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PC28F320C3BD70A

PC28F320C3BD70A Description

The PC28F320C3BD70A is a 32Mbit (2M x 16) parallel NOR Flash memory IC manufactured by Numonyx, designed for high-performance embedded systems requiring reliable non-volatile storage. Operating within a 2.7V to 3.6V supply range, this device features a 70ns access time and a 70ns write cycle time, making it suitable for applications demanding fast read/write operations. The memory interface is parallel, enabling efficient data transfer for systems with broader bus architectures. Packaged in a 64-EASYBGA form factor, it is optimized for surface-mount assembly. Although marked as obsolete, its robust design and legacy compatibility make it relevant for long-lifecycle industrial applications.

PC28F320C3BD70A Features

• High-Speed Performance: 70ns access/write times ensure rapid data handling for real-time systems.
• Parallel Interface: 16-bit wide bus enhances throughput compared to serial alternatives.
• Wide Voltage Range: Operates at 2.7V–3.6V, compatible with low-power and standard 3.3V systems.
• Industrial-Grade Reliability: Suitable for harsh environments due to its robust architecture.
• Large Capacity: 32Mbit density (organized as 2M x 16) accommodates firmware, boot code, or data logging.
• Legacy Compatibility: Ideal for upgrading or maintaining older designs without redesigns.

PC28F320C3BD70A Applications

This NOR Flash memory is tailored for embedded systems where speed and reliability are critical:

• Industrial Automation: Stores firmware for PLCs, motor controllers, and HMI devices.
• Telecommunications: Boot code storage for routers, switches, and baseband processors.
• Automotive Electronics: Used in infotainment systems and ECUs requiring fast boot times.
• Medical Devices: Secure storage for critical firmware in diagnostic equipment.
• Military/Aerospace: Legacy systems requiring radiation-tolerant, high-endurance memory.

Conclusion of PC28F320C3BD70A

The PC28F320C3BD70A offers a balance of speed, capacity, and reliability for legacy and industrial applications. Its parallel interface and fast access times make it superior to slower serial Flash alternatives in bandwidth-sensitive designs. While obsolete, its Numonyx heritage ensures proven performance in demanding environments. Engineers maintaining or upgrading older systems will find this IC a dependable solution for non-volatile storage needs.