Description
GND
- Ground
1-W - 1-Wire Input/Output
NC - No Connection
VDD - 4.5V to 5.5V
VPP - Optional EPROM
Programming Voltage
POL
- RXD/TXD Polarity Select
TXD
- Serial Data from UART
RXD
- Serial Data to UART
ORDERING INFORMATION
PART DS2480B+
TEMP
PIN-
RANGE PACKAGE
-40°C to +85°C 8 SO
DS2480B+T&R -40°C to +85°C 8 SO
+ Denotes a lead(Pb)-free/RoHS-compliant package.T&R = Tape and reel.1-Wire and iButton are registered trademarks of Maxim Integrated Products, Inc.DESCRIPTION
Th
Features
- Simplifies the Design of a Low-Cost, Universal RS-232 COM Port to 1-Wire® Interface True-Ground o Interface to an RS-232 COM Port for Reading and Writing 1-Wire Devices o Works with Bipolar as well as Unipolar Logic Signals o Slew Rate Controlled 1-Wire Pulldown and Active Pullup to Accommodate Long Lines and Reduce Radiation o Communicates at Data Rates of 9.6kbps (default), 19.2kbps, 57.6kbps, and 115.2kbps o Self-Calibrating Time Base with ±5% Tolerance for Serial and 1-Wire Communi.