M27W401-80B6

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M27W401-80B6 is a low-voltage parallel flash memory device consisting of 512K bits of memory organized as 32K words of 16 bits each. This memory is organized as 4 blocks each containing 256K bits divided into 128K words of 16 bits each. The device also has an 8-bit data bus for transmitting and receiving data between the device and the system. It operates on a standard 5-volt supply.

Application Field

The M27W401-80B6 is primarily used in industrial and consumer applications such as appliance control (washing machines, dishwashers), automotive (emergency stopping systems, tire pressure monitors, light control systems), medical (glucometers, ECG monitors), portable computing devices (PDAs, laptops) and point-of-sale (POS) devices. It is also used in microcontroller applications as a data and program memory for data storage and retrieval.

The M27W401-80B6 provides a cost effective solution for low to medium density data storage requirements and is available in a variety of package options such as SOIC, SOP, TSOP, DFN and TSSOP, providing the optimal package solution based on customer requirement.

Working Principle

The M27W401-80B6 operates in a manner similar to all other parallel memories. The data bus is used to transmit and receive data between the memory and the external controller. All other operations, such as program and erase, are performed by the external controller, which must generate and control the memory activate signals in order to perform these operations. The device is byte-wide addressable and utilizes an industry standard command set.

The device is also equipped with a standard array of features and protection circuits to ensure reliable operation of the memory. The memory array is protected from inadvertent writes by a powerful write-protection circuitry. The array is also equipped with a data-retention operation that prevents the inadvertent erasure of the firmware.

The M27W401-80B6 is also equipped with an advanced error detection and correction circuitry that provides an additional level of data integrity. This circuitry is installed to detect and correct any errors that may occur in data transmissions or data storage. This error correction circuitry is especially beneficial for applications such as medical or automotive applications where data integrity is of utmost importance.

The M27W401-80B6 is a versatile memory solution that provides users with a low-cost solution for a wide variety of applications. It provides users with the assurance of data integrity, while maintaining a low power consumption.

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