Datasheet > 存储 > 闪存> AT45D081-RI

AT45D081-RI

更新时间： 2024-11-29 22:29:03

品牌	Logo	应用领域
爱特美尔 - ATMEL		闪存
页数	文件大小	规格书
16页	118K
描述
8-Megabit 5-volt Only Serial DataFlash

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数据手册

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AT45D081-RI 数据手册

AT45D081

Features

• Single 4.5V - 5.5V Supply

• Serial Interface Architecture

• Page Program Operation

– Single Cycle Reprogram (Erase and Program)

– 4096 Pages (264 Bytes/Page) Main Memory

• Two 264-Byte Data Buffers – Allows Receiving of Data while Reprogramming of

Non-Volatile Memory

• Internal Program and Control Timer

• Fast Page Program Time – 7 ms Typical

• 80 µs Typical Page to Buffer Transfer Time

• Low Power Dissipation

– 15 mA Active Read Current Typical

– 10 µA CMOS Standby Current Typical

• 10 MHz Max Clock Frequency

8-Megabit

5-volt Only

Serial

DataFlash^™

• Hardware Data Protection Feature

• Serial Peripheral Interface (SPI) Compatible – Modes 0 and 3

• CMOS and TTL Compatible Inputs and Outputs

• Commercial and Industrial Temperature Ranges

Description

AT45D081

The AT45D081 is a 5-volt only, serial interface Flash memory suitable for in-system

reprogramming. Its 8,650,752 bits of memory are organized as 4096 pages of 264-

bytes each. In addition to the main memory, the AT45D081 also contains two data

buffers of 264-bytes each. The buffers allow receiving of data while a page in the main

memory is being reprogrammed. Unlike conventional Flash memories that are

accessed randomly with multiple address lines and a parallel interface, the DataFlash

uses a serial interface to sequentially access its data. The simple serial interface facil-

itates hardware layout, increases system reliability, minimizes switching noise, and

(continued)

Pin Configurations

Pin Name

Function

Chip Select

Serial Clock

Serial Input

Serial Output

SCK

Hardware Page Write

Protect Pin

RESET

Chip Reset

Ready/Busy

TSOP Top View

Type 1

RDY/BUSY

RESET

SOIC

GND

SCK

VCC

GND

RESET

RDY/BUSY

0871A-A–6/97

SCK

12 3 4 5 6 7...16

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