DS1921H/Z Maxim Integrated Products, DS1921H/Z Datasheet - Page 37

• Manufacturer Part Number: DS1921H/Z
• Description: High Resolution Thermochron Ibutton Range H
• Manufacturer: Maxim Integrated Products

IO pin, 1-Wire Reset, Presence Detect Cycle
Reset Low Time
Presence Detect High
Time
Presence Detect Low
Time
Presence Detect
Sample Time
IO pin, 1-Wire Write
Write-0 Low Time
Write-1 Low Time
Write Sample Time
(slave sampling)
IO pin, 1-Wire Read
Read Low Time
Read-0 Low
(data from slave)
Read Sample Time
Real-Time Clock
Frequency Deviation
Temperature Converter
Tempcore Operating
Range
Conversion Time
Thermal Response
Time Constant
Conversion Error
Number of
Conversions
PARAMETER
SYMBOL
N
t
t
t
t
t
t
t
t
CONV
t
t
T
t
RSTL
RESP
DJ
CONV
W0L
W1L
t
MSR
PDH
PDL
MSP
D
SPD
SLS
RL
TC
F
Standard Speed,
V
Standard Speed
Overdrive Speed
Standard Speed
Overdrive Speed
Standard Speed
Overdrive Speed
Standard Speed
Overdrive Speed
Standard Speed
Overdrive Speed
Standard Speed
Overdrive Speed
Standard Speed
Overdrive Speed
Standard Speed
Overdrive Speed
Standard Speed
Overdrive Speed
Standard Speed
Overdrive Speed
-5°C to +46°C
DS1921H
DS1921Z
PUP
CONDITIONS
> 4.5V
37 of 40
t
t
RL
RL
MIN
480
540
1.1
7.5
-48
48
15
60
60
60
15
15
15
75
-5
-1
5
5
6
6
1
2
1
2
+ d
+ d
(see graphs)
TYP
130
MAX UNITS NOTES
15 - d
15 - e
2 - e
2 - d
+26
640
640
270
120
+46
360
8.6
80
60
24
75
15
60
60
15
46
+1
6
6
6
2
PPM
ms
°C
°C
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
—
s
13, 16
14, 16
1, 15
1, 16
1, 15
1, 11
1, 12
1, 12
15
15
15
15