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MC68882RC25A
+Lista de MateriaisIC FLOATING-POINT CO-PROC 68PGA
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FabricanteNXP USA Inc.
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Peça do Fabricante #MC68882RC25A
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Ficha Técnica MC68882RC25A DataSheet
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Pacote PGA-68
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Em Estoque5652
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Especificações
| Atributo | Valor |
| Package / Case | Tray |
| Part Status | Obsolete |
| Type | Floating-Point Co-Processor |
| Mounting Type | Through Hole |
Visão Geral
Description
This co-processor is typically used alongside a main CPU, such as the Motorola 68020 or 68030, to handle complex arithmetic operations, especially those involving floating-point calculations, which are essential in graphics, scientific calculations, and engineering applications. The MC68882RC25A supports a variety of data types, including single, double, and extended precision formats, and it is capable of executing numerous floating-point instructions, such as addition, subtraction, multiplication, and division, more efficiently than the host CPU alone.
Due to its architectural design, the MC68882RC25A significantly reduces the processing time for mathematical operations, thereby enhancing the overall performance of the system.
Equivalent
1. MC68881: The predecessor to the MC68882, though generally slower.
2. Weitek 3167: Another coprocessor for similar applications.
3. Intel i8231: Though this is for Intel processors, it's similar in functionality.
4. AMD 9511/9512: Earlier arithmetic coprocessors, less directly compatible but similar in purpose.
Compatibility may vary, so always check the system requirements for your specific application.
Features
1. Performance: It operates at 25 MHz, providing efficient floating-point operations and improving overall system performance by offloading complex calculations from the main CPU.
2. Compatibility: Seamlessly integrates with the 68000 family of microprocessors, maintaining software compatibility and simplifying integration into existing systems.
3. Instruction Set: Supports a comprehensive set of floating-point instructions, including arithmetic, trigonometric, logarithmic, and exponential functions, providing robust mathematical capabilities.
4. Precision: Offers single, double, and extended precision floating-point formats, adhering to IEEE 754 standards, which ensures accuracy in scientific and engineering calculations.
5. Pipelining: Features pipelined architecture to improve processing speed by allowing multiple instructions to be processed simultaneously.
6. Package: Comes in a 84-pin PLCC (Plastic Leaded Chip Carrier) package, facilitating implementation in various hardware designs.
This coprocessor is ideal for applications requiring high-speed numerical computation, such as graphics, scientific calculations, and engineering simulations.
Pinout
The pin configuration typically includes connections for data buses, address buses, control signals, and power supply. The integration of the MC68882 allows for efficient offloading of floating-point calculations from the main CPU, thereby accelerating processing tasks in applications like scientific computing, graphics, and engineering simulations.