N25Q256A11EF840F TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH - NOR
Memory Size:	256Mb (64M x 4)
Clock Frequency:	108MHz
Write Cycle Time - Word, Page:	8ms, 5ms
Memory Interface:	SPI
Voltage - Supply:	1.7 V ~ 2 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-VDFN Exposed Pad
Supplier Device Package:	8-VDFPN (MLP8) (8x6)
Base Part Number:	N25Q256A11

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Introduction

The N25Q256A11EF840F TR is a type of serial non-volatile memory module, specially designed for embedded systems. It is a product of the N25Q family, introduced by Micron Technology, and is a high-capacity, low-power memory module. The N25Q256A11EF840F TR device provides 8GB of storage and supports read, program and erase (RPE) operations. It is one of the most popular non-volatile memory modules out in the embedded system market.

Application Field

The N25Q256A11EF840F TR is primarily intended for use in embedded systems. It offers high-capacity, low-power performance for systems requiring high levels of data protection. Additionally, it is designed for applications that require long-term data retention and secure data storage. Applications of the N25Q256A11EF840F TR can be found in a variety of embedded systems, including consumer, industrial and automotive applications. Examples of such applications include, but are not limited to, data storage, communication systems, navigation systems and audio/video system.

Features

The N25Q256A11EF840F TR is a serial non-volatile memory module that offers 8GB of storage, with a read speed up to 166MT/s and a program speed up to 99MT/s. It supports up to 100,000 program/erase cycles and provides superior reliability through the Global ECC feature. The integrated on-chip Redundancy Array and Error Correction Code ensure that data is secure, even in the event of a single-bit failure. Additionally, the N25Q256A11EF840F TR is equipped with a Dual-Bank feature which allows concurrent read and program operations to speed up system performance. Furthermore, it features a flexible block structure which gives flexibility to program and erase operations. It is also supported with multiple standard serial bus interfaces, including SPI, HyperBus, QPI, and Octal Bus. These features make it an ideal choice for embedded systems.

Working Principle

The N25Q256A11EF840F TR features a serial-type memory architecture. It is organized as 8 banks, with each bank consisting of a block of 8KB of storage. The device supports page read, program and erase operations. In a page read operation, up to 256 bytes of data can be read from a single page on the device. For program and erase operations, the device supports a blocks of 256 bytes, 2KB, 4KB or 8KB. To initiate a program or erase operation, the device must first be activated. This is achieved by writing the desired parameters (such as address, data size and status) to the device\'s Program Register. Once the Program Register has been written, the device will then begin the programming or erasing process. Depending on the type of program/erase operation being performed, the process can take up to 150ms to complete.The N25Q256A11EF840F TR also features Error Correction Code (ECC) and Redundancy Array (RA) mechanisms that provides superior reliability and data security. The RA and ECC features allows the device to detect, correct and prevent errors which may occur due to data corruption or memory cell wear. Additionally, the N25Q256A11EF840F TR supports multiple industry-standard serial bus interfaces, such as SPI, HyperBus, QPI and Octal Bus, making it easy to integrate into embedded systems applications.

Conclusion

The N25Q256A11EF840F TR is an ideal choice for embedded systems, providing 8GB of storage and robust features such as RPE, ECC and RA mechanisms. Additionally, it supports multiple industry-standard serial bus interfaces, making it easy to integrate into existing embedded systems. When compared to other non-volatile memory modules on the market, the N25Q256A11EF840F TR offers superior reliability and data security.

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