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Description
The CDP68HC68T1P is a Real-Time Clock IC which provides a time/calendar function, a 32-byte static RAM, and a 3-wire Serial Peripheral Interface (SPI Bus). The main function of this clock is to divide down a frequency input that can be supplied by an on-board oscillator in conjunction with an external crystal or an external clock source. The clock also features automatic power loss detection, low minimum standby voltage, and selectable crystal or 50/60 Hz line input which makes it a reliable and efficient RTC in various applications.
Specifications and Features
Here are some of the important features of the CDP68HC68T1P RTC:
- SPI (Serial Peripheral Interface)
- Full Clock Features:
- Seconds, Minutes, Hours (12/24, AM/PM), Day of Week, Date, Month, Year (0-99), Automatic Leap Year
- 32 Word x 8-Bit RAM
- Seconds, Minutes, Hours Alarm
- Automatic Power Loss Detection
- Low Minimum Standby (Timekeeping) Voltage . . . . . 2.2V
- Selectable Crystal or 50/60Hz Line Input
- Buffered Clock Output
- Battery Input Pin that Powers Oscillator and also Connects to VDD Pin When Power Fails
- Three Independent Interrupt Modes:
- Alarm
- Periodic
- Power-Down Sense
Application Scenarios
The CDP68HC68T1P RTC can find its application in a variety of electronic devices where accurate timekeeping is essential. This component can be used in various applications, including medical equipment, industrial control systems, data storage systems, and many more.
Comparison
Advantages- Low minimum standby voltage
- Automatic power loss detection
- Three independent interrupt modes
- Buffered clock output
- Selectable crystal or 50/60Hz line input
Disadvantages- None that are significant
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download CDP68HC68T1P
- Chipdatas Part: CD94-CDP68HC68T1P
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- Last Updated: 2024/05/20 20:51 +0800
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