參數(shù)資料
型號: MAX6917EO50
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 時鐘/數(shù)據(jù)恢復及定時提取
英文描述: REAL TIME CLOCK, PDSO20
封裝: 0.150 INCH, 0.025 INCH PITCH, MO-137AD, QSOP-20
文件頁數(shù): 27/31頁
文件大小: 349K
代理商: MAX6917EO50
MAX6917
I2C-Compatible RTC with Microprocessor
Supervisor, Alarm, and NV RAM Controller
_______________________________________________________________________________________
5
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = VCC(MIN) to VCC(MAX), TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
BATT_ON OUTPUT
VBATT = 2V, VCC = 0, IOL = 5mA
0.5
VBATT = 2.7V, VCC = 0, IOL = 10mA
0.5
Output Low Voltage
VOL
VBATT = 4.5V, VCC = 0, IOL = 20mA
0.5
V
Off-Leakage
ILKG
-100
+100
nA
RESET
MAX6917EO30
2.5
2.63
2.7
MAX6917EO33
2.8
2.93
3.0
RESET Threshold Voltage
VRST
MAX6917EO50
4.1
4.38
4.5
V
VRST Hysteresis
VHYST
30
mV
MAX6917EO30
27
75
MAX6917EO33
37
90
VCC Falling-Reset Delay
tRPD
VCC falling from VRST(MAX)
to VRST(MIN), measured
from the beginning of VCC
falling to RESET low
MAX6917EO50
50
120
s
Main Reset Active-Timeout Period
tRP
140
200
280
ms
RESET Output Voltage
VOL
RESET asserted, IOL = 1.6mA, VBATT = 2V,
VCC = 0
0.2
V
Off-Leakage
ILKG
-100
+100
nA
I2C DIGITAL INPUTS SCL, SDA
Input High Voltage
VIH
0.7 x
VCC
V
Input Low Voltage
VIL
0.3 x
VCC
V
Input Hysteresis
VHYS
0.05 x
VCC
V
Input Leakage Current
VIN = 0 to VCC
-100
+100
nA
Input Capacitance
(Note 8)
10
pF
SDA Output Low Voltage
VOL
IOL = 4mA, VCC = VCC(MIN)
0.4
V
FREQUENCY OUTPUTS (32kHz and 1Hz)
VCC = 0, VBATT = 2V,
IOL = 100A
0.2
VCC = 2.7V, VBATT = 0,
IOL = 1mA
0.4
32kHz and 1Hz
OUT Low Voltage
VOL
VCC = 4.5V, VBATT = 0,
IOL = 2mA
0.5
V
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