The TC55464AJ-20 is a 65,536-bit static RAM (SRAM) manufactured by Toshiba Semiconductor and Storage. It's organized as 8,192 words by 8 bits. This SRAM is known for its fast access times, making it suitable for applications requiring quick data retrieval and storage. The '-20' suffix typically indicates an access time of 200ns.

Applications

• Microprocessor Systems: Used as cache memory or working memory in embedded systems.
• Data Acquisition Systems: Employed for temporary storage of data collected from sensors and other sources.
• Industrial Control Equipment: Used in programmable logic controllers (PLCs) and other control systems.
• Instrumentation: Utilized in oscilloscopes, spectrum analyzers, and other test and measurement equipment.
• Robotics: Serving as memory in robot controllers for storing program code and sensor data.

Features

• Memory Size: 65,536 bits (64Kbit)
• Organization: 8,192 words x 8 bits
• Access Time: 200 ns (indicated by -20 suffix)
• Supply Voltage: 5V (typical for this era of SRAM)
• Package: DIP (Dual In-line Package) or SOP (Small Outline Package) - Specify Package Type
• Low Power Consumption: Relatively low power consumption compared to dynamic RAM (DRAM).
• Static Operation: No refresh required, simplifying system design.

Benefits

• Fast Access Times: Enables quick data retrieval, crucial for time-sensitive applications.
• Easy to Use: Static operation eliminates the need for refresh circuitry.
• Low Power Consumption: Reduces overall system power requirements.
• Reliable Data Storage: Provides stable and reliable data storage.
• Wide Operating Temperature Range: Suitable for use in a variety of environments.

Additional Details

The TC55464AJ-20 is a classic SRAM device often used in legacy systems and embedded applications. Its ease of use, combined with fast access times, made it a popular choice for designers. Refer to the Toshiba datasheet for detailed electrical characteristics, timing diagrams, and package dimensions. The exact package type (DIP or SOP) will affect the mounting and physical dimensions. The device is typically TTL compatible.