IP82C55AZ

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IP82C55AZ

+Nomenclature

IC XPNDR PARALLEL 40DIP

  • FabricantRenesas ÉLECTRONIQUE

  • Pièce fabricant #IP82C55AZ

  • En stock8519

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Spécifications

Attribut Valeur
Part Status Active
DigiKey Programmable Not Verified
Number of I/O 24
Interface Parallel
Interrupt Output No
Output Type Open Drain
Current - Output Source/Sink 2.5mA
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole
Package / Case 40-DIP (0.600", 15.24mm)
Supplier Device Package 40-PDIP
Base Product Number IP82C55

Présentation

Description

The IP82C55AZ is a programmable peripheral interface (PPI) device used primarily in microprocessor-based systems to manage input/output operations. It is an advanced version of the 8255 PPI, commonly used in applications requiring parallel data transfer. This PPI is composed of three 8-bit ports: Port A, Port B, and Port C. Each port can be configured to function as either an input or an output port.
The IP82C55AZ operates in three modes:
1. Mode 0 (Basic Input/Output): Each port can be used as a simple input or output without handshaking.
2. Mode 1 (Strobed Input/Output): Allows for the use of handshaking signals for data transfer, suitable for interfacing with peripheral devices.
3. Mode 2 (Bidirectional Bus): Permits bidirectional data communication on Port A with handshaking, making it ideal for complex data transfers.
The device is often utilized in embedded systems, robotics, and instrumentation where a microcontroller or microprocessor needs to interface with external peripherals efficiently. Its versatility and ease of integration make it a reliable choice for expanding I/O capabilities.

Equivalent

The IP82C55AZ is a programmable peripheral interface (PPI) chip, commonly used for interfacing peripheral devices with microprocessors. Equivalent products include the Intel 82C55A, NEC µPD71055, and Harris/Intersil CP82C55A. These chips are designed to perform similar functions and can often be used interchangeably in compatible systems, given their similar pin configurations and operational capabilities. Always verify compatibility with specific circuit requirements before substituting.

Features

The Intel IP82C55AZ is a programmable peripheral interface (PPI) used for interfacing peripheral devices to a microprocessor system. Key features include:
1. Three 8-bit Ports: It provides three 8-bit parallel I/O ports, labeled as Port A, Port B, and Port C, which can be used for interfacing with peripherals.
2. Mode Selection: It supports three modes of operation: Mode 0 (Basic Input/Output), Mode 1 (Strobed Input/Output), and Mode 2 (Bidirectional Bus).
3. Bit Manipulation: Port C can be split into two 4-bit ports, allowing for individual bit manipulation.
4. Control Register: A control register is available for configuring the modes of the ports.
5. Compatibility: It is compatible with a wide range of microprocessors, making it versatile for various applications.
6. CMOS Technology: Designed with CMOS technology for low power consumption.
7. Wide Operating Range: It operates over a wide temperature range, making it suitable for industrial applications.
These features make the IP82C55AZ a valuable component for expanding I/O capabilities in embedded systems and microprocessor applications.

Pinout

The Intel 82C55A, specifically the IP82C55AZ version, is a programmable peripheral interface (PPI) device with a 40-pin dual in-line package (DIP). Its main function is to interface peripheral devices to a microprocessor system. The device features three 8-bit parallel I/O ports, designated as Port A, Port B, and Port C. These ports can be programmed for either input or output in various modes, providing versatility in handling data exchange between the CPU and peripheral devices.
Key functions of the 82C55A include:
1. Mode 0 (Basic I/O Mode): Each port functions independently as a simple input or output port.
2. Mode 1 (Strobed I/O): Allows handshaking for data transfer, enabling synchronization between devices.
3. Mode 2 (Bidirectional Bus): Utilized only by Port A, allowing data flow in both directions with handshaking.
The 82C55A is commonly used in embedded systems, industrial automation, and control applications to enhance the interfacing capabilities of microprocessors.

Manufacturer

The IP82C55AZ is manufactured by Renesas Electronics Corporation. Renesas is a Japanese semiconductor company that designs and manufactures a wide range of semiconductor solutions. These include microcontrollers, microprocessors, analog and power devices, as well as system-on-chip (SoC) solutions. The company primarily focuses on automotive, industrial, home electronics, and information communication technology markets. Renesas is known for providing embedded solutions that contribute to the advancement of Internet of Things (IoT) technologies, automotive embedded systems, and industrial automation.

Application

The IP82C55AZ is a programmable peripheral interface device commonly used in microcontroller and microprocessor systems. Its application areas include:
1. Industrial Automation: Used for interfacing sensors, actuators, and control systems.
2. Consumer Electronics: Plays a role in interfacing user inputs like keyboards and displays.
3. Embedded Systems: Facilitates communication between the CPU and peripheral devices.
4. Data Acquisition Systems: Helps in collecting and managing data from various sources.
5. Instrumentation: Used in controlling and monitoring laboratory and industrial instruments.
6. Robotics: Manages I/O operations for robotic control systems.
Its versatility in interfacing makes it integral in various digital systems requiring parallel data transfer.

Package

The IP82C55AZ is typically available in a 40-pin dual in-line package (DIP), which is a common packaging type for integrated circuits that allows easy handling and placement on circuit boards.