DS1921H/Z Maxim Integrated Products, DS1921H/Z Datasheet - Page 36

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

PHYSICAL SPECIFICATION
Size
Weight
Humidity
Altitude
Safety
ABSOLUTE MAXIMUM RATINGS*
* This is a stress rating only and functional operation of the device at these or any other conditions
ELECTRICAL CHARACTERISTICS (V
IO Voltage to GND
IO sink current
Temperature Range DS1921H, DS1921Z
Junction Temperature
Storage Temperature Range
IO pin general data
1-Wire Pull-Up
Resistance
Input Capacitance
Input Load Current
High-to-Low
Switching Threshold
Input Low Voltage
Low-to-High
Switching Threshold
Output low voltage at
4mA
Recovery Time
Timeslot Duration
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability. These
devices must not be exposed to temperatures over +70°C for extended time periods.
PARAMETER
SYMBOL
t
R
V
V
t
V
C
SLOT
V
REC
I
PUP
TH
OL
L
TL
IO
IL
IO pin at V
V
V
Standard Speed,
R
Overdrive Speed,
R
Overdrive Speed,
directly prior to reset
pulse; R
Standard Speed
Overdrive Speed
PUP
PUP
PUP
PUP
CONDITIONS
= 2.2kW
= 2.2kW
> 4.5V
> 4.5V
PUP
PUP
= 2.2kW
36 of 40
See mechanical drawing
3.3g
90% RH at +50°C
10,000ft
Meets UL#913 (4
Apparatus, approval under Entity Concept for use in
Class I, Division 1, Group A, B, C and D Locations
(application pending)
-0.5V, +6V
20mA
-40°C to +85°C
+150°C
-25°C to +50°C
PUP
= 2.8V to 5.25V, T
MIN
1.14
0.71
1.00
0.66
65
5
2
5
8
th
TYP
100
Edit.); Intrinsically Safe
MAX UNITS NOTES
2.70
2.70
0.30
2.70
2.70
800
2.2
0.4
10
A
= -40°C to +85°C)
kW
µA
pF
µs
µs
V
V
V
V
5, 6, 7,
5, 6, 9,
1, 5, 8
3, 16
5, 10
1, 16
1, 15
1, 2
16
16
4