Datasheet > DS2431/T&R

DS2431/T&R

更新时间： 2024-09-30 22:08:47

品牌	Logo	应用领域
达拉斯 - DALLAS		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
23页	169K
描述
1024-Bit 1-Wire EEPROM

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中文翻译

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DS2431/T&R 数据手册

DS2431

1024-Bit 1-Wire EEPROM

www.maxim-ic.com

GENERAL DESCRIPTION

FEATURES

1024 Bits of EEPROM Memory Partitioned into

Four Pages of 256 Bits

The DS2431 is a 1024-bit, 1-Wire EEPROM chip

organized as four memory pages of 256 bits each.

Data is written to an 8-byte scratchpad, verified, and

then copied to the EEPROM memory. As a special

feature, the four memory pages can individually be

write protected or put in EPROM-emulation mode,

where bits can only be changed from a 1 to a 0 state.

The DS2431 communicates over the single-

conductor 1-Wire bus. The communication follows

the standard Dallas Semiconductor 1-Wire protocol.

Each device has its own unalterable and unique 64-

bit ROM registration number that is factory lasered

into the chip. The registration number is used to

address the device in a multidrop 1-Wire net

environment.

Individual Memory Pages can be Permanently

Write Protected or Put in EPROM-Emulation

Mode ("Write to 0")

Switchpoint Hysteresis and Filtering to Optimize

Performance in the Presence of Noise

IEC 1000-4-2 Level 4 ESD Protection (8kV

Contact, 15kV Air)

Reads and Writes Over a Wide Voltage Range of

2.8V to 5.25V from -40°C to +85°C

Communicates to Host with a Single Digital

Signal at 15.4kbps or 111kbps Using 1-Wire

Protocol

ORDERING INFORMATION

APPLICATIONS

PART

DS2431

TEMP RANGE

-40°C to 85°C

PIN-PACKAGE

TO-92

Accessory/PC Board Identification

Medical Sensor Calibration Data Storage

Analog Sensor Calibration Including IEEE-

P1451.4 Smart Sensors

DS2431/T&R

DS2431P

TO-92, tape & reel

TSOC

DS2431P/T&R

DS2431X

TSOC, tape & reel

CSP, tape & reel

Ink and Toner Print Cartridge Identification

After-Market Management of Consumables

PIN CONFIGURATION

TYPICAL OPERATING CIRCUIT

V_CC

TO-92

R_PUP

µC

TSOC, Top View

TSOC, TO-92 pinout:

I/O

DS2431

Pin 1 -------------

Pin 2 -------------

All other pins --

GND

I/O

GND

A1 = NC

A2 = I/O

B1 = NC

B2 = GND

Commands, Registers, and Modes are capitalized for

clarity.

CSP, approx. 68 × 68 mil

Top view, bumps not visible

1-Wire is a registered trademark of Dallas Semiconductor Corp.

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.

1 of 23

REV: 050704

12 3 4 5 6 7...23

中文翻译

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与DS2431/T&R相关器件

型号	品牌	获取价格	描述	数据表
DS2431/TR	DALLAS	获取价格	EEPROM,
DS2431_08	MAXIM	获取价格	1024-Bit, 1-Wire EEPROM
DS2431_09	MAXIM	获取价格	1024-Bit, 1-Wire EEPROM
DS2431_11	MAXIM	获取价格	1024-Bit, 1-Wire EEPROM Individual Memory Pages Can Be Permanently
DS2431_12	MAXIM	获取价格	1024-Bit, 1-Wire EEPROM
DS2431_1203	MAXIM	获取价格	1024-Bit, 1-Wire EEPROM
DS2431+	MAXIM	获取价格	1024-Bit 1-Wire EEPROM
DS2431+R	MAXIM	获取价格	1024-Bit, 1-Wire EEPROM Individual Memory Pages Can Be Permanently
DS2431+T	MAXIM	获取价格	1024-Bit, 1-Wire EEPROM Individual Memory Pages Can Be Permanently
DS2431+T&R	MAXIM	获取价格	EEPROM, 1KX1, Serial, CMOS, PBCY3, ROHS COMPLIANT, TO-92, 3 PIN

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