AT45D021 Overview
The AT45D021 is a 5-volt only, serial interface Flash memory suitable for in-system reprogramming. Its 2,162,688 bits of memory are organized as 1024 pages of 264bytes each. In addition to the main memory, the AT45D021 also contains two data SRAM buffers of 264-bytes each.
AT45D021 Key Features
- Single 4.5V
- 5.5V 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 Nonvolatile Memory Internal Program and Control Timer Fast Page Program
- 7 ms Typical 80 µs Typical Page to Buffer Transfer Time Low Power Dissipation
- 15 mA Active Read Current Typical
- 15 µA CMOS Standby Current Typical 10 MHz Max Clock Frequency Hardware Data Protection Feature Serial Peripheral Interfa