The HN58C256P-20 is a 262,144-bit (32,768 words x 8 bits) CMOS static RAM (SRAM) manufactured by Hitachi. This memory device is designed for applications needing fast data access and low power consumption. It features an access time of 200 ns and operates on a single 5V power supply.

Applications

• Cache Memory: Utilized as cache memory in microprocessor-based systems to speed up data access.
• Buffer Memory: Used as temporary buffer storage in data acquisition and signal processing systems.
• Industrial Control Systems: Employed in industrial automation equipment for storing real-time data and parameters.
• Embedded Systems: Integrated into various embedded systems requiring high-speed data storage.
• Data Loggers: Used in data logging equipment to store sampled data temporarily.

Features

• High-Speed Access: Features an access time of 200 ns, allowing for fast data retrieval and processing.
• Low Power Consumption: CMOS technology ensures minimal power consumption, suitable for battery-operated devices.
• Single 5V Power Supply: Operates on a single 5V power supply, simplifying system design.
• TTL Compatible Inputs/Outputs: Compatible with standard TTL logic levels, simplifying integration with other components.
• 256Kbit Storage Capacity: Provides a storage capacity of 256 Kbits (32KB).

Benefits

• Improved System Performance: Fast access time helps improve the overall system performance by reducing memory access latency.
• Extended Battery Life: Low power consumption extends the operating life of battery-powered devices.
• Simplified System Design: Single power supply requirement simplifies system integration and reduces BOM cost.
• Reliable Data Storage: CMOS technology provides high reliability and data integrity.
• Cost-Effective Solution: Offers a cost-effective solution for applications needing high-speed memory.

Additional Details

The HN58C256P-20 comes in a 28-pin DIP package. It has chip enable (CE) and output enable (OE) control pins for easy interfacing with microprocessors and other digital systems. The HN58C256P-20 SRAM is suitable for applications that demand fast data access, low power consumption, and reliable data storage, making it versatile for a range of electronic devices. Although an older component, its specifications illustrate the requirements of SRAM in digital systems. This component offers a good balance between speed, size, and power consumption in many embedded and industrial applications where quick data retrieval is crucial.