GD25Q16CEIGR

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As embedded systems become increasingly complex, reliable embedded memory solutions are essential for satisfying the growing demand for innovative applications. GD25Q16CEIGR is a non-volatile-memory integrated circuit used to store data in embedded systems. This article offers a detailed overview of its application field, working principle and features.

Application Field

The GD25Q16CEIGR is primarily designed as embedded memory to be used in industrial, consumer, and communications applications. In particular, it is used in cameras, digital video systems, WLANs, HDDs, DVD/Blu-Ray players, and other communication systems.

In addition, the GD25Q16CEIGR is used as a storage device for code, such as code for running firmware applications and reading and writing data. For instance, it is used in GPS receivers to store satellite data for offline analyses. Moreover, it is used in smart cards for handling encryption information.

Working Principle

The GD25Q16CEIGR is a basic non-volatile-memory product based on the SPI-bus protocol. It is composed of two blocks: flash memory and control logic. In addition to the standard SPI-bus protocol, the control logic provides functions including block lock protection, erase/program/read, automatic address/data multiplexing and other functions. The GD25Q16CEIGR supports up to three block address ranges and is compliant with JEDEC standards.

In terms of its data transmission structure, the GD25Q16CEIGR is based on the serial-data input/output SPI-bus protocol. It supports the transmission of commands, addresses, and data. The clock rate supports up to 66MHz.Moreover, the GD25Q16CEIGR’s maximum cache time is 25µs.

Features

The GD25Q16CEIGR is characterized by a wide operational voltage range of 1.7V to 3.6V, a low operating current of 1.8mA (maximum), a chip erase time of 0.6s, and a 4K block erase time of 4s. Moreover, the maximum write/erase cycles are 10,000.

The GD25Q16CEIGR also offers an extensive temperature range of -40°C to +85°C, making it suitable for automotive systems or other high-temperature applications. Furthermore, it is built with advanced CMOS technology that ensures both low power consumption and high-speed operation. In addition, an erase/program suspend/resume feature supports applications such as multi-tasking.

The GD25Q16CEIGR also boasts a high storage capacity. It is available in 16Mb (2MB) and 32Mb (4MB) flash density packages. Additionally, it features a write enable for the protection of stored data and offers 8-bit/16-bit/32-bit/64-bit device identification codes. Finally, a special pad option is available with 4-bit data input/output.

In summary, the GD25Q16CEIGR is a highly reliable non-volatile-memory device that can be used in a wide range of embedded applications. It offers standard SPI-bus interface and a wide range of features, such as a wide operating voltage range, low operating current, and high storage capacity. Its advanced CMOS technology ensures both low power consumption and high-speed operation, and an erase/program suspend/resume feature supports applications such as multi-tasking.

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