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DS24B33
1-Wire 4Kb EEPROM
ABSOLUTE MAXIMUM RATINGS
IO Voltage Range to GND ........................................-0.5V to +6V
IO Sink Current....................................................................20mA
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow)
TO-92 ...........................................................................+250°C
All other packages, excluding SFN .............................+260°C
Storage Temperature Range .............................-55°C to +125°C
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
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(T A = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
IO PIN: GENERAL DATA
1-Wire Pullup Voltage
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
V PUP
R PUP
C IO
I L
V TL
V IL
V TH
V HY
V OL
(Notes 2, 3)
(Notes 2, 4)
(Notes 5, 6)
IO at V PUPMAX
(Notes 6, 7, 8)
(Notes 2, 9)
(Notes 6, 7, 10)
(Notes 6, 7, 11)
At 4mA (Note 12)
2.8
0.3
0.05
0.5
1.0
0.2
2000
5.25
2.2
5
V PUP -
1.8
0.5
V PUP -
1.0
1.7
0.4
V
k
pF
μA
V
V
V
V
V
Standard speed
Overdrive speed
5
2
Recovery Time
(Notes 2, 13)
t REC
V PUP +4.5V
Directly prior to reset pulse
640μ s
1
5
μs
Directly prior to reset pulse > 640μs
Standard speed
10
65
Time-Slot Duration
(Notes 2, 14)
t SLOT
Standard speed, V PUP
Overdrive speed
+4.5V
61
8
μs
Overdrive speed, V PUP
IO PIN: 1-Wire RESET, PRESENCE-DETECT CYCLE
+4.5V
7
Reset Low Time
(Note 2)
t RSTL
Standard speed, t REC before reset = 10μs
Standard speed, t REC before reset = 5μs
480
480
960
640
μs
Overdrive speed
48
80
Presence-Detect High Time
Presence-Detect Low Time
Presence-Detect Sample Time
(Notes 2, 15)
t PDH
t PDL
t MSP
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
15
2
60
8
60
6
60
6
240
24
75
10
μs
μs
μs
2
Maxim Integrated
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制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM
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制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM