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DS1972-F3+
iButton Memory, 1024bit, EEPROM
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- DS1972-F3+
- Order Code:
- 2798746
- Technical Datasheet:
- DS1972-F3+ Datasheet
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
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Product Information
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Technical Documents (2)
194 total stock globally Need more?
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You can reserve stock now just order your desired quantity and checkout as normal. The quantity that cant be dispatched now will be placed on back order and sent as soon as we get a delivery from our supplier. You only get charged when the products are dispatched to you.
Extra stock is available upon order to the Supplier Lead Time which is approximately 7/08/23
194 UK stock available for 5-8 business days delivery
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
$9.19
(
$10.11
Inc. GST)
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| 10+ | $8.40 ($9.24) | ( ) |
| 25+ | $8.24 ($9.06) | ( ) |
| 100+ | $7.33 ($8.06) | ( ) |
| 300+ | $7.29 ($8.02) | ( ) |
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| 1000+ | $6.65 ($7.32) | ( ) |
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