specific applications. 3. Can be part of a larger system-on-chip (SoC) design for efficient integration. Related Q&A: 1. Can the Renesas Electronics CQ82C55A work with both 5V and 3.3V microcontrollers? 2. How can I configure the interrupt capabilities of the CQ82C55A for communication with a microprocessor? 3. What are the typical power requirements for the CQ82C55A in different operating modes? 4. Can the CQ82C55A function as a standalone I/O controller without a microprocessor? 5. What are the considerations for designing a PCB layout when incorporating the CQ82C55A into a system?

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CQ82C55A provided by Renesas Electronics

Renesas Electronics Corporation is a Japanese semiconductor manufacturer that provides advanced semiconductor solutions for various applications in industrial, automotive, consumer, and other sectors. The company was founded in 2003 as a joint venture between Hitachi, Mitsubishi Electric, and NEC Electronics, and it is headquartered in Tokyo, Japan. Renesas Electronics offers a wide range of products and services, including microcontrollers, microprocessors, system-on-chips (SoCs), analog and power devices, memory devices, and various software and tools for system development. These products are used in a variety of applications such as automotive, industrial, home appliances, mobile devices, and healthcare. In addition to its hardware products, Renesas offers software and tools to help customers develop and deploy their own solutions. Its e² studio integrated development environment (IDE) supports multiple languages and platforms, and Renesas offers a range of software stacks for various applications. Renesas has a global presence, with offices and manufacturing facilities in Asia, Europe, and the Americas.