11AA080-I/W16K

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Memory is an extremely important component for the computer system and is responsible for the storage of data. 11AA080-I/W16K is a type of memory device developed by the Alliance Semiconductor corporation. This device is a static RAM (SRAM) integrated circuit manufactured using CMOS technology. It is mainly used as a source of quickly accessible data and functions similarly to an ordinary RAM chip. Its applications can be readily found in various electronic devices and computer systems.

11AA080-I/W16K Overview

11AA080-I/W16K is a 1kbit SRAM with 8-bit data width. This device is packaged in a 16-pin plastic dip with 2mm pin spacing and 0.3in lead lengths, making it suitable for mass production. This product operates with a power supply voltage of 2.5-5.5V as well as a temperature from -40°C to 85°C. The average current consumption for a dynamic read/write cycle is around 5.5mA, although additional components are required to support this device. It comes with a 1 Mbit (128K x 8) memory cell with a control interface that includes two chip enable, two output enable, and one write enable pins. The speed of 11AA080-I/W16K is static, and its access speed is 1.7MHz.

11AA080-I/W16K Application Field

With its low power consumption, wide operating temperature range, and small form factor, 11AA080-I/W16K is highly suitable for a wide range of applications. It is used as cache memory in a variety of consumer products, as well as for digital storage and program control for industrial products. This device can also be used in a broad range of applications related to data processing, including but not limited to, health care devices, security systems, automotive systems, and consumer electronics. Furthermore, in the printing industry 11AA080-I/W16K can be incorporated into dot matrix printers, toner cartridges, and photosensitive papers.

11AA080-I/W16K Working Principle

11AA080-I/W16K is an asynchronous static RAM device, thus it functions similar to a typical RAM. It contains an array of 8-bit data blocks that are individually addressable, with each block being able to store a single byte (8 bits) of data. Accessing the data stored in this device is done by providing an address to the memory controller, which generates a corresponding chip select signal for each block. Activating the chip select signal will enable the data stored in the block to be written or read from the data bus. In addition, an output enable signal is used to control the data output from the memory.

The data stored in 11AA080-I/W16K is written using a single write cycle and read using a single read cycle. During a write cycle, the address and data lines are driven to their target value and then the chip select, output enable, and write enable signals are activated. This causes the data to be written to the addressed memory block. During a read cycle, the address and chip select signals are driven to their target values and the output enable signal is activated, allowing the data stored in the addressed memory block to be read from the data outputs.

In addition to the above, 11AA080-I/W16K can also be used for refreshing dynamic RAM cells. This is done by periodically activating the chip selects and output enables, allowing the data stored within the memory blocks to be re-written. This ensures that the data stored within the device is not lost due to hysteresis.

Conclusion

11AA080-I/W16K is a static RAM device manufactured by the Alliance Semiconductor corporation. It is mainly used in data processing applications and offers a wide range of features such as low power consumption, wide operating temperature range, and small form factor. In terms of its operation, this device works similarly to an ordinary RAM chip, with data being written and read one byte at a time. Furthermore, it can also be used for refreshing dynamic RAM cells.

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