ISL1219IUZ

ISL1219IUZ Introduction

The ISL1219IUZ is a Real Time Clock (RTC) device that is designed to provide highly accurate time and date reference. It is an active low power Real Time Clock device which accurately keeps track of time and provides timing functions even when it is not connected to an external power source. The ISL1219IUZ is an ideal choice for applications requiring a reliable and low power time stamping capability.

Application Fields

The ISL1219IUZ can be used in numerous applications that require accurate timekeeping. These devices are most often found in embedded systems and are commonly used in applications such as:

• Data loggers
• Timing systems
• Security systems
• Telecommunication systems
• Environmental monitoring systems
• Medical monitoring systems
• Test and measurement systems
• Industrial control systems

The ISL1219IUZ is also suitable for less demanding applications such as hard disk drive (HDD) spin-up, automatic computer shut down and wake-up, and network or disk-based time synchronization.

Features

The ISL1219IUZ features a wide operating temperature range, low power consumption, and a simple programming interface. It supports Electronic Time Setting (ETS) and requires no external clock crystal or other components. The device offers additional features such as:

• 2-wire and I2C interface
• Programmable interrupt pulse generator
• Real-time clock calendar counts seconds and minutes
• Real-time clock calendar time and date functions
• Leading zero suppress and alarmmasking function
• Compensation voltage generation
• External battery input
• Low battery indication
• Factoring calibration and frequency calibration registers
• Bus start and Stop acknowledge
• Arbitrary interrupts
• Programmable timer

Working Principle

The ISL1219IUZ works by connecting to a 2-wire or I2C interface for low-power operation. The device also requires an external battery input to maintain accurate timekeeping when the main power source is disconnected. The device is designed to automatically turn off the power-hungry features when the device is not being used.When the device is operated, it counts time by using its built-in clock and calendar logic. The time is counted in seconds, minutes, and day of week, month, and year. The device also supports an alarm register that can keep track of time for up to 999 days and has a programmable pulse generator for generating accurate timing signals. The device also contains a voltage compensation system to adjust the internal clock frequency to ensure accurate timing even as the battery power fluctuates.Furthermore, the device can also be configured to synchronize its internal clock to an external clock frequency. This external clock synchronization feature can be used to ensure that the device consistently maintains accurate timekeeping even when the battery power is disconnected.

Conclusion

The ISL1219IUZ Real Time Clock device is an ideal choice for applications that require highly accurate timekeeping. Its low power operation, wide operating temperature range, and affordable price make it an attractive device for applications such as data loggers, timing systems, security systems, telecommunication systems, environmental monitoring systems, medical monitoring systems, test and measurement systems, and industrial control systems. It also contains various features such as its programmable interrupt pulse generator, voltage compensation system, and external clock synchronization that make it a reliable and versatile device.

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ISL1904FAZ-TK	Intersil	0.75 $	1000	IC LED DRIVER OFFL DIM 16...
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ISL1904FAZ-T7A	Intersil	1.23 $	1000	IC LED DRIVER OFFL DIM 16...
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ISL1903FAZ-T	Renesas Elec...	0.0 $	1000	IC LED DRIVER OFFL DIM 16...
ISL1903FAZ-TK	Renesas Elec...	0.0 $	1000	IC LED DRIVER OFFL DIM 16...
ISL1903FAZ-T7A	Renesas Elec...	0.0 $	1000	IC LED DRIVER OFFL DIM 16...
ISL1902FAZ	Renesas Elec...	0.0 $	1000	IC LED DRIVER OFFLINE DIM...
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ISL1902FAZ-T	Renesas Elec...	0.0 $	1000	IC LED DRIVER OFFLINE DIM...
ISL1902FAZ-T7A	Renesas Elec...	0.0 $	1000	IC LED DRIVER OFFLINE DIM...
ISL1557AIUEZ-T7	Intersil	--	1000	IC LINE DVR DIFF 300MHZ 1...
ISL1557AIUEZ	Intersil	--	1000	IC LINE DVR DIFF 300MHZ 1...
ISL1557AIRZ-T7S2705	Intersil	0.0 $	1000	IC LINE DVR DIFF 300MHZ 1...
ISL15102AIRZ-T13	Intersil	--	1000	ISL15102AIRZ PB-FREE SING...
ISL15102IRZ-T13	Intersil	--	1000	ISL15102IRZ PB-FREE SINGL...
ISL12057IUZ	Intersil	--	1062	IC RTC CLK/CALENDAR I2C 8...
ISL12057IBZ	Intersil	--	1935	IC RTC CLK/CALENDAR I2C 8...
ISL12058IRTZ	Intersil	--	1064	IC RTC CLK/CALENDAR I2C 8...
ISL12082IB8Z	Intersil	2.0 $	659	IC RTC CLK/CALENDAR I2C 8...
ISL1208IRT8Z	Intersil	2.04 $	814	IC RTC CLK/CALENDAR I2C 8...
ISL1220IUZ-T	Intersil	0.99 $	1000	IC RTC CLK/CALENDAR I2C 1...
ISL1208IU8Z-T7A	Intersil	1.53 $	1000	IC RTC CLK/CALENDAR I2C 8...
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ISL12026AIBZ	Intersil	2.31 $	1022	IC RTC CLK/CALENDAR I2C 8...
ISL1209IU10Z-TK	Intersil	1.19 $	1000	IC RTC EVENT REC I2C 10-M...
ISL12028IV27Z-T	Intersil	0.0 $	1000	IC RTC CLK/CALENDAR I2C 1...
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ISL12022MIBZ-T	Intersil	2.38 $	1000	IC RTC/CALENDAR TEMP SNSR...
ISL1208IB8Z	Intersil	--	13650	IC RTC CLK/CALENDAR I2C 8...
ISL12024IBZ	Intersil	3.02 $	100	IC RTC CLK/CALENDAR I2C 8...
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