DS2401
Silicon Serial Number
www.dalsemi.com
FEATURES
§
Upgrade and drop-in replacement for
DS2400
- Extended 2.8 to 6.0 voltage range
- Multiple DS2401s can reside on a
common 1-Wire bus
§
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 MicroLAN
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
16.3 kbits/s
§
TO-92 tape & reel version with leads bent to
100 mil spacing (default) or with straight
leads (DS2401T-SL)
§
Applications
- PCB Identification
- Network Node ID
- Equipment Registration
§
Operates over industrial temperature range of
-40°C to +85°C
PIN ASSIGNMENT
TO-92
DALLAS
DS2401
TSOC PACKAGE
TOP VIEW
3.7 X 4.0 X 1.5 mm
1 2 3
1 2 3
TOP VIEW
See Mech. Drawings
Section
BOTTOM VIEW
PIN DESCRIPTION
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5-6
TO-92/SOT-223
Ground
Data (DQ)
No Connect
Ground
−
TSOC
Ground
Data (DQ)
No Connect
No Connect
No Connect
ORDERING INFORMATION
DS2401
DS2401Z
DS2401T
DS2401T-SL
DS2401Y
DS2401P
DS2401V
DS2401X1
TO-92 Package
SOT-223 Surface Mount Package
Tape & Reel of DS2401
Like DS2401T but straight leads
Tape & Reel of DS2401Z
TSOC Surface Mount Package
Tape & Reel of DS2401P
Chip Scale Pkg., Tape & Reel
1 of 10
102199
DALLAS [ DALLAS SEMICONDUCTOR ]
