Datasheet > AT45D02-RC

AT45D02-RC

更新时间： 2024-11-29 23:32:43

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其他 - ETC		/
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数据手册

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AT45D02-RC 数据手册

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 Time – 7 ms Typical

• 80 µs Typical Page to Buffer Transfer Time

• Low Power Dissipation

2-Megabit

5-volt Only

Serial

DataFlash^®

– 15 mA Active Read Current Typical

– 15 µA CMOS Standby Current Typical

• 10 MHz Max Clock Frequency

• 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

AT45D021

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 264-

bytes each. In addition to the main memory, the AT45D021 also contains two data

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

(continued)

Pin Configurations

PLCC

Pin Name

Function

Chip Select

Serial Clock

Serial Input

Serial Output

SCK

29 WP

SCK

28 RESET

27 RDY/BUSY

26 NC

25 NC

NC 10

NC 11

NC 12

NC 13

24 NC

23 NC

Harware Page Write

Protect Pin

22 NC

21 NC

RESET

Chip Reset

Ready/Busy

RDY/BUSY

Note: PLCC package pins 16 and 17

are DON’T CONNECT.

TSOP Top View

Type 1

SOIC

GND

SCK

VCC

RDY/BUSY

RESET

RDY/BUSY

VCC

GND

SCK

Rev. 0869B–10/98

12 3 4 5 6 7...20

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