DS18B20+PAR Maxim Integrated Products, DS18B20+PAR Datasheet - Page 12
![IC THERM MICROLAN PROG-RES TO-92](/photos/6/93/69353/406-to-92_sml.jpg)
DS18B20+PAR
Manufacturer Part Number
DS18B20+PAR
Description
IC THERM MICROLAN PROG-RES TO-92
Manufacturer
Maxim Integrated Products
Specifications of DS18B20+PAR
Function
Thermometer, Thermostat
Topology
Register Bank, Scratchpad
Sensor Type
Internal
Sensing Temperature
-55°C ~ 100°C
Output Type
1-Wire®
Output Alarm
Yes
Output Fan
No
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
-55°C ~ 100°C
Mounting Type
Through Hole
Package / Case
TO-92-3 (Standard Body), TO-226
Temperature Threshold
Programmable
Full Temp Accuracy
+/- 0.5 C
Digital Output - Bus Interface
1-Wire
Digital Output - Number Of Bits
12 bit
Supply Voltage (max)
5.5 V
Supply Voltage (min)
3 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Supply Current
1.5 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
DS18B20-PAR FUNCTION COMMANDS FLOW CHART Figure 11
MASTER T
COMMAND
FUNCTION
N
X
RECALL FROM E
MASTER BEGINS DATA
BUSY RECALLING
RECALL E
MASTER
DEVICE
R
Y
DATA
B8h
X
?
?
“0s”
Y
2
2
PROM
DS18B20-PAR CONVERTS
STRONG PULLUP ON DQ
MASTER DISABLES
MASTER ENABLES
STRONG PULLUP
TEMPERATURE
TEMPERATURE
N
CONVERT
MASTER
R
44h
X
?
“1s”
SEQUENCE (FIGURE 10) FOR
Y
RETURN TO INITIALIZATION
NEXT TRANSACTION
N
12 of 19
N
MASTER R
N
MASTER R
FROM SCRATCHPAD
SCRATCHPAD
HAVE 8 BYTES
BEEN READ
CRC BYTE
T
MASTER
X
READ
X
RESET
BEh
X
SCRATCHPAD
?
?
?
DATA BYTE
Y
N
Y
Y
SCRATCHPAD TO EEPROM
STRONG PULL-UP ON DQ
DATA COPIED FROM
MASTER DISABLES
MASTER ENABLES
STRONG PULLUP
SCRATCHPAD
COPY
48h
MASTER T
?
N
MASTER T
MASTER T
Y
TO SCRATCHPAD
TO SCRATCHPAD
TO SCRATCHPAD
SCRATCHPAD
X
WRITE
CONFIG. BYTE
4Eh
N
?
X
X
T
T
Y
H
L
BYTE
BYTE
DS18B20-PAR