AT45DB021 Overview
The AT45DB021 is a 2.7-volt only, serial interface Flash memory suitable for in-system reprogramming. Its 2,162,688 bits of memory are organized as 1024 pages of 264-bytes each. In addition to the main memory, the AT45DB021 also contains two SRAM data buffers of 264-bytes each.
AT45DB021 Key Features
- Single 2.7V
- 3.6V Supply
- Serial Interface Architecture
- Page Program Operation
- Single Cycle Reprogram (Erase and Program)
- 1024 Pages (264 Bytes/Page) Main Memory Two 264-Byte SRAM Data Buffers
- Allows Receiving of Data while Reprogramming of Non-Volatile Memory Internal Program and Control Timer Fast Page Program
- 7 ms Typical 120 µs Typical Page to Buffer Transfer Time Low Power Dissipation
- 4 mA Active Read Current Typical
- 5 µA CMOS Standby Current Typical 5 MHz Max Clock Frequency Hardware Data Protection Feature Serial Peripheral Interface
