Nand protocol . This document details the design example of a NAND flash memory interface. The different types and generations of NAND Flash devices use a multiplexed address and data bus. The formation of ONFI was announced at the Intel Developer Forum in March 2006. Macronix’s NAND strategy focuses on the lower density SLC NAND to assure its customers a stable supply. In this article, we focus on the electrical interface of different types of NAND Flash devices and how this impacts device selection and design. [2] It covers data reliability and methods for overcoming common interface design challenges, focusing on the actual hardware and software components necessary to enable designers to build complete and functional subsystems. NAND flash is economical and dense compared to the alternative NOR flash. The Open NAND Flash Interface Working Group (ONFI or ONFi[1] with a lower case "i") is a consortium of technology companies working to develop open standards for NAND flash memory and devices that communicate with them. Embedded systems have traditionally utilized NOR Flash for nonvolatile memory. In this article, we focus on the electrical interface of different types of NAND Flash devices and how this impacts device selection and design. In the following sections each advantage and disadvantage is described in more details. The initial (legacy) NAND Flash devices were asynchronous devices. In the past 20 years, ONFI and Toggle NAND flash interfaces have flourished and been recognized as the industry standard for developing NAND flash applications. NAND flash memories are used extensively in solid state drives (SSD) and portable consumer products, such as smart phones, GPS, digital cameras, and MP3 players. As of 2021, the latest releases from both standards have taken NAND flash performances up to more than ten times the conventional Legacy capabilities while enabling higher module This specification defines a standardized NAND Flash device interface that provides the means for a system to be designed that supports a range of NAND Flash devices without direct design pre-association. ewzacraqewgrxgeiwnaxgvznzretxdmqziwzajwwshjbsgk