| Type | Description | 
|---|---|
| Series: | - | 
| Package: | Tube | 
| Part Status: | Obsolete | 
| Type: | Clock/Calendar | 
| Features: | Alarm, Leap Year, Supervisor, Watchdog Timer | 
| Memory Size: | - | 
| Time Format: | HH:MM:SS (12/24 hr) | 
| Date Format: | YY-MM-DD-dd | 
| Interface: | I²C, 2-Wire Serial | 
| Voltage - Supply: | 4.5V ~ 5.5V | 
| Voltage - Supply, Battery: | 1.8V ~ 5.5V | 
| Current - Timekeeping (Max): | 10µA ~ 20µA @ 2.7V ~ 5V | 
| 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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                                    DS1307Z+T&RMaxim Integrated | 
                                
                                     IC RTC CLK/CALENDAR I2C 8-SOIC  | 
                                
                                     In Stock: 10,663 $3.21000  | 
                            
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                                    DS1672U-33Linear Technology (Analog Devices, Inc.) | 
                                
                                     I2C 32-BIT BINARY COUNTER RTC  | 
                                
                                     In Stock: 24,208 $1.88000  | 
                            
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                                    ISL12021CVZIntersil (Renesas Electronics America) | 
                                
                                     RTC, NON-VOLATILE  | 
                                
                                     In Stock: 1,386 $1.16000  | 
                            
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                                    ISL12022MAIBZ-TIntersil (Renesas Electronics America) | 
                                
                                     IC RTC CLK/CALENDAR I2C 20-SOIC  | 
                                
                                     In Stock: 0 $4.10820  | 
                            
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                                    MCP7940NT-I/STRoving Networks / Microchip Technology | 
                                
                                     IC RTC CLK/CALENDAR I2C 8-TSSOP  | 
                                
                                     In Stock: 364 $0.78000  | 
                            
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                                    RX8900CE:UA3Epson | 
                                
                                     IC RTC CLK/CALENDAR I2C 10-SMD  | 
                                
                                     In Stock: 0 $4.30000  | 
                            
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                                    DP8573AVXNational Control Devices | 
                                
                                     REAL TIME CLOCK, VOLATILE, 0 TIM  | 
                                
                                     In Stock: 2,230 $14.07000  | 
                            
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                                    RX-8025SA:AC3 PURE SNEpson | 
                                
                                     IC RTC CAL I2C/2-WIRE SER 14SOP  | 
                                
                                     In Stock: 0 $2.76500  | 
                            
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                                    ISL12026IBZIntersil (Renesas Electronics America) | 
                                
                                     IC RTC CLK/CALENDAR I2C 8-SOIC  | 
                                
                                     In Stock: 0 $3.54000  | 
                            
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                                    BQ4845YS-A4Texas Instruments | 
                                
                                     RTC, NON-VOLATILE, 1 TIMER(S)  | 
                                
                                     In Stock: 1,338 $3.76000  |