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Maxim > 方案 > 蜂窝手机

实时时钟(RTC)

数据资料
显示 标题/型号 关键优势
QV  PDF 精密的硅振荡器,带有使能或自动使能端
MAX7393, MAX7394

QV  PDF I²C串行实时时钟
DS1337, DS1337C

业内尺寸最小的I²C RTC,带有两个定时闹钟
QV  PDF I²C、32位二进制计数RTC
DS1672

低电压串行时钟芯片,内部包括超低电压时钟、电源监视电路、电源失效开关和涓流充电选项,单一芯片可替代多个分立元件



Key Specifications:   Timekeeping & Real-Time Clocks
Part Number Functions Time Format (hh = sec/100) Date Format Interface Supply Voltage (V) Time- keeping Current (typ) (nA) CL, Load Capacitance (pF) Memory Type Number of Time of Day Alarms Features Package Operating Temp. Range (°C)
DS1337   -  HH:MM:SS YY-MM-DD I2C 2
3
3.3
5
425 6 None 2
SOIC Package with Integrated Crystal
Square-Wave Output
PDIP/8
SOIC/16
SOIC/8
uSOP/8
 - 
DS1672 
Elapsed Time Counter
Binary Binary I2C 2
3
3.3
425 6 None 0
Trickle Charger
PDIP/8
SOIC/8
uSOP/8
-40 to +85
See All Timekeeping & Real-Time Clocks (86)



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