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                                                                                                    1. Home
                                                                                                    2. Semiconductors - ICs
                                                                                                    3. Memory
                                                                                                    4. iButtons & Accessories
                                                                                                    5. iButtons
                                                                                                    Print Page

                                                                                                    DS1972-F3+

                                                                                                    iButton Memory, 1024bit, EEPROM

                                                                                                    ANALOG DEVICES
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    ANALOG DEVICES DS1972-F3+
                                                                                                    ManufacturerANALOG DEVICES
                                                                                                    Manufacturer Part NoDS1972-F3+
                                                                                                    Order Code2798746
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    See all Technical Docs
                                                                                                    146 In Stock

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                                                                                                    146 Delivery in 3-4 Business Days(UK stock)
                                                                                                    QuantityPrice
                                                                                                    1+HK$42.250
                                                                                                    10+HK$38.620
                                                                                                    25+HK$38.030
                                                                                                    100+HK$36.580
                                                                                                    300+HK$35.850
                                                                                                    500+HK$35.500
                                                                                                    1000+HK$35.320
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                                                                                                    Minimum: 1
                                                                                                    Multiple: 1
                                                                                                    HK$42.25
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                                                                                                    Product Information

                                                                                                    ANALOG DEVICES
                                                                                                    ManufacturerANALOG DEVICES
                                                                                                    Manufacturer Part NoDS1972-F3+
                                                                                                    Order Code2798746
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    Memory Size1024bit
                                                                                                    Memory TypeEEPROM
                                                                                                    Product Range-
                                                                                                    MSL-
                                                                                                    SVHCNo SVHC (21-Jan-2025)

                                                                                                    Product Overview

                                                                                                    The DS1972-F3+ is a 1024bit EEPROM iButton in a rugged F3 iButton® package. This 1-Wire® EEPROM chip is organized as 4 memory pages of 256bit each. Data is written to an 8byte scratchpad, verified and then copied to EEPROM memory. The 4 memory pages can individually be write protected or put in EPROM emulation mode where bits can only be changed from 1 to 0 state. Chip based data carrier stores digital identification and information. The DS1972 communicates over single conductor 1-Wire® bus and communication follows standard 1-Wire® protocol. Each device has its own unalterable and unique 64bit ROM registration number that is factory lasered into the device. The registration number is used to address the device in a multidrop, 1-wire net environment. The device is used in access control/parking meter, work in progress tracking, tool management, inventory control and maintenance/inspection data storage applications.

                                                                                                    • Reads and writes over a wide voltage range from 2.8V to 5.25V from -40°C to 85°C
                                                                                                    • Communicates to host with single digital signal at 15.4Kbps or 125Kbps using 1-Wire® protocol
                                                                                                    • Button shape is self aligning with cup shaped probes
                                                                                                    • Presence detector acknowledges when reader first applies voltage
                                                                                                    • Switchpoint hysteresis and filtering to optimize performance in presence of noise
                                                                                                    • IEC 1000-4-2 level 4 ESD protection (±8KV contact, ±15KV air)
                                                                                                    • Data can be accessed while affixed to object
                                                                                                    • Programming current of EEPROM is 0.8mA and programming time of EEPROM is 10ms
                                                                                                    • 40 years EEPROM data retention
                                                                                                    • Armoured in durable stainless steel case

                                                                                                    Applications

                                                                                                    Embedded Design & Development

                                                                                                    Notes

                                                                                                    ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party

                                                                                                    Technical Specifications

                                                                                                    Memory Size

                                                                                                    1024bit

                                                                                                    Product Range

                                                                                                    -

                                                                                                    SVHC

                                                                                                    No SVHC (21-Jan-2025)

                                                                                                    Memory Type

                                                                                                    EEPROM

                                                                                                    MSL

                                                                                                    -

                                                                                                    Technical Docs (2)

                                                                                                    Application Note EN

                                                                                                    Technical Data Sheet EN

                                                                                                    Legislation and Environmental

                                                                                                    Country of Origin:
                                                                                                    Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                    Philippines
                                                                                                    Country in which last significant manufacturing process was carried out
                                                                                                    Tariff No:85423290
                                                                                                    US ECCN:EAR99
                                                                                                    EU ECCN:NLR
                                                                                                    RoHS Compliant:Yes

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:No SVHC (21-Jan-2025)
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

                                                                                                    Weight (kg):.001661
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