DS2431P-A1+T datasheet, PDF - EEWORLD Datasheet

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DS2431P-A1+T: DescriptionElectrically erasable programmable read-only memory 1024-Bit 1-Wire Electrically erasable programmable read-only memory; Categorystorage storage; File Size237KB，22 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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DS2431P-A1+T Overview

Electrically erasable programmable read-only memory 1024-Bit 1-Wire Electrically erasable programmable read-only memory

DS2431P-A1+T Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Parts packaging code	SOIC
package instruction	SOC, SOC6,.17
Contacts	6
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	6 weeks
Data retention time - minimum	10
Durability	50000 Write/Erase Cycles
JESD-30 code	R-PDSO-C6
JESD-609 code	e3
length	3.94 mm
memory density	1024 bit
Memory IC Type	EEPROM
memory width	1
Humidity sensitivity level	1
Number of functions	1
Number of terminals	6
word count	1024 words
character code	1000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
organize	1KX1
Package body material	PLASTIC/EPOXY
encapsulated code	SOC
Encapsulate equivalent code	SOC6,.17
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	260
power supply	5 V
Certification status	Not Qualified
Maximum seat height	1.5 mm
Serial bus type	1-WIRE
Maximum supply voltage (Vsup)	5.25 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)
Terminal form	C BEND
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3.76 mm
Base Number Matches	1

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Rev 1; 3/08

1024-Bit, 1-Wire EEPROM

for Automotive Applications

General Description

The DS2431-A1 is an AEC-Q100 Grade 1 qualified ver-

sion of the DS2431. The logical behavior of both ver-

sions is identical. The DS2431-A1 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, veri-

fied, 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-A1 communicates over the single-conduc-

tor 1-Wire bus. The communication follows the standard

1-Wire protocol. Each device has its own unalterable

and unique 64-bit ROM registration number that is fac-

tory lasered into the chip. The registration number is

used to address the device in a multidrop 1-Wire net

environment.

Features

♦

1024 Bits of EEPROM Memory Partitioned Into

Four Pages of 256 Bits

♦

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, Typ)

♦

Reads and Writes Over a 4.5V to 5.25V Voltage

Range from -40°C to +125°C

♦

Communicates to Host with a Single Digital

Signal at 15.4kbps Using 1-Wire Protocol

♦

Meets AEC-Q100 Grade 1 Qualification

Requirements

♦

Also Available as Standard Version for Industrial

Temperature Range (DS2431)

DS2431-A1

Applications

Automotive Sensor Identification and Calibration

Data Storage

Automotive Cable Assembly Identification

Accessory/PCB Identification

Ordering Information

PART

DS2431P-A1+

DS2431P-A1+T

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

6 TSOC

Commands and modes are capitalized for clarity.

+Denotes

a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

Typical Operating Circuit

PUP

I/O

μC

GND

I/O

Pin Configuration

TOP VIEW

6 N.C.

DS2431-A1

N.C.

DS2431-A1

N.C.

GND

TSOC

1-Wire is a registered trademark of Maxim Integrated Products, Inc.

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

DS2431P-A1+T Related Products

	DS2431P-A1+T	DS2431P-A1+
Description	Electrically erasable programmable read-only memory 1024-Bit 1-Wire Electrically erasable programmable read-only memory	Electrically erasable programmable read-only memory 1024-Bit 1-Wire Electrically erasable programmable read-only memory
Is it lead-free?	Lead free	Lead free
Is it Rohs certified?	conform to	conform to
Parts packaging code	SOIC	SOIC
package instruction	SOC, SOC6,.17	SOC, SOC6,.17
Contacts	6	6
Reach Compliance Code	compliant	compliant
ECCN code	EAR99	EAR99
Factory Lead Time	6 weeks	6 weeks
Data retention time - minimum	10	10
Durability	50000 Write/Erase Cycles	50000 Write/Erase Cycles
JESD-30 code	R-PDSO-C6	R-PDSO-C6
JESD-609 code	e3	e3
length	3.94 mm	3.94 mm
memory density	1024 bit	1024 bit
Memory IC Type	EEPROM	EEPROM
memory width	1	1
Humidity sensitivity level	1	1
Number of functions	1	1
Number of terminals	6	6
word count	1024 words	1024 words
character code	1000	1000
Operating mode	ASYNCHRONOUS	ASYNCHRONOUS
Maximum operating temperature	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C
organize	1KX1	1KX1
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOC	SOC
Encapsulate equivalent code	SOC6,.17	SOC6,.17
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE
Parallel/Serial	SERIAL	SERIAL
Peak Reflow Temperature (Celsius)	260	260
power supply	5 V	5 V
Certification status	Not Qualified	Not Qualified
Maximum seat height	1.5 mm	1.5 mm
Serial bus type	1-WIRE	1-WIRE
Maximum supply voltage (Vsup)	5.25 V	5.25 V
Minimum supply voltage (Vsup)	4.5 V	4.5 V
Nominal supply voltage (Vsup)	5 V	5 V
surface mount	YES	YES
technology	CMOS	CMOS
Temperature level	AUTOMOTIVE	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	C BEND	C BEND
Terminal pitch	1.27 mm	1.27 mm
Terminal location	DUAL	DUAL
Maximum time at peak reflow temperature	30	30
width	3.76 mm	3.76 mm
Base Number Matches	1	1

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