19-5860; Rev 5/11
DS2401
Silicon Serial Number
FEATURES
Upgrade and Drop-In Replacement for
DS2400
Extended 2.8V to 6.0V Range
Multiple DS2401 Devices Can Reside on a
Common 1-Wire
Net
Unique, Factory-Lasered and Tested 64-Bit
Registration Number (8-Bit Family Code +
48-Bit Serial Number + 8-Bit CRC Tester);
Guaranteed No Two Parts Alike
Built-In Multidrop Controller Ensures
Compatibility with Other 1-Wire Net
Products
8-Bit Family Code Specifies DS2401
Communications Requirements to Reader
Presence Pulse Acknowledges When the
Reader First Applies Voltage
Low-Cost TO-92, SOT-223, and TSOC
Surface-Mount Packages
Reduces Control, Address, Data, and Power
to a Single Pin
Zero Standby Power Required
Directly Connects to a Single Port Pin of a
Microprocessor and Communicates at Up to
16.3kbps
TO-92 Tape-and-Reel Version with Leads
Bent to 100-mil Spacing (Default) or with
Straight Leads (DS2401-SL)
-40°C to +85°C Industrial Temperature
Range
PIN CONFIGURATIONS
TO-92
TSOC
DS2401
TOP VIEW
1
2
3
1 2 3
TOP VIEW
BOTTOM VIEW
01rrd
1
2
Flip Chip, Top View
with Laser Mark,
Contacts Not Visible.
“rrd” = Revision/Date
PIN DESCRIPTIONS
PIN
1
2
3
4
5, 6
TO-92,
SOT-223
Ground
Data (DQ)
No Connect
Ground*
—
TSOC
Ground
Data (DQ)
No Connect
No Connect
No Connect
FLIP
CHIP
Data (DQ)
Ground
—
—
—
APPLICATIONS
PCB Identification
Network Node ID
Equipment Registration
*SOT-223
only.
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
