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AT45DB321C-RU

更新时间： 2024-02-15 05:29:51

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
40页	604K
描述
32-megabit 2.7 volt DataFlash

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中文翻译

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数据手册
替代型号

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AT45DB321C-RU 数据手册

Features

• Single 2.7 - 3.6V Supply

• RapidS^™Serial Interface: 40 MHz Maximum Clock Frequency

(SPI Modes 0 and 3 Compatible for Frequencies Up to 33 MHz)

• Page Program

– 8192 Pages (528 Bytes/Page)

• Automated Erase Operations

– Page Erase 528 Bytes

– Block Erase 4,224 Bytes

32-megabit

2.7 volt

• Two 528-byte SRAM Data Buffers – Allows Receiving of Data

while Reprogramming the Flash Array

• Continuous Read Capability through Entire Array

– Ideal for Code Shadowing Applications

• Low-power Dissipation

DataFlash^®

– 10 mA Active Read Current Typical

– 6 µA Standby Current Typical

AT45DB321C

• Hardware and Software Data Protection Features

– Individual Sector Locking

• Security: 128-byte Security Register

– 64-byte User Programmable Space

– Unique 64-byte Device Identifier

• JEDEC Standard Manufacturer and Device ID Read

• 100,000 Program/Erase Cycles per Page Minimum

• Data Retention – 20 years

• Commercial and Industrial Temperature Ranges

• Green (Pb/Halide-free/RoHS Compliant) Packaging Options

1. Description

The AT45DB321C is an SPI compatible, serial-interface Flash memory ideally suited

for a wide variety of digital voice-, image-, program code- and data-

storage applications. The AT45DB321C supports a 4-wire serial interface known as

RapidS for applications requiring very high speed operations.

Its 34,603,008 bits of memory are organized as 8192 pages of 528 bytes each. In

addition to the 33-megabit main memory, the AT45DB321C also contains two SRAM

buffers of 528 bytes each.

The buffers allow the receiving of data while a page in the main page Memory is being

reprogrammed, as well as writing a continuous data stream. EEPROM emulation (bit

or byte alterability) is easily handled with a self-contained three step read-modify-write

operation. Unlike conventional Flash memories that are accessed randomly with mul-

tiple address lines and a parallel interface, the DataFlash uses a RapidS serial

interface to sequentially access its data. The simple sequential access dramatically

reduces active pin count, facilitates hardware layout, increases system reliability, min-

imizes switching noise, and reduces package size. The device is optimized for use in

many commercial and industrial applications where high-density, low-pin count, low-

voltage and low-power are essential. The device operates at clock frequencies up to

40 MHz with a typical active read current consumption of 10 mA.

3387L–DFLASH–6/06

12 3 4 5 6 7...40

中文翻译

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AT45DB321C-RU 替代型号

型号	品牌	替代类型	描述	数据表
AT45DB321C-TU	ATMEL	类似代替	32 MEGABIT 2.7 VOLT DATAFLASH
AT45DB321B-RI	ATMEL	类似代替	32-megabit 2.7-volt Only DataFlash
AT45DB321C-RC	ATMEL	类似代替	32 MEGABIT 2.7 VOLT DATAFLASH

与AT45DB321C-RU相关器件

型号	品牌	获取价格	描述	数据表
AT45DB321C-TC	ATMEL	获取价格	32 MEGABIT 2.7 VOLT DATAFLASH
AT45DB321C-TI	ATMEL	获取价格	32 MEGABIT 2.7 VOLT DATAFLASH
AT45DB321C-TL	ATMEL	获取价格	Flash, 32MX1, PDSO28, 8 X 13.40 MM, PLASTIC, MO-183, TSOP1-28
AT45DB321C-TU	ATMEL	获取价格	32 MEGABIT 2.7 VOLT DATAFLASH
AT45DB321D	ATMEL	获取价格	2.7V 32Mbit dataflash
AT45DB321D_07	ATMEL	获取价格	32-megabit 2.7-volt DataFlash
AT45DB321D_08	ATMEL	获取价格	32-megabit 2.7-volt DataFlash
AT45DB321D_09	ATMEL	获取价格	32-megabit 2.7-volt DataFlash
AT45DB321D_12	ADI	获取价格	32Mb, 2.5V or 2.7V DataFlash
AT45DB321D-CNU	ATMEL	获取价格	32-megabit 2.7-volt DataFlash

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