DS18S20-PAR+T&R Maxim Integrated Products, DS18S20-PAR+T&R Datasheet - Page 10

• Manufacturer Part Number: DS18S20-PAR+T&R
• Description: Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr
• Manufacturer: Maxim Integrated Products

Specifications of DS18S20-PAR+T&R

• Full Temp Accuracy: +/- 0.5 C
• Package / Case: TO-92
• Digital Output - Bus Interface: Serial (1-Wire)
• Digital Output - Number Of Bits: 9 bit
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 55 C
• Output Type: Digital
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

DS18S20-PAR FUNCTION COMMAND SET Table 4
NOTES:
1. The master must enable a strong pullup on the 1-Wire bus during temperature conversions and copies
2. The master can interrupt the transmission of data at any time by issuing a reset.
3. Both bytes must be written before a reset is issued.
Convert T
Read Scratchpad
Write Scratchpad
Copy Scratchpad
Recall E
from the scratchpad to EEPROM. No other bus activity may take place during this time.
Command
2
Writes data into scratchpad
Initiates temperature
conversion.
Reads the entire scratchpad
including the CRC byte.
bytes 2 and 3 (T
Copies T
scratchpad to EEPROM.
Recalls T
EEPROM to the scratchpad.
TEMPERATURE CONVERSION COMMANDS
H
H
Description
and T
and T
H
L
L
MEMORY COMMANDS
and T
data from the
data from
L
).
10 of 20
Protocol
BEh
4Eh
B8h
44h
48h
DS18S20-PAR transmits up
After Command is Issued
to 9 data bytes to master.
DS18S20-PAR transmits
bytes to DS18S20-PAR.
Master transmits 2 data
recall status to master.
1-Wire Bus Activity
None
None
Notes
1
2
3
1