MAX6900 查看數據表（PDF） - Maxim Integrated
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MAX6900 Datasheet PDF : 17 Pages
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I2C-Compatible RTC in a TDFN
ABSOLUTE MAXIMUM RATINGS
VCC to GND ..............................................................-0.3V to +6V
All Other Pins to GND ................................-0.3V to (VCC + 0.3V)
Input Current
All Pins ............................................................................20mA
Output Current
All Outputs .......................................................................20mA
Rate of Rise, VCC ............................................................100V/µs
Continuous Power Dissipation (TA = +70°C)
6-Pin TDFN (derate 24.4mW/°C above +70°C) .......1951.0mW
Operating Temperature Range ...............................TMIN to TMAX
MAX6900 ETT-T .......................TMIN = -40°C, TMAX = +85°C
Junction Temperature .....................................................+150°C
Storage Temperature Range ............................ -65°C to +150°C
ESD Protection (all pins, Human Body model) ..................2000V
Lead Temperature (soldering, 10s) ...…………………….+300°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.
DC ELECTRICAL CHARACTERISTICS
(VCC = +2.0V to +5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +3.3V, TA = +25°C.) (Note 1)
PARAMETER
Operating Voltage Range
SYMBOL
VCC
Active Supply Current (Note 2)
ICC
Timekeeping Supply Current
(Note 3)
ITK
2-WIRE DIGITAL INPUTS SCL, SDA
VCC = +2.0V
VCC = +5.0V
VCC = +2.0V
VCC = +5.0V
CONDITIONS
MIN TYP MAX UNITS
2
5.5
V
30
µA
110
0.225 0.630
µA
1.2
1.7
Input High Voltage
VIH
Input Low Voltage
VIL
0.7 x VCC
V
0.3 x
VCC
V
Input Hysteresis (Note 5)
Input Leakage Current (Note 4)
Input Capacitance (Note 5)
VHYS
0 < VIN < VCC
0.05 x
VCC
-10
V
10
nA
10
pF
2-WIRE DIGITAL OUTPUT SDA
Output Low Voltage
VOL
ISINK = 4mA
0.4
V
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.0V to +5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +3.3V, TA = +25°C.) (Notes 1, 6)
PARAMETER
SYMBOL
OSCILLATOR
X1 to Ground Capacitance
X2 to Ground Capacitance
FAST I2C-BUS-COMPATIBLE TIMING
SCL Clock Frequency
fSCL
Bus Free Time Between STOP
and START Condition (Note 4)
tBUF
CONDITIONS
MIN TYP MAX UNITS
25
pF
25
pF
0
400 kHz
1.3
µs
2 _______________________________________________________________________________________
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