The TC55257CPL-85L is a 262,144-bit static random access memory (SRAM) organized as 32,768 words by 8 bits, manufactured by Toshiba Semiconductor and Storage. It is designed for applications where low power consumption and fast access times are crucial.

Applications

• Portable Devices: Suitable for use in battery-powered devices like handheld instruments and mobile communication equipment.
• Embedded Systems: Utilized as memory in microcontrollers and other embedded systems requiring low power operation.
• Data Loggers: Found in devices that require non-volatile storage of data over extended periods.
• Industrial Control Systems: Used for storing configuration data and program code in industrial equipment.
• Medical Equipment: Employed in portable medical devices for data storage and retrieval.

Features

• Low Power Consumption: Designed for minimal power usage, prolonging battery life in portable applications.
• Fast Access Time: Offers an access time of 85 ns, enabling quick data retrieval.
• Wide Operating Voltage: Operates over a broad voltage range, providing flexibility in system design.
• TTL Compatible: Compatible with standard TTL logic levels, simplifying interfacing with other components.
• Fully Static Operation: Requires no clock or refresh cycles, simplifying memory control.
• Available in DIP and SOP Packages: Offers flexibility in mounting options for different board layouts.

Benefits

• Extended Battery Life: Low power consumption significantly extends the operating time of battery-powered devices.
• Improved System Performance: Fast access times enhance the overall speed and responsiveness of the system.
• Simplified System Design: Easy integration with existing logic circuits and wide operating voltage range streamlines the design process.
• Enhanced Reliability: Fully static operation ensures stable performance over a wide range of operating conditions.
• Cost-Effective Solution: Provides a balance between performance, power consumption, and cost.

Additional Details

The TC55257CPL-85L is a fully static CMOS RAM. It supports standard memory operations such as read, write, and chip enable. The device features a low standby current, further reducing power consumption when not actively being accessed. The package type is typically a 28-pin DIP or SOP. This SRAM is designed to operate reliably in a wide range of temperatures, making it suitable for various environmental conditions.