DS2422 Maxim, DS2422 Datasheet - Page 2

• Manufacturer Part Number: DS2422
• Description: The DS2422 temperature/data logger combines the core functions of a fully featured data logger in a single chip
• Manufacturer: Maxim

ABSOLUTE MAXIMUM RATINGS*
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device.
ELECTRICAL CHARACTERISTICS
(V
ALARM, PUMP_ONZ, SDATA, SCLK, CNVST, VPAD,
I/O Voltage to GND
ALARM, PUMP_ONZ, I/O Combined Sink Current
Operating Temperature Range
Junction Temperature
Storage Temperature Range
Lead Temperature (soldering, 10s)
Soldering Temperature (reflow)
Standby Supply Current
Ground Current
I/O Pin General Data
1-Wire Pullup Resistance
Input Capacitance
Input Load Current
High-to-Low Switching
Threshold
Input Low Voltage
Low-to-High Switching
Threshold
Switching Hysteresis
Output Low Voltage
Recovery Time (Note 1)
Rising-Edge Hold-off Time
Timeslot Duration (Note 1)
I/O Pin, 1-Wire Reset, Presence Detect Cycle
Reset Low Time (Note 1)
Presence Detect High
Time
Presence Detect Fall Time
(Notes 4, 13)
Presence Detect Low
Time
Presence Detect Sample
Time (Note 1)
PUP
= 3.0V to 5.25V, V
PARAMETER
BAT
= 2.0V to 3.6V, V
SYMBOL
R
I
I
t
t
I
t
t
t
t
V
V
V
t
t
C
V
SLOT
RSTL
BAT1
BAT0
GND
V
MSP
REC
REH
PDH
FPD
PDL
PUP
I
TH
HY
OL
L
TL
IO
IL
V
V
Applies individually to GND, AGND
(Note 1)
(Notes 1, 2)
(Notes 3, 4)
I/O pin at V
(Notes 4, 5, 6)
(Notes 1, 7)
(Notes 4, 5, 8)
(Notes 4, 9)
At 4mA (Note 10)
Standard speed, R
Overdrive speed, R
Overdrive speed, directly prior to reset
pulse; R
(Notes 4, 11)
Standard speed
Overdrive speed, V
Overdrive speed (Note 12)
Standard speed, V
Standard speed (Note 12)
Overdrive speed, V
Overdrive speed (Note 12)
Standard speed, V
Standard speed (Note 12)
Overdrive speed (Note 12)
Standard speed, V
Standard speed
Overdrive speed
Standard speed, V
Standard speed (Note 12)
Overdrive speed, V
(Note 12)
Overdrive speed (Note 12)
Standard speed, V
Standard speed
Overdrive speed
BAT
BAT
PAD
at 3.0V, I/O at 0V, RTC on
at 3.6V, I/O at 0V, RTC off
PUP
= 3.0V to 5.5V, T
PUP,
= 2.2k
CONDITIONS
2 of 49
V
BAT
PUP
PUP
PUP
PUP
PUP
PUP
PUP
PUP
PUP
PUP
= 3.6V
= 2.2k
> 4.5V
> 4.5V
> 4.5V
> 4.5V
> 4.5V
= 2.2k
> 4.5V
> 4.5V
> 4.5V
A
= -40°C to +85°C.
-0.3V, +6V
20mA
-40°C to +85°C
+150°C
-55°C to +125°C
300°C
260°C
0.09
0.15
71.5
MIN
480
690
0.4
0.7
0.6
9.5
1.5
1.5
65
48
70
15
15
60
60
65
5
2
5
8
2
7
7
8
)
(Note 20)
1200
TYP
100
50
6
MAX
2000
63.5
650
800
N/A
720
720
240
287
2.2
0.4
2.0
3.2
0.3
3.4
20
10
80
80
60
24
28
75
75
7
5
8
1
9
UNITS
mA
nA
k
µA
pF
µs
µs
µs
µs
µs
µs
µs
µs
V
V
V
V
V