DS1973-F3 Maxim Integrated Products, DS1973-F3 Datasheet
DS1973-F3
Manufacturer Part Number
DS1973-F3
Description
DS1973 4 Kbit EePROM Ibutton
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1973-F3.pdf
(2 pages)
SPECIAL FEATURES
COMMON iButton FEATURES
F3 MICROCAN
www.iButton.com
0.36
DATA
4096 bits Electrically Erasable
Programmable Read Only Memory
(EEPROM)
Overdrive mode boosts communication
speed to 142 kbits per second
256–bit scratchpad ensures integrity of data
transfer
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
Unique, factory-lasered and tested 64-bit
registration number (8-bit family code +
48-bit serial number + 8-bit CRC tester)
assures absolute identity because no two
parts are alike
Multidrop controller for MicroLAN
Digital identification and information by
momentary contact
GROUND
0.51
3.10
000000FBC52B
F3
YYWW REGISTERED RR
c 1993
23
16.25
17.35
All dimensions shown in millimeters.
1 of 2
0.36
DATA
ORDERING INFORMATION
DS1973-F3
DS1973-F5
F5 MICROCAN
GROUND
5.89
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 16.3 kbits per
second
Standard 16 mm 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
Meets UL#913 (4
Apparatus, Approved under Entity Concept
for use in Class I, Division 1, Group A, B, C
and D Locations (application pending)
4-kbit EEPROM iButton
0.51
000000FBD8B3
73
YYWW REGISTERED RR
c 1993
23
th
F3 MicroCan
F5 MicroCan
Edit.); Intrinsically Safe
16.25
17.35
DS1973
050200
®
TM
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DS1973-F3 Summary of contents
Page 1
... Presence detector acknowledges when reader first applies voltage Meets UL#913 (4 Apparatus, Approved under Entity Concept for use in Class I, Division 1, Group and D Locations (application pending) ORDERING INFORMATION DS1973-F3 DS1973-F5 F5 MICROCAN 5.89 0.36 17.35 DATA GROUND All dimensions shown in millimeters. ...
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. The 64– ...