参数资料
型号: PT7C4311WEX
厂商: Pericom
文件页数: 4/17页
文件大小: 0K
描述: IC RTC LEAP YEAR Y2K 8SOIC
标准包装: 1
类型: 时钟/日历
特点: 闰年,方波输出,Y2K
存储容量: 56B
时间格式: HH:MM:SS(24 小时)
数据格式: YY-MM-DD-dd
接口: I²C,2 线串口
电源电压: 1.2 V ~ 5.5 V
电压 - 电源,电池: 2 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 标准包装
其它名称: 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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