Datasheet > 存储 > EEPROM> 25LC020A

25LC020A

更新时间： 2024-11-04 02:56:03

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
28页	467K
描述
2K SPI Bus Serial EEPROM

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中文翻译

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数据手册

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25LC020A 数据手册

25AA020A/25LC020A

2K SPI Bus Serial EEPROM

Device Selection Table

Part Number

VCC Range

Page Size

Temp. Ranges

Packages

25AA020A

25LC020A

1.8-5.5V

2.5-5.5V

16 Bytes

P, MS, SN, ST, MC, OT

I, E

Features:

Description:

• 10 MHz max. clock frequency

• 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

• 256 x 8-bit organization

The Microchip Technology Inc. 25XX020A* is a 2 Kbit

Serial Electrically Erasable Programmable Read-Only

Memory (EEPROM). 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.

• Write Page mode (up to 16 bytes)

• Sequential Read

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.

• Self-timed Erase and Write cycles (5 ms max.)

• Block Write protection:

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

• Built-in Write protection:

The 25XX020A is available in standard packages

including 8-lead PDIP and SOIC, and advanced

packages including 8-lead MSOP, 8-lead TSSOP and

rotated TSSOP, 8-lead 2x3 DFN, and 6-lead SOT-23.

- Power-on/off data protection circuitry

- Write enable latch

- Write-protect pin

• High reliability:

Package Types (not to scale)

- Endurance: 1,000,000 Erase/Write cycles

- Data retention: > 200 years

- ESD protection: > 4000V

PDIP/SOIC

TSSOP/MSOP

(P, SN)

(ST, MS)

VCC

• Temperature ranges supported:

- Industrial (I):

- Automotive (E):

HOLD

SCK

HOLD

SCK

-40°C to +85°C

-40°C to +125°C

VSS

• Pb-Free packages available

DFN

(MC)

SOT-23

(OT)

Pin Function Table

SCK

Name

Function

Chip Select Input

HOLD

SCK

VSS

Serial Data Output

Write-Protect

Ground

X-Rotated TSSOP

VSS

(X/ST)

Serial Data Input

Serial Clock Input

Hold Input

HOLD

SCK

VSS

VCC

SCK

HOLD

VCC

Supply Voltage

*25XX020A is used in this document as a generic part number for the

25AA020A and the 25LC020A.

Preliminary

DS21833C-page 1

12 3 4 5 6 7...28

中文翻译

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与25LC020A相关器件

型号	品牌	获取价格	描述	数据表
25LC020A-E/MC	MICROCHIP	获取价格	2K SPI Bus Serial EEPROM
25LC020A-E/MS	MICROCHIP	获取价格	2K SPI Bus Serial EEPROM
25LC020A-E/OT	MICROCHIP	获取价格	2K SPI Bus Serial EEPROM
25LC020A-E/P	MICROCHIP	获取价格	2K SPI Bus Serial EEPROM
25LC020A-E/SN	MICROCHIP	获取价格	2K SPI Bus Serial EEPROM
25LC020A-E/SN16KVAO	MICROCHIP	获取价格	EEPROM, 256X8, Serial, CMOS, PDSO8
25LC020A-E/ST	MICROCHIP	获取价格	2K SPI Bus Serial EEPROM
25LC020A-H/SN	MICROCHIP	获取价格	1K-4K SPI Serial EEPROM High Temp Family Data Sheet
25LC020A-I/MC	MICROCHIP	获取价格	2K SPI Bus Serial EEPROM
25LC020A-I/MS	MICROCHIP	获取价格	2K SPI Bus Serial EEPROM

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