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| Part Number | RA-8565SA:B3 ROHS | RA-4574SA:B3 PURE SN | RA-4574SA:B3 ROHS | RA-4565SA:B3 ROHS | RA-4574SA:B PURE SN |
| Manufacturer | EPSON | EPSON | EPSON | EPSON | EPSON |
| Series | - | RA-4574SA | - | - | RA-4574SA |
| Package/Case | 14-SOIC (0.197", 5.00mm Width) | 14-SOIC (0.197", 5.00mm Width) | 14-SOIC (0.197", 5.00mm Width) | 14-SOIC (0.197", 5.00mm Width) | 14-SOIC (0.197", 5.00mm Width) |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tube |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Programmable | Not Verified | Not Verified | Not Verified | Not Verified | Not Verified |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Features | Alarm, Leap Year | Alarm, Leap Year | Alarm, Leap Year | Alarm, Leap Year | Alarm |
| Memory Size | - | - | - | - | - |
| Time Format | HH:MM:SS (24 hr) | HH:MM:SS | HH:MM:SS (24 hr) | HH:MM:SS (24 hr) | - |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | - |
| Interface | I2C, 2-Wire Serial | SPI | 3-Wire Serial | 4-Wire Serial | 3-Wire Serial |
| Voltage - Supply | 1.8V ~ 5.5V | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 1.6V ~ 5.5V |
| Voltage - Supply, Battery | - | - | - | - | - |
| Current - Timekeeping (Max) | 1µA ~ 1.8µA @ 3V ~ 5V | 0.5µA ~ 1µA @ 3V ~ 5V | 1µA ~ 2µA @ 3V ~ 5V | 1.6µA ~ 2µA @ 3V ~ 5V | 1µA ~ 2µA @ 3V ~ 5V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Grade | - | - | Automotive | Automotive | - |
| Qualification | - | - | AEC-Q200 | AEC-Q200 | - |
| Supplier Device Package | 14-SOP | 14-SOP | 14-SOP | 14-SOP | 14-SOP |
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