The TC55V4000ST-70 is a 4-Mbit Static RAM (SRAM) manufactured by Toshiba Semiconductor and Storage. It is a high-speed, low-power memory device designed for applications requiring fast data access and retention. The "-70" designation typically indicates an access time of 70 nanoseconds.

Applications:

• Cache Memory
• Buffer Memory
• Data Storage
• Embedded Systems
• Industrial Control Systems

Features:

• High-Speed Access: Fast access time of 70 ns for quick data retrieval.
• Low Power Consumption: Minimizes power consumption for battery-powered applications.
• 4-Mbit Density: Provides ample memory storage capacity.
• Wide Operating Voltage: Operates over a wide voltage range.
• TTL Compatible: Compatible with TTL logic levels.
• Data Retention: Retains data even when power is removed (volatile memory).

Benefits:

• Fast Data Access: High-speed access time enables fast data processing.
• Extended Battery Life: Low power consumption extends battery life in portable devices.
• Reliable Data Storage: Provides reliable data storage for critical applications.
• Versatile Application: Suitable for a wide range of memory applications.

Technical Specifications:

The TC55V4000ST-70 typically operates at a supply voltage of 3.0V to 5.5V. The access time is 70 ns. The standby current is typically less than 10 μA. The operating temperature range is typically -40°C to +85°C. The package is typically a 32-pin SOJ or TSOP. Detailed specifications, including the organization of the memory array and the specific timing parameters, can be found in the manufacturer's datasheet.