DS1672U-33+T&R

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The DS1672U-33+T&R is a versatile Real Time Clock (RTC) made for convenient applications by Dallas Semiconductor. Basically, a real time clock maintains the time and date calculation from the internal oscillator, battery power backup and a quartz-crystal oscillator. It also assists a wide range of user-defined operations. The DS1672U-33+T&R helps save time and cost of monitoring and controlling operations using its unique features for controlling time and date calculations.

The DS1672U-33+T&R is mainly targeted at low pin count, small package, low power and long life applications. The main features of the Real Time Clock are: precision time keeping, low power circuitry, extreme temperature range, low-voltage operation, tamper-resistant package, extensive suspension of power and high signal to noise ratio.

This model was designed to be used in PC clock/calendar applications and other applications that require time keeping accuracy like point of sale, alarm and control, event control and alarm systems. Indicating the correct date and time on all data systems and providing motion alerts, alarms and remote access control is essential in many modern critical operations in many industries from banking and finance to medical clinics and military applications.

Since the DS1672U-33+T&R was designed for low-power operation, its batteries have a lifespan of up to 10 years under normal operating conditions. Coupled with its extended temperature range, this makes the part ideal for most time clock applications. Additionally, the device also includes a 32 kHz quartz-crystal oscillator that ensures stable Time of Day (TOD) operations and precision time keeping. This ensures the accuracy of time and date calculations over multiple years.

The DS1672U-33+T&R can be easily integrated into computer systems and with its dedicated System Management Bus (SMBus) and I2C compatible bus interfaces, efficient communication is enabled with other components like microcontrollers, digital signal processors and other peripheral components for convenient time, system and time synchronization operations. The device also includes special requirements like automatic daylight savings time (DST), which gives more control over time operations.

To further enhance security, the DS1672U-33+T&R also includes a number of protective features like on-chip tamper detection, tamper-proof or automatic POWER OFF when power levels dip to a specific level. Additionally, it also has the capability to automatically increase system power up to 1.8V to quickly boost low battery power. This ensures continuous operation even when power levels become critically low.

Overall, the DS1672U-33+T&R is an extremely versatile and powerful Real Time Clock suitable for a variety of mission critical applications. Its battery life and accuracy make it a reliable choice for any system that requires precise time and date calculations. Its extensive suspension of power and tamper-resistant package makes it a great choice for security and access control services.

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