AT27C020-12JI

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AT27C020-12JI is a CMOS Electrically Erasable Programmable Read-Only Memory (EEPROM) developed by Atmel Corporation. It is used in various applications and is suitable for on-field non-volatile memory applications such as product configuration and code storing.

The Atmel AT27C020-12JI provides a large memory capacity of 2-Mbit that can store up to 256K bytes of data. It has an access time of 120 ns. It is a single-level cell (SLC) device that includes onmodule arrays, sense amplifiers, data latches, and decoders. The device is available in 5V and 3V (3.3V) operations.

AT27C020-12JI is designed with a 3.3V CMOS power supply. Its power supply operating range covers from 3V to 3.6V. Its maximum access time is 120 nanoseconds. The device also features power-down reset, which supports multiple supply voltage configurations. The device also features a low standby current and supports both programming and read operations.

AT27C020-12JI also has an on-board oscillator which can be programmed to provide a program initialization time of less than 10 milliseconds. This makes it suitable for applications which require fast data transfer rates.

The main applications for the AT27C020-12JI include automotive systems, industrial devices, gaming machines, and security systems. It is also suitable for application in telecommunications and networking systems.

AT27C020-12JI EEPROM is characterized by its simple write and read operations. Writing involves writing the data to the memory device and then erasing the existing data. Reading involves reading the data that has been written to the memory device. It does not require any write-functional programming as other devices do.

The working principle of the AT27C020-12JI is based on the nonvolatile memory to store the data. The device is programmed using the pulse programming (PP) method. The PP method is based on the fact that the erased cell can be programmed to a logic 0 or 1 level by applying a Pulse and a control voltage. The Vcc voltage is applied as the control voltage, while the Pulse voltage can be variable or variable with a combination of fixed voltage levels.

The AT27C020-12JI can be programmed up to 500 times. The programming and erasing of the device is done with the help of a special programming unit. Once the device is programmed, it can be re-programmed for up to 500 times.

In conclusion, the AT27C020-12JI is a CMOS Electrically Erasable Programmable Read-Only Memory designed for on-field non-volatile memory applications. It is characterized by its simple write and read operations, good performance, and low power consumption. Its working principle is based on the nonvolatile memory, which is programmed by applying a combination of Pulse and control voltage.

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