DS1972-F3+ by Analog Devices

iButton 1024-Bit EEPROM


The iButton® 256-bit EEPROM (DS1972) is a 1024-bit, 1-Wire® EEPROM chip in a rugged iButton package. 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 DS1972 communicates over the single-conductor 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 factory lasered into the device. The registration number is used to address the device in a multidrop, 1-Wire net environment.

Where to Buy

Prices starting from US$3.54

Distributor Stock
Logo for Farnell
Farnell
from US$3.54
192
in stock
Buy Now
Logo for Analog Devices
Analog Devices
from US$4.24
219
in stock
Buy Now
Logo for Newark Electronics
Newark Electronics
from US$4.46
192
in stock
Buy Now
Logo for element14
element14
from US$4.34
192
in stock
Buy Now

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, typical)
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 125kbps Using 1-Wire Protocol

Specifications

Technology iButton
End Equipment Asset Management
Memory Type EEPROM
Memory Size 1K bits
Unique Ware No
Real Time Clock No
BudgetaryPrice (See Notes) 3.18


DS1972-F3+ Semiconductors - ICs by Analog Devices

MEMORY IBUTTON 1.024KBIT EEPROM

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Memory Size 1024bit
Memory Type EEPROM
Product Range -
MSL -
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

1024-Bit EEPROM iButton | Analog Devices
Memory Ibutton, 1.024Kbit, Eeprom | Newark Electronics
MEMORY IBUTTON, 1.024KBIT, EEPROM | element14

Frequently Asked Questions

Where can I find additional details, specifications and documents for a DS1972-F3+ ?

Additional datasheets, footprints and schematics for DS1972-F3+ are listed on our Part Details page. You can also find images and similar parts to DS1972-F3+ on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for DS1972-F3+ on our Product Comparison page. Access via the 'View Pricing & Stock' button to view DS1972-F3+ price breaks, MOQs, lead times, inventory and SKUs from distributors.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the DS1972-F3+ you can contact the distributor directly for product support, shipping queries etc.

Is the DS1972-F3+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for DS1972-F3+ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for DS1972-F3+ .

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for DS1972-F3+ often in real-time on the comparison pages.

What if I can't find stock of DS1972-F3+ ?

You can fill out our help required form which you can use to request a quote for DS1972-F3+ from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.

We use cookies to improve your experience. See our privacy policy.
Okay