AT28C64-20PI

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The AT28C64-20PI is a static Random Access Memory (SRAM) designed for reliable in industrial, commercial and military applications that require a high-performance yet low-power memory solution. It is packaged as a Dual In-line Package (DIP) and has an 8Kbit capacity.

The AT28C64-20PI is based on high-performance CMOS technology and features very fast read and write access times, extremely low power consumption and excellent temperature stability. It has a static architecture which means that it retains data even when power is removed. This makes the AT28C64-20PI ideal for applications such as program memory, data memory, parameter memory and system configuration memory.

In addition to its excellent performance, the AT28C64-20PI also boasts an extended temperature range and a wide supply voltage range. It is able to operate between -40°C and +85°C, making it suitable for use in a wide variety of environments and applications. The wide supply voltage range also allows it to be used in most systems without requiring any additional supply voltage converters.

The AT28C64-20PI is constructed using a 3-transistor cell and operates using the Static Read/Write Cycle (SRWC). This cycle is a simple two-phase process that involves reading data from the memory and overwriting the memory with new data if required. The first phase involves placing the desired data or address onto the address bus, followed by the memory location to be written to or read from. In the second phase, the data bus is used to read or write data depending on the operation selected.

The AT28C64-20PI is capable of transferring data at either 2MHz or 5MHz depending on the system configuration. It includes a release to output enable (ROE) pin which allows the memory to be used in synchronous or asynchronous pulse modes. The ROE pin determines whether the memory is to be operated in synchronous or asynchronous modes.

The AT28C64-20PI can also be used as a low-power memory solution for battery-powered designs. It has an active power consumption of only 0.9mA and a standby power consumption of only 0.01mA, making it ideal for low-power designs.

In summary, the AT28C64-20PI is an excellent choice for applications that require a high-performance and low-power memory solution. Its wide temperature and voltage range, fast read and write access times, low power consumption and reliable operation make it ideal for industrial, commercial and military applications.

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