M95020-RDW6TP

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Introduction

M95020-RDW6TP is a Memory IC, manufactured by STMicroelectronics, a semi-conductor manufacturer based in Geneva, Switzerland. It is an asynchronous, low-power, non-volatile serial EEPROM, with an integrated I2C-bus interface. It can store up to 256 Kbits of data, which is equivalent to 32 Kbytes. The device is ideal for industrial applications such as factory automation, building automation, instrumentation and home automation. It is also suitable for automotive applications as it is specified for temperature ranges between -40°C and +85°C. Additionally, the device requires a VCC voltage of only 2.1 to 3.6 volts to operate.

Application Field

The M95020-RDW6TP Memory IC is applicable in many fields and industries. In industrial electronics, it can be used to store settings and programming information in controllers and processes, as it is highly reliable and has a low power consumption. Its low-power operation makes it suitable for battery-powered applications, while still providing a high data storage capacity. In automotive electronics, it can be used to store speed sensors and/or brake sensors information, as well as that of engine diagnostics. It is also suitable for home automation, as it can store various user settings and programming information.

Working Principle

The M95020-RDW6TP Memory IC operates on the I2C bus protocol, enabling multi-master serial data transfer. The I2C-bus uses only two bi-directional lines (SDA and SCL) to communicate with other I2C-bus devices. This device contains an on-chip address counter which is incremented before each byte is read or written, allowing it to access the memory in a sequential manner. When the address reaches the highest address the counter automatically switches back to the start address, thus the whole memory can be accessed in one operation.

The device can interact with microcontrollers and other I2C-bus devices to store data when power is lost, as it has a standby current of only 1µA. When the device is powered down, the memory is still retained. This feature also makes it suitable for remote controllers and sensors that operated in low-power consumption mode, as the device can be placed in a low-consumption power-down mode to save energy.

Conclusion

The M95020-RDW6TP Memory IC is an ideal device for a variety of applications including industrial electronics, automotive electronics and home automation. It operates on the low-power I2C-bus protocol and can retain up to 256 Kbits of data, which is equivalent to 32 Kbytes. Additionally, it has an address counter that allows the memory to be accessed in a sequential manner and can retain its memory even when power is lost. The device is excellent for low-power applications and can be placed in a low-consumption power-down mode to conserve energy.

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