| Part Number | X1288V14 | X1288V14Z | 
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | 
| Category | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Clock/Calendar | Clock/Calendar | 
| Features | Alarm, Leap Year, Supervisor, Watchdog Timer | Alarm, Leap Year, Supervisor, Watchdog Timer | 
| Memory Size | - | - | 
| Time Format | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) | 
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | 
| Interface | I²C, 2-Wire Serial | I²C, 2-Wire Serial | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Voltage - Supply, Battery | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 
| Current - Timekeeping (Max) | 10µA ~ 20µA @ 2.7V ~ 5V | 10µA ~ 20µA @ 2.7V ~ 5V | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 14-TSSOP | 14-TSSOP |