Clocks and Timers

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Real-time Clocks

HPA Clock Generators
  • U-500 Using the bq4845 for a Low-Cost RTC/NVSRAM Subsystem (slua031.HTM, 8 KB)
    05 Sep 1999 Abstract
  • U-502 Time-Base Oscillator for RTC IC (slua051.HTM, 8 KB)
    05 Sep 1999 Abstract
 

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Integrated CPU Supv (10) External SRAM Control (9)
RAM Clear Function (6) spacer
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Supply Voltage (V) Pin/Package Bus Interface Approx. Price (US$) Memory Density (Kb) Operating Temp Range (Celsius) RTC Bytes
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24 Results - Show All Results 1 - 10 of 24 Results |  Next >Page  1 | 2 | 3  

Part Number  Status  Supply Voltage (V)  Bus Interface  Numeric Price for Sort  Memory Density (Kb)  RTC Bytes  Integrated CPU Supv  RAM Clear Function  External SRAM Control  Pin/Package  Approx. Price (US$)  
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BQ32000NEW
ACTIVE  
3.3  I2C  .75            8SOIC0.75 | 1ku  Serial RTC  
BQ3285ACTIVE  5  Multiplexed  2.1  0.114      Yes    24PDIP
24SOIC
2.10 | 1ku  RTC IC with 114x8 NVSRAM  
BQ3285EACTIVE  5  Multiplexed  2.1  0.242  14    Yes    24PDIP
24SOIC
24SSOP/QSOP
2.10 | 1ku  RTC IC with 242x8 NVSRAM Alarm Wake-up  
BQ3285LDACTIVE  3  Multiplexed  2.1  0.242  14    Yes    24SSOP/QSOP2.10 | 1ku  ACPI Compliant RTC IC W 242x8 NVSRAM Alarm Wake-up Dedicated 32kHz Output 3V Op on L Version  
BQ3285LFACTIVE  3  Multiplexed  2.1  0.242  14    Yes    24SSOP/QSOP2.10 | 1ku  Y2K Enhanced ACPI Compliant RTC IC w 240x8 NVSRAM, Alarm Wake-up 3.3V op 32kHz Dedicated Output  
BQ3287ACTIVE  5  Multiplexed  4.2  0.114  14        24DIP MODULE4.20 | 1ku  RTC Module with 114x8 NVSRAM, RAM Clear Input on A Version  
BQ3287AACTIVE  5  Multiplexed  4.2  0.114  14    Yes    24DIP MODULE4.20 | 1ku  RTC Module With 114x8 NVSRAM, RAM Clear Input on A Version  
BQ3287EACTIVE  5  Multiplexed  4.2  0.242  14        24DIP MODULE4.20 | 1ku  RTC Module With 242x8 NVSRAM, Alarm Wake-up, RAM Clear Input on EA Version  
BQ3287EAACTIVE  5  Multiplexed  4.2  0.242  14    Yes    24DIP MODULE4.20 | 1ku  RTC Module w 242x8 NVSRAM Alarm Wake-up RAM Clear Input on EA Version  
BQ4285ACTIVE  5  Multiplexed  2.9  0.114  14      Yes  24PDIP
24SOIC
2.90 | 1ku  RTC IC With 114x8 NVSRAM and NVSRAM Control  
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