Datasheet > 存储 > EEPROM> 25AA512T-I/P

25AA512T-I/P

更新时间： 2024-11-27 06:24:59

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
36页	646K
描述
512 Kbit SPI Bus Serial EEPROM

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中文翻译

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25AA512T-I/P 数据手册

25AA512

512 Kbit SPI Bus Serial EEPROM

Device Selection Table

Part Number

VCC Range

Page Size

Temp. Ranges

Packages

25AA512

1.8-5.5V

128 Byte

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 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 operations. 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 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: 1A 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 25AA512 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:

Package Types (not to scale)

- Endurance: 1 Million erase/write cycles

- Data Retention: >200 years

- ESD Protection: 4000V

DFN

PDIP/SOIC/SOIJ

(P, SN, SM)

(MF)

• Temperature Ranges Supported:

- Industrial (I): -40°C to +85°C

• Pb-free and RoHS Compliant

VCC

HOLD

SCK

VCC

HOLD

SCK

VSS

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

 2010 Microchip Technology Inc.

DS22021F-page 1

12 3 4 5 6 7...36

中文翻译

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与25AA512T-I/P相关器件

型号	品牌	获取价格	描述	数据表
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
25AA640/SN	MICROCHIP	获取价格	8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, SOIC-8
25AA640/SNG	MICROCHIP	获取价格	8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, SOIC-8
25AA640/ST	MICROCHIP	获取价格	8K X 8 SPI BUS SERIAL EEPROM, PDSO8, TSSOP-8
25AA640/STG	MICROCHIP	获取价格	8K X 8 SPI BUS SERIAL EEPROM, PDSO8, TSSOP-8

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