| Part Number | CDP68HC68T1M | CDP68HC68T1M2 | 
|---|---|---|
| Manufacturer | Intersil | Renesas Electronics America Inc | 
| Category | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks | 
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| Product Status | Obsolete | Obsolete | 
| Type | Clock/Calendar | Clock/Calendar | 
| Features | Alarm, Leap Year, Square Wave Output, Watchdog Timer | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 
| Memory Size | 32B | 32B | 
| Time Format | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) | 
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | 
| Interface | SPI | SPI | 
| Voltage - Supply | 3V ~ 6V | 3V ~ 6V | 
| Voltage - Supply, Battery | 2.2V ~ 6V | 2.2V ~ 6V | 
| Current - Timekeeping (Max) | 20µA ~ 500µA @ 5V | 20µA ~ 500µA @ 5V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 20-SOIC | 16-SOIC |