DS2411R+T&R Maxim Integrated Products, DS2411R+T&R Datasheet - Page 5

• Manufacturer Part Number: DS2411R+T&R
• Description: IC SILICON SERIAL NUMBER SOT-23
• Manufacturer: Maxim Integrated Products

Specifications of DS2411R+T&R

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: DS2411R+T&R; DS2411R+TR

Figure 2. 1-WIRE CRC GENERATOR
Figure 3. DS2411 EQUIVALENT CIRCUIT
Figure 4. BUS MASTER CIRCUIT
a) Open Drain
X
0
R
value depends on the 1-Wire communication speed and
the bus load characteristics.
STAGE
PUP
1st
DS5000 OR 8051
Rx
Tx
must be between 0.3 k  and 2.2 k  . The optimal
BUS MASTER
EQUIVALENT
X
1
STAGE
OPEN-DRAIN
2nd
PORT PIN
X
2
STAGE
3rd
Rx
Tx
X
100 Ω
MOSFET
3
STAGE
R
4th
V
I/O to DS2411
Ground to DS2411
PUP
CC
POLYNOMIAL = X
to DS2411
V
CC
GROUND
X
4
8
5 of 11
STAGE
+ X
5th
5
b) DS2480B Serial Bridge
+ X
OR µC
UART
4
+ 1
* ONLY ONE DS9502 ESD PROTECTION DIODE WITH 5V
-1  A 
START
I/O
SOUT (TxD)
X

SIN (RxD)
I
L
L
5
 1  A
STAGE
6th
1
0
INPUT DATA
X
M
5V
6
STAGE
STOP
7th
5V OPERATION ONLY
X
V
RxD
TxD
7
PP
STAGE
DS2480
GND
V
8th
DD
POL
1-W
X
8
V
I/O
GND
cc
*