AT27C2048-90PC

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Today, memory components are essential for countless applications from embedded systems to full-blown PCs. The AT27C2048-90PC series is an example of a cutting-edge memory device that is ideal for a diverse range of applications. This memory device provides an extensive array of features which make it an excellent choice for most applications.

Applications

The AT27C2048-90PC is a 512K-bit, 28-pin CMOS static RAM device. It can be used in many applications, ranging from memory cards to portable and embedded systems. The device is designed to operate with a single +5V voltage supply, making it suitable for battery-powered applications. The low power consumption of the device (~60 mA typical) makes it ideal for battery-powered applications where power is at a premium.

The AT27C2048-90PC is an ideal choice for applications that require high speed, low power consumption and low cost. The device also offers several features that make it an excellent choice for memory cards and embedded systems. The extended temperature range (-40 to +85 degrees Celsius), the wide voltage range (2.7 - 5.5V), the low standby power consumption and the extended ECC options make this the perfect choice for a wide variety of applications.

This device is also suitable for use in automotive applications. The device is designed to operate in temperatures ranging from -40 to +85 °C, making it suitable for use in harsh environments. Additionally, the extended ECC options are ideal for automotive applications where fault tolerance is a must.

Working Principle

At the core of the device is a 512K-bit CMOS Static RAM array. The array is organized as 16K x 32 words. Each memory cell holds 1 bit of information and is addressable by the device\'s 16-bit address inputs. The device is accessed either through an asynchronous (AS) or synchronous (SS) interface. Both AS and SS allow data to be read or written to each memory cell. It has a fast access time of 120 ns (AS) and 70ns (SS) under +5V.

The device offers several levels of ECC (Error Correction Code) protection. It provides an on-chip write protection circuitry to prevent inadvertent write operations to the memory array. The device also offers built-in parity detection circuitry, 8-bit error correction, and 8-bit error detection. This feature helps maintain data integrity in data-critical applications.

In terms of security, this device is designed with secure read capability. It offers anti-tamper technology to secure the data stored in the device. This feature protects against unauthorized modification, cloning, or duplication of the device\'s memory content.

Conclusion

The AT27C2048-90PC device is a perfect example of cutting-edge memory technology. It offers a wide range of features and benefits, making it an excellent choice for many applications. The low power consumption, extended temperature range, and secure read capability make it an ideal choice for portable, embedded and automotive systems. The device also offers an extensive array of error correction code protection, helping to maintain data integrity in data-critical applications.

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