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        DS1338Z-33+T&R Maxim Integrated | 
        Real Time Clock Serial 56Byte 8-Pin SOIC N T R Download PDF datasheet for DS1338Z-33+T&R.pdf | 
        
    
         
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        DS1307ZN+ Maxim Integrated | 
        Real Time Clock Serial 56Byte 8-Pin SOIC N Download PDF datasheet for DS1307ZN+.pdf | 
        
    
         
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        PCF8523T 1,118 NXP | 
        Real Time Clock Serial 8-Pin SO T R Download PDF datasheet for PCF8523T 1,118.pdf | 
        
    
         
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        MCP7940NT-I MNY Microchip | 
        Real Time Clock Serial 64Byte 8-Pin TDFN EP T R Download PDF datasheet for MCP7940NT-I MNY.pdf | 
        
    
         
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        PCF8523TS 1,112 NXP | 
        Real Time Clock Serial 14-Pin TSSOP Tube Download PDF datasheet for PCF8523TS 1,112.pdf | 
        
    
         
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        DS1339U-2+T&R Maxim Integrated | 
        Real Time Clock Serial 8-Pin uMAX T R Download PDF datasheet for DS1339U-2+T&R.pdf | 
        
    
         
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        DS3234S#T&R Maxim Integrated | 
        Real Time Clock Serial 256Byte 20-Pin SOIC W T R Download PDF datasheet for DS3234S#T&R.pdf | 
        
    
         
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        ISL1208IU8Z-TK Intersil | 
        Real Time Clock Serial 2Byte 8-Pin MSOP T R Download PDF datasheet for ISL1208IU8Z-TK.pdf | 
        
    
         
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        BQ3285LFSS-A1TR Texas Instruments | 
        Real Time Clock Multiplexed 242Byte 24-Pin SSOP T R Download PDF datasheet for BQ3285LFSS-A1TR.pdf | 
        
    
         
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        PT7C4337WEX Diodes Incorporated | 
        I2C Interface and low time keeping voltage RTC Download PDF datasheet for PT7C4337WEX.pdf |