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Maxim > 方案 > 传输节点、接入节点、上/下路复用器和数字交叉连接

电池备份

数据资料
显示 标题/型号 关键优势
QV  PDF I²C、32位二进制计数器看门狗RTC,带有涓流充电器和复位输入/输出
DS1374, DS1374C, DS1374U

历时计数器,提供上电复位、看门狗或闹钟、方波输出
QV  PDF 3.3V/5V微管理器
DS1836

QV  PDF PC电源失效检测及复位控制器
DS1632




Key Specifications:   Battery Backup Circuits
Part Number Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS1632  3.3 to 5.5 Open Drain Push-Pull
Low Line
Manual Reset
Power Fail Comparator
Xosl Sel
PDIP/16
SOIC/16
80 0 to +70
See All Battery Backup Circuits (89)

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 Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS1374 
Elapsed Time Counter
Watchdog Timekeeper
Binary Binary I2C 1.8
3
3.3
5
400 6 None 1
µP Reset
Periodic Interrupt
SOIC Package with Integrated Crystal
Trickle Charger
SOIC/16
uSOP/10
15 -40 to +85
See All Timekeeping & Real-Time Clocks (86)




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