AT27C1024-90PI

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AT27C1024-90PI is a kind of Memory with a wide range of application fields. It is used in a large variety of digital devices, from low-voltage small form-factor devices to high-voltage industrial applications. The AT27C1024-90PI is a CMOS EPROM memory device built with a 2Mbit, 2-bit multi-planar flash memory. This device offers very low power consumption, high speed and low-power SRAM operation times. The device utilizes the same memory core architecture used in the AT27C1024-90PI, allowing compatibility.

In terms of the working principle of AT27C1024-90PI, it allows the user to store or recall data from the memory using the address bus directly. It supports four bidirectional I/O lines (read/write) and a special programmable memory port. A unique feature of the AT27C1024-90PI is its ability to detect the number of times a given address is accessed. This makes it ideal for applications like digital video recording and image compression. The device also supports a five-stage address auto-increment feature, allowing the user to program a specific address and then auto-increment the address by one each time a new data is accessed.

The AT27C1024-90PI allows the user to store up to 256 Kbytes of information. The device contains two banks of 128 Kbytes, each with its own set of registers. The contents of the registers can be read and written in parallel and sequentially, allowing the user to access the same memory content in different ways. The device also features an optional OTP programmable EEPROM for data storage and retrieval. The Flash programming speed of the AT27C1024-90PI allows for faster programming times compared to other EPROMs.

In terms of power consumption, the AT27C1024-90PI only needs 1 mW of power for one instruction fetch. This is significantly lower than the power consumed by other EPROMs and can be further reduced by using the complimentary on-chip power saving mode or shut-down mode. The device also features a Sleep mode, which is used to conserve power and keep the device in a low power state. The AT27C1024-90PI also supports on-chip power management by automatically entering a Sleep mode after a certain period of inactivity and automatically resuming operations when the user resumes instruction access.

The AT27C1024-90PI also features a temperature-compensated, self-timed (TCST) instruction cycle which improves the timing accuracy and reliability of the device. The device also supports battery backup, allowing the memory to remain operational even during power failures. It also has two pin configuration modes, direct and indirect addressing, which allow users to configure the device in accordance with their application\'s needs.

In conclusion, the AT27C1024-90PI is a very versatile Memory which provides the user with low-power low-cost storage and the ability to store 256 Kbytes of information with programmable parameters and battery backup. It also has a wide range of applications in digital devices, from small form-factor devices to industrial applications. The AT27C1024-90PI is a perfect solution for applications which require low-power and reliable solutions.

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