器件名称: AT45DB321B
功能描述: 32-megabit 2.7-volt Only DataFlash
文件大小: 230.2KB 共32页
简 介:Features
Single 2.7V - 3.6V Supply Serial Peripheral Interface (SPI) Compatible 20 MHz Max Clock Frequency Page Program Operation – Single Cycle Reprogram (Erase and Program) – 8192 Pages (528 Bytes/Page) Main Memory Supports Page and Block Erase Operations Two 528-byte SRAM Data Buffers – Allows Receiving of Data while Reprogramming of Nonvolatile Memory Continuous Read Capability through Entire Array – Ideal for Code Shadowing Applications Low Power Dissipation – 4 mA Active Read Current Typical – 2 A CMOS Standby Current Typical Hardware Data Protection Feature 100% Compatible to AT45DB321 5.0V-tolerant Inputs: SI, SCK, CS, RESET and WP Pins Commercial and Industrial Temperature Ranges
32-megabit 2.7-volt Only DataFlash AT45DB321B
Description
The AT45DB321B is a 2.7-volt only, serial interface Flash memory ideally suited for a wide variety of digital voice-, image-, program code- and data-storage applications. Its 34,603,008 bits of memory are organized as 8192 pages of 528 bytes each. In addition to the main memor y, the AT45DB321B also contains two SRAM data buffers of 528 bytes each. The buffers allow receiving of data while a page in the main memory is being reprogrammed, as well as reading or writing a continuous data
Pin Configurations
Pin Name CS SCK SI SO WP RESET RDY/BUSY Function Chip Select Serial Clock Serial Input Serial Output Hardware Page Write Protect Pin Chip Reset Ready/Busy
A
NC NC NC NC NC NC NC NC NC NC NC NC
CBGA Top View through Pack……
