AT27BV512-15JC

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	EPROM
Technology:	EPROM - OTP
Memory Size:	512Kb (64K x 8)
Write Cycle Time - Word, Page:	--
Access Time:	150ns
Memory Interface:	Parallel
Voltage - Supply:	2.7 V ~ 3.6 V, 4.5 V ~ 5.5 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:	AT27BV512

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Introduction

AT27BV512-15JC is a low-cost, static random access memory (SRAM) chip intended primarily for use in automotive and industrial applications. Over the past two decades, SRAMs have become one of the most important and widely used memory types, employed in systems ranging from small, embedded microcontrollers up to large mainframes and supercomputers. They provide fast, easy access to stored data with no latency.

SRAM Overview

SRAM is a type of volatile memory, meaning data stored in the memory chips is lost when power is removed. It is a form of fast, temporary memory and is typically used for the CPU\'s working memory, which requires extremely quick data access for operations like calculating sums, moving data between registers and accessing instructions. SRAM is generally considered to be simpler and cheaper than dynamic RAM (DRAM), which requires more chip components and ongoing refresh cycles to maintain its data integrity.SRAM differs from other types of memory in that it does not require a physical refresh process to maintain data integrity. Instead, data stored in an SRAM chip is continuously accessible and retains its state until the power is removed or a new value is written to the cell.

AT27BV512-15JC Application

The AT27BV512-15JC is an 8-bit SRAM chip with 512K words of storage capacity. It is intended for use in a wide range of industrial and automotive applications, including motor and drive control, process control, and instrumentation. It is also suited for use in medical and consumer electronics applications.The AT27BV512-15JC is designed to operate over a temperature range of -40 to +85 degrees Celsius, making it an ideal choice for harsh environments. The chip supports multiple data security features, including built-in ECC and a power-on-reset function, which ensures reliable operation in the most time-sensitive applications. In addition, the chip is designed for use with low-voltage power supplies and is available in a lead-free RoHS-compliant (Regulations on Hazardous Substances) package, making it an ideal choice for a variety of industrial and consumer embedded electronic applications.

AT27BV512-15JC Working Principle

The AT27BV512-15JC uses a CMOS process and is designed on a single chip with 512K words of storage capacity. Each word is 8 bits in length and can store 256 unique values, which can range from 0 to 255.The chip employs a static design, so it does not require refreshing. It supports data rates up to 10MHz and is designed to operate over a temperature range of -40°C to +85°C.The AT27BV512-15JC has two modes of operation: an asynchronous mode and a synchronous mode. In asynchronous mode, the chip can access data without the need for a clock signal, which can help save power in certain application designs. In synchronous mode, the chip requires a clock signal to access data, which can provide faster performance.

Conclusion

In conclusion, the AT27BV512-15JC is a low-cost, static random access memory (SRAM) chip designed for use in a variety of industrial and automotive applications. It is designed to operate over a temperature range of -40 to +85 degrees Celsius and uses a CMOS process with 512K words of storage capacity. The chip supports multiple data security features and is available in a lead-free RoHS-compliant package. It supports data rates up to 10MHz and has two modes of operation, asynchronous and synchronous, depending on the user\'s particular application requirements.

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