The SM81C256K16CF28 is a high-speed CMOS Static RAM (SRAM) module manufactured by Silicon Labs. This memory device is organized as 256K x 16 bits, offering a total memory capacity of 4 Megabits. It is designed for applications that require fast access times, low power consumption, and reliable data storage. The “CF28” likely refers to the package type or a specific speed grade or revision.

Applications:

• Embedded systems
• Networking equipment
• Industrial control systems
• Medical devices
• Aerospace applications
• Data acquisition systems

Features:

• High-speed access time
• Low power CMOS technology
• Single 5V power supply (typical for older SRAMs, confirm in datasheet)
• Fully static operation (no refresh required)
• Tri-state outputs for bus interfacing
• TTL compatible inputs/outputs

Benefits:

• Fast data access for demanding applications
• Reduced power consumption, suitable for battery-powered devices
• Easy integration with standard logic circuits
• Reliable data storage
• Flexible interfacing options

Additional Details:

The SM81C256K16CF28 is a fully static SRAM, which means that it does not require any refresh cycles to maintain data integrity. This simplifies the memory interface and improves system performance. The device typically operates from a single 5V power supply, simplifying power supply design. The tri-state outputs enable easy connection to a shared memory bus. The TTL compatible inputs and outputs ensure compatibility with a wide range of logic devices. Key technical specifications, such as access time, operating temperature range, power dissipation, and package dimensions, are usually available in the device datasheet. The 256K x 16 organization provides a balance between memory capacity and data width. The CMOS technology ensures low power consumption and high reliability.