DS18S20Z Maxim Integrated Products, DS18S20Z Datasheet - Page 16
![IC THERM MICROLAN HI-PREC 8-SOIC](/photos/19/51/195174/8-soic_sml.jpg)
DS18S20Z
Manufacturer Part Number
DS18S20Z
Description
IC THERM MICROLAN HI-PREC 8-SOIC
Manufacturer
Maxim Integrated Products
Datasheet
1.DS18S20Z.pdf
(23 pages)
Specifications of DS18S20Z
Sensing Temperature
-55°C ~ 125°C
Output Type
Digital
Voltage - Supply
3 V ~ 5.5 V
Accuracy
±0.5°C
Package / Case
8-SOIC (0.154", 3.90mm Width)
Full Temp Accuracy
+/- 2 C
Digital Output - Bus Interface
Serial (1-Wire)
Digital Output - Number Of Bits
9 bit
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS18S20Z
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
DS18S20Z+
Manufacturer:
Maxim
Quantity:
2 943
Company:
Part Number:
DS18S20Z+T&R
Manufacturer:
MAXIM
Quantity:
2 150
Figure 14. ROM Commands Flowchart
SERIAL NUMBER
FAMILY CODE
DS18S20 T
DS18S20 T
DS18S20 T
READ ROM
COMMAND
CRC BYTE
6 BYTES
1 BYTE
33h
Y
X
X
X
Initialization
Sequence
N
MATCH ROM
MASTER T
MASTER T
MASTER T
COMMAND
MATCH?
MATCH?
MATCH?
BIT 63
BIT 0
BIT 0
BIT 63
BIT 1
BIT 1
55h
Y
Y
Y
Y
MASTER T
X
X
RESET PULSE
X
DS18S20 T
PRESENCE
MASTER T
COMMAND
N
PULSE
N
N
N
X
ROM
X
X
(FIGURE 15)
MASTER T
COMMAND
FUNCTION
N
N
N
DS18S20 T
MASTER T
DS18S20 T
DS18S20 T
DS18S20 T
MASTER T
DS18S20 T
DS18S20 T
MASTER T
16 of 23
SEARCH ROM
COMMAND
MATCH?
MATCH?
Y
Y
MATCH?
BIT 0
BIT 1
BIT 63
X
F0h
X
X
X
X
X
X
Y
X
X
X
BIT 63
BIT 0
Y
BIT 63
BIT 63
BIT 0
BIT 0
BIT 1
BIT 1
BIT 1
N
DS18S20 T
DS18S20 T
MASTER T
ALARM SEARCH
WITH ALARM
COMMAND
FLAG SET?
DEVICE(S)
ECh
X
Y
X
X
Y
BIT 0
BIT 0
BIT 0
N
N
COMMAND
SKIP ROM
CCh
Y
N
DS18S20