Datasheet

DS2401
3 of 10
DS2401 MEMORY MAP Figure 1
8-Bit CRC Code 48-Bit Serial Number 8-Bit Family Code (01h)
MSB LSB MSB LSB MSB LSB
DS2401 EQUIVALENT CIRCUIT Figure 2
BUS MASTER CIRCUIT Figure 3
A) Open Drain
Note:
Depending on the 1-Wire communication speed and the bus load characteristics, the optimal pullup
resistor (R
PU
) value will be in the 1.5kΩ to 5kΩ range.
To data connection
of DS2401
B) Standard TTL
To data connection
of DS2401
See note
See note