45DB021E

Product Overview

45DB021E is commonly associated with Adesto / Dialog / Renesas AT45DB021E, a 2 Mbit DataFlash® SPI serial NOR Flash memory device with extra 64 Kbits of memory. The device is designed for sequential-access data storage and supports SPI and RapidS serial interface operation. With 1.65V to 3.6V supply operation, up to 85MHz clock performance, page-based architecture and compact 8-pin package options, it is suitable for data logging, digital voice storage, image storage, firmware storage, program code, configuration data and embedded control boards.

Key Features

• Manufacturer: Adesto Technologies / Dialog Semiconductor / Renesas legacy

• Marking / Short Part Number: 45DB021E

• Full / Related Part Number: AT45DB021E

• Device Type: SPI serial NOR Flash memory / DataFlash® memory

• Product Category: Memory IC / serial Flash memory

• Memory Size: 2 Mbit plus extra 64 Kbits

• Memory Organization: 1,024 pages of 256 bytes or 264 bytes each

• Interface Type: SPI serial interface with RapidS support

• Clock Frequency: Up to 85MHz class

• Supply Voltage: 1.65V to 3.6V

• SRAM Buffer: One 256-byte / 264-byte SRAM buffer

• Page Program Feature: Page-based programming for data and code storage

• Temperature Range: Full industrial temperature range supported depending on ordering code

• Package Options: 8-lead SOIC, 8-pad UDFN, 8-ball WLCSP and die/wafer options depending on full ordering code

• Mounting Type: Surface mount for packaged versions

• Key Features: Low-voltage operation, DataFlash® page architecture, SPI / RapidS serial access, SRAM buffer, low-power modes and RoHS-compliant package options

• Typical Use: Data logging, digital voice storage, image storage, firmware storage, configuration memory and embedded systems

• Ordering / Packaging Note: 45DB021E is usually a shortened marking-style reference for AT45DB021E variants; buyers should verify the full ordering code, package suffix, voltage option, top marking, packing format and datasheet revision before production or repair use.

Applications

45DB021E can be used in electronic systems that require compact low-voltage serial Flash memory for data or code storage. Typical applications include data loggers, digital voice recorders, image storage modules, sensor modules, industrial control boards, consumer electronics, communication equipment, embedded controllers, configuration memory, maintenance projects and repair applications. It is also suitable for BOM review where a 2 Mbit DataFlash® SPI serial Flash memory device is required.

Quality & Sourcing

Antrex Electronics can support 45DB021E sourcing with stock availability checks, RFQ quotation, package confirmation, date code review and shipment arrangement. For project-based purchasing, buyers can provide quantity, target price, required date code, packaging requirements and application information for faster quotation support.

For quality control, Antrex Electronics can help arrange product photos, label review, visual inspection and third-party testing support when required. OEMs, EMS providers, repair centers and electronic component buyers are welcome to send BOM lists or hard-to-find part requests for sourcing assistance.