The AM27S185/BVA is a high-performance, 16,384-bit (2048 x 8) Schottky PROM (Programmable Read-Only Memory) manufactured by AMD. It's designed for applications demanding fast access times and reliable data storage. This PROM utilizes Schottky diode clamped transistors to achieve exceptional speed and low power dissipation.
Applications
- Microprogram storage: Used in the control units of computers and other digital systems to store microcode.
- Look-up tables: Implemented in various applications for fast data retrieval.
- Code conversion: Employed to translate from one code to another in digital systems.
- Sequential logic circuits: Used as a memory element in sequential logic designs.
- Character generators: Used for storing character fonts in display systems.
Features
- Fast Access Time: Typically features access times in the 45-55 ns range, enabling high-speed operation.
- Low Power Dissipation: Schottky technology minimizes power consumption, contributing to energy efficiency.
- Three-State Outputs: Offers three-state outputs for easy memory expansion and bus interfacing.
- Programmable: Can be programmed to store specific data patterns.
- High Reliability: AMD's manufacturing processes ensure high reliability and data retention.
- Organized as 2048 x 8 bits: Allowing for byte-wide data storage.
Benefits
- Improved System Performance: Fast access times improve overall system performance by reducing memory access latency.
- Reduced Power Consumption: Low power dissipation leads to lower operating costs and reduced heat generation.
- Easy System Integration: Three-state outputs simplify memory expansion and interfacing with other system components.
- Design Flexibility: Programmability provides flexibility to customize memory content for specific applications.
- Increased System Reliability: High reliability ensures data integrity and reduces the risk of system failures.
Additional Details
The AM27S185/BVA typically operates from a single +5V power supply. It is often available in a 24-pin DIP (Dual In-line Package). Programming is usually done using specialized PROM programmers.