| Photo | Mfr. Part # | Availability | Quantity | Datasheet | RoHs | Series | Package/Case | Packaging | Product Status | Programmable | Type | Features | Memory Size | Time Format | Date Format | Interface | Voltage - Supply | Voltage - Supply, Battery | Current - Timekeeping (Max) | Operating Temperature | Mounting Type | Grade | Qualification | Supplier Device Package | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                 
                 
                
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                    RTC-4574SA:B3:PURE SNIC RTC CLK/CALENDAR SER 14SOP EPSON  |  
                1,934 | 
                
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                       Datasheet  | 
                   RTC-4574SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | |
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                    RTC-4701JE:B ROHSIC RTC CLK/CALENDAR SER 20VSOJ EPSON  |  
                2,154 | 
                
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                       Datasheet  | 
                   - | 20-LSSOJ (0.213", 5.40mm Width) | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 20-VSOJ | |
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                    RTC-4701NB:B ROHSIC RTC CLK/CALENDAR SER 22SON EPSON  |  
                1,969 | 
                
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                       Datasheet  | 
                   - | 22-LFDFN | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) | |
                 
                 
                
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                    RTC-72421A: PURE SNIC RTC CLK/CALENDAR PAR 18DIP EPSON  |  
                2,301 | 
                
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                       Datasheet  | 
                   RTC-72421 | 18-DIP (0.300", 7.62mm) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -10°C ~ 70°C | Through Hole | - | - | 18-DIP | |
                 
                 
                
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                    RTC-72421B: PURE SNIC RTC CLK/CALENDAR PAR 18DIP EPSON  |  
                2,599 | 
                
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                       Datasheet  | 
                   RTC-72421 | 18-DIP (0.300", 7.62mm) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -10°C ~ 70°C | Through Hole | - | - | 18-DIP | |
                 
                 
                
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                    RTC-72423A: PURE SNIC RTC CLK/CALENDAR PAR 24SOP EPSON  |  
                1,169 | 
                
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                       Datasheet  | 
                   RTC-72423 | 24-SOIC (0.311", 7.90mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SOP | |
                 
                 
                
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                    RTC-72423B: PURE SNIC RTC CLK/CALENDAR PAR 24SOP EPSON  |  
                2,733 | 
                
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                       Datasheet  | 
                   RTC-72423 | 24-SOIC (0.311", 7.90mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SOP | |
                 
                 
                
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                    RTC-7301SF:B ROHSIC RTC CLK/CALENDAR PAR 24SSOP EPSON  |  
                1,393 | 
                
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                       Datasheet  | 
                   - | 24-SOP (0.213", 5.40mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | Parallel | 2.4V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SSOP | |
                 
                 
                
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                    RTC-7301SF:B0 ROHSIC RTC CLK/CALENDAR PAR 24SSOP EPSON  |  
                1,527 | 
                
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                       Datasheet  | 
                   - | 24-SOP (0.213", 5.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | Parallel | 2.4V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SSOP | |
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                    RX-4045SA:AAIC RTC CLK/CALENDAR SPI 14SOP EPSON  |  
                2,380 | 
                
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                       Datasheet  | 
                   RX-4045SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |