DS2411 Maxim, DS2411 Datasheet - Page 5

• Manufacturer Part Number: DS2411
• Description: The DS2411 silicon serial number is a low-cost, electronic registration number with external power supply
• Manufacturer: Maxim

Figure 2. 1-WIRE CRC GENERATOR
Figure 3. DS2411 EQUIVALENT CIRCUIT
Figure 4. BUS MASTER CIRCUIT
X
0
STAGE
1st
X
1
STAGE
2nd
X
2
STAGE
3rd
R
value depends on the 1-Wire communication speed and
the bus load characteristics.
X
Rx
Tx
PUP
3
100Ω
MOSFET
STAGE
DS5000 OR 8051
Rx
Tx
4th
BUS MASTER
must be between 0.3 kΩ and 2.2 kΩ. The optimal
EQUIVALENT
POLYNOMIAL = X
V
CC
OPEN-DRAIN
PORT PIN
GROUND
X
4
8
5 of 12
STAGE
+ X
5th
5
+ X
4
+ 1
R
V
I/O to DS2411
Ground to DS2411
PUP
CC
to DS2411
-1µA ≤ I
X
I/O
5
STAGE
6th
L
≤ 1µA
INPUT DATA
X
6
STAGE
7th
X
7
STAGE
8th
X
8