參數(shù)資料
型號(hào): PT7C4311WEX
廠商: Pericom
文件頁(yè)數(shù): 4/17頁(yè)
文件大?。?/td> 0K
描述: IC RTC LEAP YEAR Y2K 8SOIC
標(biāo)準(zhǔn)包裝: 1
類型: 時(shí)鐘/日歷
特點(diǎn): 閏年,方波輸出,Y2K
存儲(chǔ)容量: 56B
時(shí)間格式: HH:MM:SS(24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線串口
電源電壓: 1.2 V ~ 5.5 V
電壓 - 電源,電池: 2 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: PT7C4311WEXDKR
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PT0322(08/09)
Ver: 2
12
Data Sheet
PT7C4311
Real-time Clock Module (I
2C Bus)
Maximum Ratings
StorageTemperature...................................................................................................................-55oCto +125oC
AmbientTemperaturewithPowerApplied.........................................................................-40oCto +85oC
SupplyVoltagetoGroundPotential(VcctoGND) ........................................................-0.3Vto +7.0V
DCInput(AllOtherInputsexceptVcc&GND).............................................................-0.3Vto+7.0V
DCOutputVoltage......................................................................................................................-0.3Vto +7.0V
PowerDissipation.........................................................................................................................250mW
OutputCurrent...............................................................................................................................20mA
Note:
Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Recommended Operating Conditions
Symbol
Description
Min
Type
Max
Unit
Timing data and RAM data maintaining voltage
1.2
-
5.5
Timing data writing voltage
1.5
-
5.5
Timing data reading voltage
1.5
-
5.5
RAM data writing voltage
3.0
-
5.5
VCC
RAM data reading voltage
1.5
-
5.5
VIH
Input high level
0.7 VCC
-
VCC+0.3
VIL
Input low level
-0.3
-
0.3 VCC
V
TA
Operating temperature
-40
-
85
C
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