DS2431 데이터 시트보기 (PDF) - Maxim Integrated
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DS2431 Datasheet PDF : 26 Pages
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1024-Bit, 1-Wire 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
Storage Temperature Range .............................-55°C to +125°C
Soldering Temperature...........................Refer to the IPC/JEDEC
J-STD-020 Specification.
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
(TA = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
IO PIN: GENERAL DATA
1-Wire Pullup Voltage
1-Wire Pullup Resistance
Input Capacitance
Input Load Current
VPUP
RPUP
CIO
IL
(Note 2)
(Notes 2, 3)
(Notes 4, 5)
IO pin at VPUP
High-to-Low Switching Threshold
VTL
(Notes 5, 6, 7)
Input Low Voltage
VIL
(Notes 2, 8)
Low-to-High Switching Threshold
VTH
(Notes 5, 6, 9)
Switching Hysteresis
VHY
(Notes 5, 6, 10)
Output Low Voltage
VOL
At 4mA (Note 11)
Standard speed, RPUP = 2.2k
Recovery Time
(Notes 2,12)
tREC
Overdrive speed, RPUP = 2.2k
Overdrive speed, directly prior to reset
pulse; RPUP = 2.2k
Rising-Edge Hold-Off Time
(Notes 5, 13)
tREH
Standard speed
Overdrive speed
Time Slot Duration
(Notes 2, 14)
tSLOT
Standard speed
Overdrive speed
IO PIN: 1-Wire RESET, PRESENCE-DETECT CYCLE
Reset Low Time (Note 2)
tRSTL
Standard speed
Overdrive speed
Presence-Detect High Time
tPDH
Standard speed
Overdrive speed
Presence-Detect Low Time
Standard speed
tPDL
Overdrive speed
Presence-Detect Sample Time
(Notes 2, 15)
tMSP
Standard speed
Overdrive speed
MIN TYP MAX UNITS
2.8
5.25
V
0.3
2.2
k
1000
pF
0.05
6.7
μA
0.5
VPUP -
V
1.8
0.5
V
1.0
VPUP -
1.0
V
0.21
1.70
V
0.4
V
5
2
μs
5
0.5
5.0
μs
Not applicable (0)
65
μs
8
480
640
μs
48
80
15
60
μs
2
6
60
240
μs
8
24
60
75
μs
6
10
2 _______________________________________________________________________________________
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