Datasheet > 存储 > EEPROM> 25AA512T-E/MF

25AA512T-E/MF

更新时间： 2024-09-18 04:25:35

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
32页	602K
描述
512 Kbit SPI Bus Serial EEPROM

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中文翻译

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25AA512T-E/MF 数据手册

25AA512/25LC512

512 Kbit SPI Bus Serial EEPROM

Device Selection Table

Part Number

VCC Range

Page Size

Temp. Ranges

Packages

25LC512

25AA512

2.5-5.5V

1.8-5.5V

128 Byte

I,E

P, SN, SM, MF

Features:

Description:

• 20 MHz max. Clock Speed

• Byte and Page-level Write Operations

- 128-byte page

The Microchip Technology Inc. 25AA512/25LC512

(25XX512^*) is a 512 Kbit serial EEPROM memory with

byte-level and page-level serial EEPROM functions. It

also features Page, Sector and Chip erase functions

typically associated with Flash-based products. These

functions are not required for byte or page write opera-

tions. The memory is accessed via a simple Serial

Peripheral Interface (SPI) compatible serial bus. The

bus signals required are a clock input (SCK) plus sepa-

rate data in (SI) and data out (SO) lines. Access to the

device is controlled by a Chip Select (CS) input.

- 5 ms max.

- No page or sector erase required

• Low-Power CMOS Technology

- Max. Write Current: 5 mA at 5.5V, 20 MHz

- Read Current: 10 mA at 5.5V, 20 MHz

- Standby Current: 1μA at 2.5V (Deep power-

down)

• Electronic Signature for Device ID

• Self-Timed Erase and Write cycles

- Page Erase (5 ms, typical)

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.

- Sector Erase (10 ms/sector, typical)

- Bulk Erase (10 ms, typical)

• Sector Write Protection (16K byte/sector)

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

The 25XX512 is available in standard packages includ-

ing 8-lead PDIP, SOIC, and advanced 8-lead DFN

package. All packages are Pb-free and RoHS

compliant.

• Built-In Write Protection

- Power-on/off data protection circuitry

- Write enable latch

- Write-protect pin

• High Reliability

- Endurance: 1 Million erase/write cycles

Package Types (not to scale)

• Temperature Ranges Supported;

DFN

PDIP/SOIC/SOIJ

(P, SN, SM)

- Industrial (I):

- Automotive (E):

-40°C to +85°C

-40°C to +125°C

(MF)

VCC

HOLD

SCK

• Pb-free and RoHS Compliant

VCC

HOLD

SCK

Pin Function Table

VSS

Name

Function

Chip Select Input

Serial Data Output

VSS

Write-Protect

Ground

Serial Data Input

Serial Clock Input

SCK

HOLD

VCC

Hold Input

Supply Voltage

*25XX512 is used in this document as a generic part number

for the 25AA512, 25LC512 devices.

Preliminary

DS22021B-page 1

12 3 4 5 6 7...32

中文翻译

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与25AA512T-E/MF相关器件

型号	品牌	获取价格	描述	数据表
25AA512T-E/P	MICROCHIP	获取价格	512 Kbit SPI Bus Serial EEPROM
25AA512T-E/SN	MICROCHIP	获取价格	512 Kbit SPI Bus Serial EEPROM
25AA512T-I/MF	MICROCHIP	获取价格	512 Kbit SPI Bus Serial EEPROM
25AA512T-I/P	MICROCHIP	获取价格	512 Kbit SPI Bus Serial EEPROM
25AA512T-I/SM	MICROCHIP	获取价格	512 Kbit SPI Bus Serial EEPROM
25AA512T-I/SN	MICROCHIP	获取价格	512 Kbit SPI Bus Serial EEPROM
25AA512T-I/SN16KVAO	MICROCHIP	获取价格	EEPROM, 512KX1, Serial, CMOS, PDSO8
25AA640	MICROCHIP	获取价格	64K SPI Bus Serial EEPROM
25AA640/25LC640	ETC	获取价格	25AA640/25LC640
25AA640/P	MICROCHIP	获取价格	8K X 8 SPI BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8

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