The SST39SF040-45-4C-NH is a 4 Mbit Multi-Purpose Flash (MPF) device manufactured by Silicon Storage Technology (SST). It is a CMOS device fabricated with SST's proprietary, high-performance SuperFlash technology. The device conforms to JEDEC standards for x8 parallel flash memories. This device is designed for applications that require non-volatile storage and in-system reprogrammability.

Applications

• Embedded systems requiring non-volatile memory for program code or data storage.
• Firmware storage in various electronic devices, such as consumer electronics and industrial equipment.
• Storage of lookup tables or configuration parameters in real-time systems.
• Boot memory for microcontrollers and microprocessors.
• Data logging applications in portable devices.

Features

• Density: 4 Mbit (512 Kbytes)
• Interface: Parallel
• Access Time: 45 ns
• Supply Voltage: 4.5-5.5V
• Erase Capability: Sector Erase (4 KByte), Chip Erase
• Write Protection: Hardware write protection
• Endurance: 100,000 Cycles (Typical)
• Data Retention: Greater than 100 years
• Package Options: 32-Pin PLCC, 32-Pin TSOP

Benefits

• High Performance: Fast access times enable quick data retrieval, improving system performance.
• Low Power Consumption: Minimizes power drain, making it suitable for battery-powered applications.
• High Reliability: Offers robust performance in demanding environments.
• In-System Reprogrammability: Allows for convenient firmware updates without removing the device.
• Cost-Effective: Provides a competitive solution for storage needs.

The SST39SF040-45-4C-NH utilizes a page write operation that allows up to 128 bytes to be written at a time, reducing the overall programming time. The device also features a hardware write protection scheme, enhancing data security. Its high endurance and data retention capabilities make it suitable for applications requiring long-term data storage. The flexible erase architecture enables efficient memory management, allowing for targeted erasing of specific sectors or the entire chip. The fast access time contributes to the overall system performance, allowing for rapid retrieval of stored data. This device is also designed to be pin-compatible with industry-standard EPROMs and EEPROMs, simplifying the upgrade process.