MC68882CRC25A

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MC68882CRC25A

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MATH COPROCESSOR, SUPPORTS MC680

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Specifications

Attribute Value
Supplier Rochester Electronics, LLC
Package Bulk
ProductStatus Active
Type Floating Point
Interface SCI, SPI
ClockRate 25MHz
Voltage-Core 5.00V
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Through Hole
Package/Case 68-BCPGA

Overview

Description

The MC68882CRC25A is a Floating Point Unit (FPU) developed by Motorola, designed to work alongside the 68000 series of microprocessors. It is used to enhance the computational performance of systems by offloading complex mathematical operations, particularly those involving floating-point arithmetic, from the main CPU. The "CRC25A" part of the designation typically indicates specific characteristics related to its clock speed (e.g., 25 MHz) and package type.
The MC68882 provides a full set of floating-point instructions and supports IEEE 754 standards for single-precision, double-precision, and extended-precision operations. It is commonly used in applications where high-speed calculations are necessary, such as scientific computing, graphics processing, and signal processing. The FPU supports a wide range of functions, including arithmetic operations, transcendental functions, and data conversion.
This coprocessor interfaces with the main CPU via a dedicated coprocessor bus, allowing it to execute instructions concurrently with the CPU, thereby improving the overall efficiency and speed of the system. The MC68882 is known for its precision and performance, making it a valuable component in advanced computing environments.

Equivalent

The MC68882CRC25A is a floating-point coprocessor used in Motorola 68000 series microprocessor systems. Equivalent products include the MC68882 series with different speed grades and the MC68881 coprocessor, which offers similar functionality with some differences in performance and features. Other third-party vendors may have compatible units, but it's important to ensure pin and timing compatibility. Always check specific compatibility with your system's requirements before choosing an equivalent.

Features

The MC68882CRC25A is a floating-point co-processor designed by Motorola for use with their 68000 series microprocessors. Key features include:
1. Floating-Point Support: Offers hardware acceleration for floating-point arithmetic, significantly improving performance over software-based calculations.
2. Precision: Supports single, double, and extended precision IEEE floating-point formats, ensuring high accuracy in computations.
3. Instruction Set: Provides a rich set of floating-point instructions, enhancing the mathematical capability of the host CPU.
4. Compatibility: Designed to work seamlessly with the 68020 and 68030 microprocessors, making it suitable for systems requiring enhanced computational power.
5. Performance: Operates at 25 MHz, providing fast floating-point calculations necessary for scientific, engineering, and graphics applications.
6. Integration: Can be integrated into a system without significant changes to existing architectures, allowing for straightforward upgrades.
7. Package: Typically available in a 40-pin ceramic package, making it suitable for various hardware configurations.
These features make the MC68882CRC25A a powerful choice for systems needing efficient floating-point computation.

Pinout

The MC68882CRC25A is a floating-point coprocessor used to enhance the mathematical computation capabilities of microprocessor systems. It typically comes in a 40-pin ceramic DIP (Dual In-line Package) or a 44-pin PLCC (Plastic Leaded Chip Carrier) package configuration.
Key functions of the MC68882 include:
- Performing high-speed floating-point arithmetic operations.
- Supporting operations such as addition, subtraction, multiplication, division, and square root.
- Providing extended precision for calculations (up to 80-bit internal precision).
- Implementing transcendental functions like sine, cosine, arctangent, and exponential.
- Supporting IEEE 754 floating-point standards.
The coprocessor interfaces with the main CPU through a parallel bus, allowing it to efficiently offload complex mathematical computations. It is compatible with the Motorola 68000 family of microprocessors and is often used in applications requiring enhanced mathematical processing, such as scientific computations, graphics, and engineering simulations.

Manufacturer

The MC68882CRC25A is manufactured by Motorola. Motorola is a multinational company that specializes in telecommunications and electronics. Originally founded in 1928, the company has been a pioneer in the field of communication devices, including two-way radios, cellular infrastructure, and microprocessors. The MC68882 is a floating-point co-processor used in computing systems to perform mathematical calculations more efficiently, which showcases Motorola's involvement in semiconductor and integrated circuit development. Over the years, Motorola has undergone significant restructuring and parts of it have been spun off, such as the creation of Freescale Semiconductor, which was its semiconductor products sector. Freescale was later acquired by NXP Semiconductors. However, during the time the MC68882 was manufactured, it was under the aegis of Motorola's semiconductor division.

Application

The MC68882CRC25A is a floating-point co-processor used primarily in computing applications that require enhanced mathematical computation capabilities. It is suitable for areas such as scientific computing, engineering simulations, digital signal processing, and graphics workstations. This co-processor accelerates complex arithmetic operations, making it ideal for applications where performance in floating-point calculations is critical. It was often used alongside processors in systems requiring high-speed numeric processing, including aerospace, automotive simulations, and CAD/CAM software, to improve the overall computational efficiency and speed of these applications.

Package

The MC68882CRC25A is a co-processor from the Motorola 68882 family, typically used to perform floating-point arithmetic. The "CRC" in its designation indicates a ceramic quad flat package (CQFP) with a package type that typically includes a specific pin count and layout. The "25" signifies a 25 MHz operating speed.

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