| Allicdata Part #: | DS1685E-3/T&R-ND |
| Manufacturer Part#: |
DS1685E-3/T&R |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Maxim Integrated |
| Short Description: | IC RTC CLK/CALENDAR PAR 24-TSSOP |
| More Detail: | Real Time Clock (RTC) IC Clock/Calendar 242B Paral... |
| DataSheet: |  DS1685E-3/T&R Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Interface: | Parallel |
| Base Part Number: | DS1685 |
| Supplier Device Package: | 24-TSSOP |
| Package / Case: | 24-TSSOP (0.173", 4.40mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | 0°C ~ 70°C |
| Current - Timekeeping (Max): | 2mA @ 3V |
| Voltage - Supply, Battery: | 2.5 V ~ 3.7 V |
| Voltage - Supply: | 2.7 V ~ 3.7 V |
| Series: | -- |
| Date Format: | YY-MM-DD-dd |
| Time Format: | HH:MM:SS (12/24 hr) |
| Memory Size: | 242B |
| Features: | Alarm, NVSRAM, Square Wave Output, Y2K |
| Type: | Clock/Calendar |
| Part Status: | Obsolete |
| Packaging: | Tape & Reel (TR) |
Description
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,DS1685E-3/T&R is a real-time clock (RTC) integrated circuit designed for a wide variety of mobile and embedded systems. It provides an accurate, low-power, low-cost solution for timekeeping applications, including calendar and alarm functions. As a RTC, it combines a calendar, clock, and alarm functions on a single chip, which enables timing applications to be implemented in a single chip.The DS1685E-3/T&R features a programmable clock, allowing it to be programmed to run at different speeds or with different functions. This allows DS1685E-3/T&R to be used in a variety of applications. For example, it can be used to schedule tasks, keep track of events, or measure elapsed time with precise accuracy. The DS1685E-3/T&R also includes advanced features such as an oscillator-fail detect, which will help ensure reliable operation.The DS1685E-3/T&R has a 64 x 32-bit RAM for storing data, and also includes a supply voltage monitor and watchdog timer. The watchdog timer is designed to detect and correct errors in system operation, and can be used for time-out functions. The DS1685E-3/T&R also has an oscillator, a calibration counter, and a temperature-compensated oscillator.The DS1685E-3/T&R has several applications fields. It can be used in a variety of embedded systems, including automotive, industrial, and consumer electronics. It can also be used in home automation systems and medical/healthcare devices.The DS1685E-3/T&R is an excellent choice for many timing applications due to its low-cost, low-power operation and accurate timing performance. Its wide range of features allows it to be used in different applications, and its high performance and reliability make it an ideal choice for long-term use.In terms of working principle, the DS1685E-3/T&R works by using a quartz crystal oscillator as its time base. The quartz oscillator generates a high-frequency signal which is then divided down to create a lower frequency signal which is used for timekeeping. The timekeeping is regulated by the programmable clock, which is programmed to adjust the timekeeping frequency according to the internal clock, thus ensuring an accurate and reliable timekeeping.Additionally, the DS1685E-3/T&R also uses a calibration counter to ensure that the timekeeping frequency remains accurate. The calibration counter counts the number of cycles of the quartz oscillator and compares it to the internal clock, and if the difference is greater than a certain limit, then the frequency of the quartz oscillator is adjusted to maintain accuracy.Finally, the DS1685E-3/T&R also includes an oscillator-fail detect feature, which allows it to detect when the quartz oscillator has failed and switch over to the internal clock as a backup. This ensures that all timing applications continue to function even if the quartz oscillator fails.In conclusion, the DS1685E-3/T&R is an ideal choice for a range of timing application fields, including automotive, industrial, and consumer electronics, home automation systems and medical/healthcare devices. The DS1685E-3/T&R is an accurate and reliable solution, combining a quartz crystal oscillator and a programmable clock in order to ensure precise timing performance and a high level of reliability.
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