參數(shù)資料
型號(hào): DS1678
廠商: DALLAS SEMICONDUCTOR
元件分類: Timer or RTC
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDIP8
封裝: 0.300 INCH, DIP-8
文件頁(yè)數(shù): 10/24頁(yè)
文件大?。?/td> 301K
代理商: DS1678
DS1678
18 of 24
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
-0.3V to +6V
Operating Temperature
-40°C to +85°C
Storage Temperature
-55°C to +125°C
Soldering Temperature
See J-STD-020A specification
* This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(-40
°C to 85°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Power Supply Voltage
VCC
4.5
5.0
5.5
V
1
Input Logic 1
VIH
2.2
VCC+0.3
V
1
Input Logic 0
VIL
-0.3
+0.8
V
1
Battery Voltage
VBAT
2.6
3.6
V
1
DC ELECTRICAL CHARACTERISTICS
(-40
°C to 85°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Leakage
ILI
-1
+1
A
Logic 1 Output
VOH
2.4
V
Logic 0 Output
VOL
0.4
V
SDA, SCL, and INT Pins
Output Current @0.8V
IOL
4mA
Active Supply Current
ICCA
210
mA
Battery Standby Current
(Oscillator On)
IOSC
500
nA
Battery Standby Current
(Oscillator Off)
IBAT
200
nA
Battery Switch Over Voltage
VSW
1.25
*VBAT
V
AC ELECTRICAL CHARACTERISTICS
(-40
°C to 85°C, VCC= 2.6V to 5.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
CI
10
pF
Crystal Capacitance
CX
12.5
pF
Minimum Signal Width
tGLITCH
0.122
0.245
ms
Minimum Event Rate
tEVENT
0.976
1.22
ms
相關(guān)PDF資料
PDF描述
DS1682S 0 TIMER(S), TIME RECORDER, PDSO8
DS1682 0 TIMER(S), TIME RECORDER, PDSO8
DS1685-3 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS1687-5 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS1685Q-3 1 TIMER(S), REAL TIME CLOCK, PQCC28
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