The IS61C256AH-25U is a high-speed, low-power 256K x 1 Static RAM (SRAM) manufactured by ISSI (Integrated Silicon Solution Inc.). It is designed for applications requiring fast access times and low power consumption. This SRAM is commonly used in embedded systems, networking equipment, and other high-performance applications.

Applications

• Cache memory in embedded systems
• Networking buffers and data storage
• High-speed data acquisition systems
• Industrial control systems
• Medical devices

Features

• High-speed access time: 25 ns
• Low power consumption: Typically operates at low milliampere range during active and standby modes.
• Single 5V power supply
• Fully static operation: No clock or refresh required
• TTL compatible inputs and outputs
• Available in various package options
• Operating temperature from -40°C to +85°C

Benefits

• Fast data access ensures optimal system performance.
• Reduced power consumption extends battery life in portable applications.
• Easy integration due to TTL compatibility.
• Reliable data storage without the need for refresh cycles.
• Versatile usage across a broad range of operating conditions.

Additional Details

The IS61C256AH-25U is organized as 32,768 words by 8 bits. It utilizes industry-standard packaging to facilitate easy integration into existing designs. The device's fully static operation simplifies memory control and eliminates the need for complex timing and refresh circuitry. The SRAM's symmetrical read and write access times enhance overall system efficiency. This SRAM offers a cost-effective solution for high-performance memory applications and ensures long-term reliability. Its robust design and wide operating temperature range make it suitable for harsh environments. The part is often used where fast data storage and retrieval are paramount, offering a reliable and efficient solution. It has address inputs, data inputs/outputs, chip enable, output enable and write enable control signals.