Datasheet

AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and
ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
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
APPLICATIONS
PCB Identification
Network Node ID
Equipment Registration
PIN CONFIGURATIONS
1 2
01rrd
Flip Chip, Top View
with Laser Mark,
Contacts Not Visible.
“rrd” = Revision/Date
PIN DESCRIPTIONS
PIN
TO-92,
SOT-223
TSOC
FLIP
CHIP
1
Ground
Data (DQ)
2
Data (DQ)
Ground
3
No Connect
4
Ground*
5, 6
*SOT-223 only.
DS2401
Silicon Serial Number
TOP VIEW
TOP VIEW
BOTTOM VIEW
TO-92
DS2401
2
3
1
1 2 3
1-
Wire is a registered trademark of Maxim Integrated Products, Inc.
TSOC
19-5860; Rev 5/11

Summary of content (11 pages)