DS1971 データシートの表示（PDF） - Maxim Integrated
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DS1971 Datasheet PDF : 4 Pages
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19-4734; 7/09
www.maxim-ic.com
SPECIAL FEATURES
256-bit Electrically Erasable Programmable
Read Only Memory (EEPROM)
communicates with the economy of one
signal plus ground
EEPROM organized as one 256-bit page
64-bit one-time programmable application
register is automatically write-protected after
programming
Reduces control, address, data, power, and
programming signals to a single data pin
8-bit family code specifies DS1971
communications requirements to reader
Reads and writes over a wide voltage range
of 2.8V to 6.0V from -40°C to +85°C
F3 MicroCan
F5 MicroCan
DS1971
256-Bit EEPROM iButton®
COMMON iButton FEATURES
Unique, factory-lasered and tested 64-bit
registration number (8-bit family code + 48-
bit serial number + 8-bit CRC tester) assures
absolute traceability because no two parts are
alike
Multidrop controller for MicroLAN
Digital identification and information by
momentary contact
Chip-based data carrier compactly stores
information
Data can be accessed while affixed to object
Economically communicates to bus master
with a single digital signal at 16.3kbps
Standard 16mm diameter and 1-Wire
protocol ensure compatibility with iButton
family
Button shape is self–aligning with cup-
shaped probes
Durable stainless steel case engraved with
registration number withstands harsh
environments
Easily affixed with self-stick adhesive
backing, latched by its flange, or locked with
a ring pressed onto its rim
Presence detector acknowledges when reader
first applies voltage
ORDERING INFORMATION
DS1971-F3+
F3 MicroCan
DS1971-F5+
F5 MicroCan
+Denotes a lead(Pb)-free/RoHS-compliant package.
EXAMPLES OF ACCESSORIES
DS9096P
Self-Stick Adhesive Pad
DS9101
Multi-Purpose Clip
DS9093RA
Mounting Lock Ring
DS9093F
Snap-in Fob
DS9092
iButton Probe
iButton and 1-Wire are registered trademarks of Maxim Integrated Products, Inc.
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