DS1973 Maxim, DS1973 Datasheet
DS1973
Manufacturer Part Number
DS1973
Description
The DS1973 4Kb EEPROM iButton is a rugged read/write data carrier that identifies and stores relevant information about the product or person to which it is attached
Manufacturer
Maxim
Datasheet
1.DS1973.pdf
(3 pages)
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iButton and 1-Wire are registered trademarks of Maxim Integrated Products, Inc.
SPECIAL FEATURES
4096 bits Electrically Erasable Programmable
Overdrive mode boosts communication speed
256-bit scratchpad ensures integrity of data
Memory partitioned into 256-bit pages for
Reduces control, address, data and power to a
8-bit family code specifies DS1973
Reads and writes over a wide voltage range of
F3 MicroCan
F5 MicroCan
Read Only Memory (EEPROM)
to 142kbps
transfer
packetizing data
single data pin
communication requirements to reader
2.8V to 6.0V from -40°C to +85°C
1 of 3
COMMON iButton FEATURES
Unique, factory-lasered and tested 64-bit
Multidrop controller for MicroLAN
Digital identification and information by
Chip-based data carrier compactly stores
Data can be accessed while affixed to object
Economically communicates to bus master
Standard 16mm diameter and 1-Wire
Button shape is self-aligning with cup-
Durable stainless steel case engraved with
Easily affixed with self-stick adhesive
Presence detector acknowledges when reader
ORDERING INFORMATION
+
EXAMPLES OF ACCESSORIES
DS9096P
DS9101
DS9093RA
DS9093A
DS9092
DS1973-F3+
DS1973-F5+
Denotes a lead(Pb)-free/RoHS-compliant package
registration number (8-bit family code +
48-bit serial number + 8-bit CRC tester)
assures absolute identity because no two
parts are alike
momentary contact
information
with a single digital signal at 16.3kbps
protocol ensure compatibility with iButton
family
shaped probes
registration number withstands harsh
environments
backing, latched by its flange, or locked with
a ring pressed onto its rim
first applies voltage
PART
4Kb EEPROM iButton
Self-Stick Adhesive Pad
Multi-Purpose Clip
Mounting Lock Ring
Snap-In Fob
iButton Probe
PIN-PACKAGE
F3 MicroCan
F5 MicroCan
19-4889; Rev 8/09
.
DS1973
®
®
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DS1973 Summary of contents
Page 1
... Memory partitioned into 256-bit pages for packetizing data Reduces control, address, data and power to a single data pin 8-bit family code specifies DS1973 communication requirements to reader Reads and writes over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C ...
Page 2
... CRC, and an 8-bit Family Code (23H) plus 4096 bits of EEPROM. The power to program and read the DS1973 is derived entirely from the 1-Wire communication line. The memory is organized as sixteen pages of 256 bits each. ...
Page 3
... © 2009 Maxim Integrated Products DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc. DS1973 PAGES CHANGED 1 1 ...