MC68882CRC33A

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MC68882CRC33A

+BOM

IC FLOATING-POINT CO-PROC 68PGA

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Specifications

Attribute Value
Package Tray
ProductStatus Obsolete
Type Floating-Point Co-Processor
MountingType Through Hole
Package/Case 68-BCPGA

Overview

Description

The MC68882CRC33A is a high-performance floating-point coprocessor designed by Motorola, primarily used to enhance the computational capabilities of systems built around the 68000 family of microprocessors. Operating at a clock speed of up to 33 MHz, it significantly improves the execution of complex arithmetic operations, including addition, subtraction, multiplication, division, and transcendental functions like sine and cosine.
The coprocessor is compatible with IEEE 754 floating-point standards, ensuring precision and consistency in floating-point arithmetic. Its architecture allows for pipelined operations, which means it can execute multiple instructions simultaneously, thereby increasing throughput and efficiency. The MC68882 integrates seamlessly with the host processor, using a simple interface for data and instruction exchange, which minimizes the overhead typically associated with coprocessor interactions.
Typically utilized in high-end computing applications such as CAD, scientific simulations, and graphics processing, the MC68882CRC33A enhances system performance by offloading complex calculations from the main CPU, allowing it to handle other tasks more efficiently.

Equivalent

The MC68882CRC33A is a floating-point coprocessor used in conjunction with the Motorola 68020 and 68030 CPUs. Equivalent products or alternatives include the MC68881, which is an earlier version, and similar coprocessors from other manufacturers like Intel's 80287 or Weitek's 1164/1165, though they may not be directly pin-compatible and could have different performance characteristics. The specific choice of an equivalent depends on the system architecture and compatibility requirements.

Features

The MC68882CRC33A is a high-performance floating-point co-processor designed to work with the Motorola 68000 family of microprocessors. It enhances computational efficiency by offloading complex mathematical operations from the main CPU, thereby accelerating floating-point arithmetic calculations. Key features of the MC68882 include:
1. Enhanced Instruction Set: Supports a wide range of floating-point instructions, making it versatile for scientific and engineering applications.

2. Performance: Offers improved speed and efficiency over its predecessor, the MC68881, due to refined internal algorithms and faster clock speed, operating at 33 MHz.
3. Precision: Provides extended precision with IEEE standard floating-point arithmetic, ensuring high accuracy in calculations.
4. Compatibility: Seamlessly integrates with existing 68000-series microprocessors, allowing for straightforward upgrades and enhanced system performance without significant redesign.
5. Pipelining and Concurrency: Features pipelined architecture, enabling concurrent execution of instructions, which contributes to reduced processing time.
These attributes make the MC68882CRC33A ideal for applications requiring high-speed mathematical computations, such as graphics processing, simulations, and scientific analysis.

Pinout

The MC68882CRC33A is a floating-point co-processor from Motorola, used primarily to enhance the computational capabilities of microprocessor systems, especially those employing the 68000 family of CPUs. It typically comes in a 68-pin PLCC (Plastic Leaded Chip Carrier) package.
The primary function of the MC68882 is to handle complex mathematical calculations, such as floating-point arithmetic, which includes addition, subtraction, multiplication, division, and square root operations. This offloads the floating-point tasks from the main CPU, allowing for faster and more efficient processing of mathematical computations. It supports both single-precision and double-precision operations, adhering to IEEE 754 standards for floating-point arithmetic.
The integration of the MC68882 is particularly beneficial in applications requiring high-speed number crunching, such as scientific computing, graphics processing, and real-time data processing.

Manufacturer

The MC68882CRC33A is manufactured by Motorola. Motorola was historically known as a major American multinational telecommunications company. It was originally founded in 1928 and has been involved in various sectors of the electronics and telecommunications industries. The company developed and supplied various types of semiconductor components, including microprocessors, like the MC68882, which is a floating-point coprocessor that was used in computing devices to enhance their arithmetic processing capabilities.
In 2011, Motorola split into two separate entities: Motorola Mobility and Motorola Solutions. Motorola Mobility focused on mobile phone manufacturing and was acquired by Google in 2012 and later sold to Lenovo in 2014. Motorola Solutions continues to operate as a data communications and telecommunications equipment provider. The semiconductor segment of Motorola was spun off as Freescale Semiconductor in 2004, which was later acquired by NXP Semiconductors in 2015.
Thus, the company responsible for manufacturing the MC68882 is Motorola, which was a key player in telecommunications and semiconductor industries during its time.

Application

The MC68882CRC33A is a floating-point coprocessor used to enhance the mathematical computation capabilities of systems with 32-bit processors, particularly the Motorola 68020 and 68030 CPUs. It is commonly applied in fields requiring complex numerical calculations, such as scientific computing, digital signal processing, and computer-aided design (CAD). Additionally, it finds use in embedded systems, workstations, and servers that demand high-performance arithmetic operations. The coprocessor's ability to handle floating-point arithmetic efficiently makes it suitable for graphics processing and real-time applications where speed and precision are critical.

Package

The MC68882CRC33A is a floating-point coprocessor by Motorola, typically packaged in a Ceramic Pin Grid Array (CPGA). This type of packaging supports high-performance computing applications by providing efficient heat dissipation and robust connectivity for the processor pins.

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