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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 0

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: 19 Weeks
Minimum Order: 760
Multiple Of: 38
Quantity Web Price
38 $10.23
76 $8.51
114 $8.36
152 $8.26
190+ $8.18


Attributes Table
Interface Serial
Non-Volatile Memory Size 32B
SRAM Size 256b
Supply Voltage-Nom 3V to 6V
Temperature Grade Industrial
Features and Applications

The CDP68HC68T1MZ is a CMOS serial real time clock with RAM and power sense and control, available in surface mount SOIC-20 package.

This device provides a time/calendar function, a 32 byte static RAM, and a 3 wire Serial Peripheral Interface (SPI Bus). The  primary function of the clock is to divide down a frequency input that can be supplied by the on-board oscillator.


  • SPI (Serial Peripheral Interface)
  • Full Clock Features
    • Seconds, Minutes, Hours (12/24, AM/PM), Day of Week, Date, Month, Year (0 to 99), Automatic Leap Year
  • 32 Wordx8-Bit RAM
  • Seconds, Minutes, Hours Alarm
  • Automatic Power Loss Detection
  • Low Minimum Standby (Timekeeping) Voltage : 2.2 V
  • 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
  • Pb-Free Available (RoHS Compliant)