AS4C128M8D2-25BCN

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AS4C128M8D2-25BCN is a 128Mbit CMOS 8-bit low-power pseudo SRAM manufactured by ATMEL Corporation. It is a semiconductor memory device which offers high performance and low power consumption, making it ideal for applications that require high speed and low power consumption. It is typically used in consumer electronics devices such as personal digital assistants (PDAs) and mobile phones.

The AS4C128M8D2-25BCN has a 256K X 8-bit random access memory organized as two banks of 128K X 8-bits each. Both banks are organized as 16 bits by 128K words with a total access time of 8ns. The device is available in either 25ns or 16ns access times to meet the needs of the application. It is offered with an industrial temperature range of 0°C to 125°C.

The AS4C128M8D2-25BCN device is ideal for applications which require high speed read and write operation. It has an output drive capability of 8mA and a supply voltage range from 2.7V to 3.6V. The device can operate in both synchronous and asynchronous mode and has an asynchronous read zero latency. It also supports read-while-write operations and address-sequential write operations, which allows the user to efficiently access data from the device.

The AS4C128M8D2-25BCN is suitable for a variety of applications, including digital signal processors (DSPs), networking systems, hand-held devices, embedded controllers, and system controllers. It is also used in industrial controllers, medical equipment, security and safety systems, computer platforms, and aerospace systems. In addition, this device can be used as a single chip memory solution for memory intensive applications such as graphic processors and real-time FPGAs.

The working principle of the AS4C128M8D2-25BCN is relatively simple. It comprises of two separate by eight-bit wide memory buses, one comprising two 64K word by 8-bit memories, and the other comprising two 64K word by 4-bit memories. The device utilizes coding schemes to reduce memory access time and optimize the performance of the memory access. Furthermore, the chip contains a programming interface which allows the user to program the device for both read and write operations. The device also has an integrated circuit logic which can detect parity errors and generate an interrupt if one is detected.

Overall, the AS4C128M8D2-25BCN is an attractive device due to its low power consumption, high speed, and stability. It can be used in a variety of applications and is suitable for embedded systems, medical equipment, aeronautical systems, and other industrial devices. It can also provide a single chip memory solution for memory-intensive applications such as graphics processors and real-time FPGAs. As such, the AS4C128M8D2-25BCN is a great choice for those looking for a reliable and cost-effective memory device.

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