specifications
									| TYPE | DESCRIPTION | 
| Mfr | Epson | 
| Series | RX-4581NB | 
| Package | Tape & Reel (TR) | 
| Product Status | OBSOLETE | 
| Features | Alarm, Leap Year, SRAM | 
| Package / Case | 22-SMD, 20 Leads, Flat Leads | 
| Mounting Type | Surface Mount | 
| Memory Size | 16B | 
| Interface | SPI | 
| Type | Clock/Calendar | 
| Operating Temperature | -40°C ~ 85°C | 
| Voltage - Supply | 1.6V ~ 5.5V | 
| Time Format | HH:MM:SS (24 hr) | 
| Date Format | YY-MM-DD-dd | 
| Supplier Device Package | 22-SON | 
| Current - Timekeeping (Max) | 0.8µA ~ 1.2µA @ 3V ~ 5V | 
| DigiKey Programmable | Not Verified |