Datasheet > 25AA320T-I/ST14

25AA320T-I/ST14

更新时间： 2024-11-24 06:22:55

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	377K
描述
32K SPI Bus Serial EEPROM

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中文翻译

获取价格

数据手册

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25AA320T-I/ST14 数据手册

Not recommended for new designs –

Please use 25AA320A or 25LC320A.

25AA320/25LC320/25C320

32K SPI Bus Serial EEPROM

Description:

Device Selection Table

Part

Number

VCC

Range

Max. Clock

Frequency

Temp.

Ranges

The Microchip Technology Inc. 25AA320/25LC320/

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

• Write Cycle Time: 5 ms Maximum

• Self-Timed Erase and Write Cycles

• Block Write Protection:

STATUS

HV Generator

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

• Built-in Write Protection:

- Power on/off data protection circuitry

- Write enable latch

EEPROM

Memory

I/O Control

Logic

Array

Control

Logic

XDEC

- Write-protect pin

• Sequential Read

Page

Latches

• 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

SCK

VSS

SCK

VSS

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

DS21227F-page 1

12 3 4 5 6 7...26

中文翻译

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与25AA320T-I/ST14相关器件

型号	品牌	获取价格	描述	数据表
25AA320T-I/STG	MICROCHIP	获取价格	4K X 8 SPI BUS SERIAL EEPROM, PDSO8, 4.40 MM, PLASTIC, TSSOP-8
25AA320X	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320X-E/P	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320X-E/SN	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320XE/ST	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320X-E/ST	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320XE/ST14	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320X-E/ST14	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320X-I/P	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM
25AA320X-I/SN	MICROCHIP	获取价格	32K SPI Bus Serial EEPROM

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