Datasheet > 存储 > EEPROM> 25AA320I/P

25AA320I/P

更新时间： 2024-11-26 22:38:27

品牌	Logo	应用领域
美国微芯 - MICROCHIP		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
24页	369K
描述
32K SPI Bus Serial EEPROM

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中文翻译

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25AA320I/P 数据手册

25AA320/25LC320/25C320

32K SPI^™Bus Serial EEPROM

Device Selection Table

Description:

The Microchip Technology Inc. 25AA320/25LC320/

Part

Number

VCC

Range

Max. Clock

Frequency

Temp.

Ranges

25C320 (25XX320^*) are 32 Kbit serial Electrically

Erasable PROMs. The memory is accessed via a

simple Serial Peripheral Interface (SPI™) compatible

serial bus. The bus signals required are a clock input

(SCK) plus separate data in (SI) and data out (SO)

lines. Access to the device is controlled through a Chip

Select (CS) input.

25AA320

25LC320

25C320

1.8-5.5V

2.5-5.5V

4.5-5.5V

1 MHz

2 MHz

3 MHz

I,E

Features:

Communication to the device can be paused via the

hold pin (HOLD). While the device is paused,

transitions on its inputs will be ignored, with the

exception of Chip Select, allowing the host to service

higher priority interrupts.

• Low-power CMOS technology:

- Write current: 3 mA maximum

- Read current: 500 µA typical

- Standby current: 500 nA typical

• 4096 x 8 bit organization

• 32 byte page

Block Diagram

Status

• Write cycle time: 5 ms maximum

• Self-timed erase and write cycles

• Block write protection:

HV Generator

- Protect none, 1/4, 1/2 or all of array

• Built-in write protection:

EEPROM

Memory

- Power on/off data protection circuitry

- Write enable latch

I/O Control

Logic

Array

Control

Logic

XDEC

- Write-protect pin

Page

Latches

• Sequential read

• High reliability:

- Endurance: 1M E/W cycles

- Data retention: > 200 years

- ESD protection: > 4000V

• 8-pin PDIP, SOIC and TSSOP packages

• 14-lead TSSOP package

• Temperature ranges supported:

Y Decoder

SCK

Sense Amp.

R/W Control

HOLD

- Industrial (I):

-40°C to +85°C

VCC

VSS

- Automotive (E):

-40°C to +125°C

Package Types

PDIP, SOIC

TSSOP

VCC

HOLD

VCC

SCK

HOLD

VSS

HOLD

SCK

VSS

SCK

VSS

*25XX320 is used in this document as a generic part number for the 25AA320/25LC320/25C320 devices.

 2004 Microchip Technology Inc.

DS21227E-page 1

12 3 4 5 6 7...24

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与25AA320I/P相关器件

型号	品牌	获取价格	描述	数据表
25AA320-I/P	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320-I/PG	MICROCHIP	获取价格	4K X 8 SPI BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8
25AA320I/SN	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320-I/SN	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320-I/SNB21G	MICROCHIP	获取价格	4K X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, SOIC-8
25AA320I/ST	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320-I/ST	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320I/ST14	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320-I/ST14	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320-I/STG	MICROCHIP	获取价格	4K X 8 SPI BUS SERIAL EEPROM, PDSO8, 4.40 MM, PLASTIC, TSSOP-8

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