Datasheet > 25AA320AT-E/MSG

25AA320AT-E/MSG

更新时间： 2024-11-25 08:20:35

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
26页	366K
描述
IC,SERIAL EEPROM,4KX8,CMOS,TSSOP,8PIN,PLASTIC

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25AA320AT-E/MSG 数据手册

25AA320A/25LC320A

32K SPI^™Bus Serial EEPROM

Device Selection Table

Part Number

VCC Range

Page Size

Temp. Ranges

Packages

25LC320A

25AA320A

2.5-5.5V

1.8-5.5V

32 Byte

I,E

P, SN, ST, MS

Features

Description

• Max. clock 10 MHz

The Microchip Technology Inc. 25AA320A/25LC320A

(25XX320A^*) are 32k-bit 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.

• Low-power CMOS technology

- Max. Write Current: 5 mA at 5.5V, 10 MHz

- Read Current: 5 mA at 5.5V, 10 MHz

- Standby Current: 5 µA at 5.5V

• 4096 x 8-bit organization

• 32 byte page

• Self-timed ERASE and WRITE cycles (5 ms

max.)

Communication to the device can be paused via the

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

tions on its inputs will be ignored, with the exception of

Chip Select, allowing the host to service higher priority

interrupts.

• Block write protection

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

• Built-in write protection

The 25XX320A is available in standard packages

including 8-lead PDIP and SOIC, and advanced

packaging including 8-lead MSOP, and 8-lead TSSOP.

Pb-free (Pure Matte Sn) finish is also available.

- Power-on/off data protection circuitry

- Write enable latch

- Write-protect pin

• Sequential read

• High reliability

Package Types (not to scale)

- Endurance: 1,000,000 erase/write cycles

- Data retention: > 200 years

- ESD protection: > 4000V

• Temperature ranges supported;

TSSOP/MSOP

(ST, MS)

PDIP/SOIC

(P, SN)

VCC

HOLD

SCK

HOLD

SCK

- Industrial (I):

- Automotive (E):

-40°C to +85°C

-40°C to +125°C

VSS

• Standard and Pb-free packages available

Pin Function Table

X-Rotated TSSOP

(X/ST)

Name

Function

Chip Select Input

HOLD

SCK

VSS

VCC

Serial Data Output

Write-Protect

Ground

VSS

Serial Data Input

Serial Clock Input

Hold Input

SCK

HOLD

VCC

SPI is a registered trademark of Motorola Corporation.

*25XX320A is used in this document as a generic part number

for the 25AA320A, 25LC320A devices.

Supply Voltage

 2003 Microchip Technology Inc.

Preliminary

DS21828B-page 1

12 3 4 5 6 7...26

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与25AA320AT-E/MSG相关器件

型号	品牌	获取价格	描述	数据表
25AA320AT-E/P	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320AT-E/SN	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320AT-E/ST	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320AT-E/STG	MICROCHIP	获取价格	IC,SERIAL EEPROM,4KX8,CMOS,TSSOP,8PIN,PLASTIC
25AA320AT-I/MNY	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320AT-I/MS	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320AT-I/MSG	MICROCHIP	获取价格	IC,SERIAL EEPROM,4KX8,CMOS,TSSOP,8PIN,PLASTIC
25AA320AT-I/P	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320AT-I/SN	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320AT-I/ST	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM

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