The W24258Q-55LL is a high-speed CMOS static RAM (SRAM) manufactured by Winbond Electronics. This SRAM is designed for applications requiring fast access times and low power consumption. It is commonly used in embedded systems, networking equipment, and industrial control systems.

Applications

• Embedded systems
• Networking equipment (routers, switches)
• Industrial control systems
• Cache memory
• Digital signal processing (DSP)
• Medical devices

Features

• High-speed access time: 55ns access time enables quick data retrieval and storage.
• Low power consumption: CMOS technology minimizes power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: Operates over a wide voltage range, typically 4.5V to 5.5V.
• Data retention capability: Retains data even when power is removed.
• Byte write capability: Supports byte write operations for efficient data manipulation.
• Available in various packages: Offered in different package options, such as SOJ and TSOP, to meet various design requirements.

Benefits

• Improved system performance: Fast access time enhances the overall performance of embedded systems and other applications.
• Reduced power consumption: Low power consumption extends battery life in portable devices and reduces overall system power requirements.
• Increased reliability: Robust design ensures reliable operation in harsh environments.
• Simplified system design: Easy integration into existing systems.
• Cost-effective solution: Provides a high-performance memory solution at a competitive price.

Additional Details

The W24258Q-55LL is organized as 32,768 words by 8 bits. It is fully static, meaning that no refresh cycles are required to maintain data. The device includes chip enable (CE) and output enable (OE) control signals for easy memory access. The SRAM's asynchronous operation simplifies interfacing with various microprocessors and microcontrollers. The device's operating temperature range is typically from -40°C to +85°C. It is available in lead-free packages compliant with RoHS standards. The specific package options may include 28-pin SOJ or 28-pin TSOP. The supply current during operation is typically low, contributing to the device's overall low power consumption. The SRAM is suitable for applications requiring high-speed, low-power, and reliable memory storage.