AT28BV256-20JC

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	EEPROM
Technology:	EEPROM
Memory Size:	256Kb (32K x 8)
Write Cycle Time - Word, Page:	10ms
Access Time:	200ns
Memory Interface:	Parallel
Voltage - Supply:	2.7 V ~ 3.6 V
Operating Temperature:	0°C ~ 70°C (TC)
Mounting Type:	Surface Mount
Package / Case:	32-LCC (J-Lead)
Supplier Device Package:	32-PLCC
Base Part Number:	AT28BV256

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Introduction to AT28BV256-20JC

AT28BV256-20JC is a family of high performance asynchronous SRAM organized as 8k by 32 bits. It is designed for use in high-reliability, single-ended, low-power applications. A wide operating temperature range of -40°C to +85°C is also achieved. It is designed with high speed and very low power operation. It offers an industrial grade memory product with an access time of 20ns and a cycle time of 30ns minimum.

Application Field

The AT28BV256-20JC is well suited for use in industrial, automotive, medical, and other applications where reliability, cost and low power are paramount. Particularly useful applications include mobile devices, embedded systems and digital signal processing equipment. It is ideal for applications that require high performance, low power and reliable nonvolatile memory solutions.For example, the AT28BV256-20JC can be used in medical instrumentation for storing patient data. It can also be used in consumer electronics for storing video and image files. In addition, it can be used in digitally controlled toys and games.

Working Principle

The AT28BV256-20JC is an asynchronous Static Random Access Memory (SRAM). It is organized as 8k by 32 bits, with a total capacity of 256Kbits. The AT28BV256-20JC comes with a single 16-bit port and provides access to the stored data when the address and chip select pins are activated. The address pins can select whether the data will go to the upper or lower 16-bits of each 8k memory configuration. The AT28BV256-20JC operates in an asynchronous mode, where data can be written or read on the rising (or falling) edge of a chip select signal. It also provides fast read access times as low as 20ns and cycle times as low as 30ns. The AT28BV256-20JC also offers several low-power modes, including a low-power “sleep” mode where the device consumes only a few microamps of current. This makes the device ideal for battery-powered applications. In addition, the device comes with a number of features such as write protection, burst mode operation, programmable write protection and erase/write protection. These features provide increased security, reliability and performance.

Conclusion

The AT28BV256-20JC is an ideal solution for a wide range of applications that require reliable and low-power non-volatile memory solutions. Its low-power modes, fast read access times, and programmable features make it a great choice for applications requiring reliable and high performance memory solutions.

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