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The Benchmarq BQ4852YMC-85 is a parallel interface real-time clock and calendar integrated circuit housed in a 36-pin DIP module package. It operates within a supply voltage range of 4.5V to 5.5V, with a maximum timekeeping current of 1mA under these conditions. The device supports a 24-hour time format (HH:MM:SS:hh) and a YY-MM-DD-dd date format. Designed for through-hole mounting, it functions within an operating temperature range of 0°C to 70°C. Key functional features include an alarm capability, a CPU supervisor, and a watchdog timer.
Verify the specific suffix '85' against official Benchmarq documentation to confirm any distinct electrical or mechanical variations compared to standard variants. Ensure the 36-DIP module form factor matches the target PCB footprint dimensions of 18.42mm x 52.96mm. Confirm that the 4.5V to 5.5V supply requirement aligns with the system power rails.
Select this component when a parallel interface is required instead of serial alternatives like I2C or SPI. The 36-pin DIP module package necessitates sufficient board space and through-hole assembly capabilities. Ensure the application environment remains within the 0°C to 70°C operating temperature range. Verify that the system can accommodate the 1mA maximum timekeeping current draw.
This part belongs to the Benchmarq real-time clock family, specifically designed as a parallel clock/calendar IC. It is distributed in tube packaging. The manufacturer identifies Benchmarq Microelectronics Inc as the source for this specific module configuration.
Cross-reference with other Benchmarq parallel RTC modules such as the BQ4845 series if pin compatibility allows. Verify that substitute parts support the same 36-pin DIP module form factor and parallel interface protocol.