DS2406 Maxim Integrated Products, DS2406 Datasheet - Page 2
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DS2406
Manufacturer Part Number
DS2406
Description
IC SW DL ADDRESS W/1K MEM TO-92
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2406.pdf
(32 pages)
Specifications of DS2406
Applications
Remote Control, Remote Metering
Interface
1-Wire
Voltage - Supply
2.8 V ~ 6 V
Package / Case
TO-92-3 (Standard Body), TO-226
Mounting Type
Through Hole
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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ADDRESSABLE SWITCH DESCRIPTION
The DS2406 Dual Addressable Switch Plus Memory offers a simple way to remotely control a pair of
open drain transistors and to monitor the logic level at each transistor’s output via the 1-Wire bus for
closed loop control. Each DS2406 has its own 64-bit ROM registration number that is factory lasered into
the chip to provide a guaranteed unique identity for absolute traceability. The device’s 1024 bits of
EPROM can be used as electronic label to store information such as switch function, physical location,
and installation date. Communication with the DS2406 follows the standard Dallas Semiconductor
1-Wire protocol and can be accomplished with minimal hardware such as a single port pin of a
microcontroller. Multiple DS2406 devices can reside on a common 1-Wire network and be operated
independently of each other. Individual devices will respond to a Conditional Search command if they
qualify for certain user-specified conditions, which include the state of the output transistor, the static
logic level or a voltage transition at the transistor’s output.
DS2406 BLOCK DIAGRAM Figure 1
1-WIRE BUS
PIO-A
PIO-B
PROGRAM
VOLTAGE
DETECT
DATA
STATUS MEMORY
1024-BIT EPROM
5 BYTES EPROM
32 BYTES EACH)
1 BYTE SRAM
DATA MEMORY
(4 PAGES OF
GENERATOR
FUNCTION
CONTROL
FUNCTION
MEMORY
CONTROL
CONTROL
CRC16
1-WIRE
PIO
2 of 32
PARASITE POWER
INT VDD
SCRATCHPAD
LASERED ROM
8-BIT
64-BIT
V CC