| Allicdata Part #: | AT45DB021B-SU-ND |
| Manufacturer Part#: |
AT45DB021B-SU |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC FLASH 2M SPI 20MHZ 8SOIC |
| More Detail: | FLASH Memory IC 2Mb (264 Bytes x 1024 pages) SPI 2... |
| DataSheet: |  AT45DB021B-SU Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Obsolete |
| Memory Type: | Non-Volatile |
| Memory Format: | FLASH |
| Technology: | FLASH |
| Memory Size: | 2Mb (264 Bytes x 1024 pages) |
| Clock Frequency: | 20MHz |
| Write Cycle Time - Word, Page: | 14ms |
| Memory Interface: | SPI |
| Voltage - Supply: | 2.7 V ~ 3.6 V |
| Operating Temperature: | -40°C ~ 85°C (TC) |
| Mounting Type: | Surface Mount |
| Package / Case: | 8-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package: | 8-SOIC |
| Base Part Number: | AT45DB021 |
Description
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Memory is a key component of today’s computers, and AT45DB021B-SU is a successful memory of the latest technology. It is used in many areas including storing data in machines, medical standing, telecommunications, military electronic and so on. AT45DB021B-SU has characteristics of high quality and reliable service, which make it popular among users.
Application field
AT45DB021B-SU can be used as EEPROM as well as a Flash Memory. In the application field, AT45DB021B-SU can store large amounts of data and is ideal for applications requiring memory within small packages. AT45DB021B-SU can also store large amounts of data in extremely small packages, which can be particularly beneficial in medical standing and telecommunications.AT45DB021B-SU is also ideal for military electronic applications because it is able to withstand harsh conditions. Its high temperature tolerance, low power consumption and low voltage requirement make it an ideal choice for military applications.Working Principle
AT45DB021B-SU is a non-volatile memory device. It provides an electrically write-able and erasable storage for data retention. It does not need a power source to initiate a program or store data.The AT45DB021B-SU utilizes its own integrated circuit, or system on chip, to control the data read from or written to its memory cells. This circuit is responsible for the exchange of information between the memory cells and the system. The data is stored in the NAND Flash cell array, which is a type of reduced instruction set computer.Each NAND Flash cell contains a programmable memory the stored data can be erased and then re-programmed. The NAND Flash is able to support a variety of address cycles, including the row-column address cycle. The row-column address cycle is a powerful read function that can be extended to four bytes.The AT45DB021B-SU memory devices are designed to operate at high data transfer speeds and are capable of up to 55 MHz operation. The data transmissions can be controlled with the four-wire read/write commands. The AT45DB021B-SU device utilizes several levels of protection circuitry, such as header and CRC protection, built into the device.Conclusion
AT45DB021B-SU is a reliable and powerful memory device that is used broadly in many application fields from medical standings to military electronics. It uses NAND Flash memory architecture with its own integrated circuit for control and operation. It also offers different levels of protection for the data stored including header, CRC protection, and many others. AT45DB021B-SUmemory devices have the capability of running up to 55MHz complemented with four-wire read/write command capabilities. This reliable, high-speed memory device is ideal for applications using memory elements with very small packages.The specific data is subject to PDF, and the above content is for reference
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