| Type | Description | 
|---|---|
| Series: | - | 
| Package: | Tube | 
| Part Status: | Active | 
| Type: | Clock/Calendar | 
| Features: | Leap Year, Square Wave Output, Trickle-Charger | 
| Memory Size: | - | 
| Time Format: | HH:MM:SS (24 hr) | 
| Date Format: | YY-MM-DD-dd | 
| Interface: | I²C, 2-Wire Serial | 
| Voltage - Supply: | 3V ~ 3.6V | 
| Voltage - Supply, Battery: | 1.4V ~ 3.6V | 
| Current - Timekeeping (Max): | 100µA @ 3.3V | 
| Operating Temperature: | -40°C ~ 85°C | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package: | 8-SOIC | 
| Image | Part Number | Description | Stock / Unit Price | 
|---|---|---|---|
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                                    MCP7940N-E/MSRoving Networks / Microchip Technology | 
                                
                                     IC RTC CLK/CALENDAR I2C 8-MSOP  | 
                                
                                     In Stock: 246 $0.84000  | 
                            
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                                    MCP79402T-I/MNYRoving Networks / Microchip Technology | 
                                
                                     IC RTC CLK/CALENDAR I2C 8-TDFN  | 
                                
                                     In Stock: 0 $0.89700  | 
                            
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                                    RA8804CE XB3Epson | 
                                
                                     IC RTC CLK/CALENDAR I2C SMD  | 
                                
                                     In Stock: 0 $3.23564  | 
                            
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                                    MCP79412T-I/MNYRoving Networks / Microchip Technology | 
                                
                                     IC RTC CLK/CALENDAR I2C 8-TDFN  | 
                                
                                     In Stock: 2,953 $1.06000  | 
                            
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                                    DS1556WP-120+Maxim Integrated | 
                                
                                     IC RTC CLK/CALENDAR PAR 34-PCM  | 
                                
                                     In Stock: 30,240 $34.80000  | 
                            
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                                    RA-8565SA:B3 PURE SNEpson | 
                                
                                     IC REAL TIME CLOCK/CALENDAR  | 
                                
                                     In Stock: 0 $3.60824  | 
                            
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                                    RS5C372B-E2-FRICOH Electronic Devices Co., LTD. | 
                                
                                     IC REAL TIME CLOCK 2 WIRE  | 
                                
                                     In Stock: 1,390 $1.75000  | 
                            
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                                    PCF85263AT/AJNXP Semiconductors | 
                                
                                     IC RTC CLK/CALENDAR I2C 8SO  | 
                                
                                     In Stock: 9,710 $1.02000  | 
                            
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                                    DS1307Z/TRLinear Technology (Analog Devices, Inc.) | 
                                
                                     DS1307 64 X 8, SERIAL, I2C RTC  | 
                                
                                     In Stock: 0 $1.82000  | 
                            
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                                    MAX31341BEWC+Maxim Integrated | 
                                
                                     IC RTC I2C 180NA 12WLP  | 
                                
                                     In Stock: 602 $1.72000  |