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PT7C4337UEX
+BOMIC RTC CLK/CALENDAR I2C MSOP
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ManufacturerDiodes Incorporated
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Mfr. Part #PT7C4337UEX
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Datasheet PT7C4337UEX DataSheet
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Package MSOP-8
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In Stock7453
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Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage - Supply | 1.8V ~ 5.5V |
| Current - Timekeeping(Max) | 0.8µA @ 1.3V ~ 1.8V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Overview
Description
The PT7C4337UEX is valued for its reliability and accuracy, making it ideal for various applications, including computers, telecommunications, and consumer electronics. It often interfaces with microcontrollers via standard communication protocols like I2C, allowing easy integration and control. The RTC can be programmed and read using these protocols, offering flexibility in how time and date data is managed by the host system. Its compact size and efficient operation make it a preferred choice for developers looking to implement time-sensitive features in their products.
Equivalent
1. DS1307 - A widely used RTC from Maxim Integrated.
2. DS3231 - Another RTC from Maxim, offering higher accuracy.
3. PCF8563 - A low-power RTC from NXP Semiconductors.
4. PCF8523 - A more advanced RTC from NXP with additional features.
5. RX-8025SA - A high-precision RTC from Epson.
These alternatives are chosen based on their similar functionality and application areas.
Features
1. Timekeeping: Provides year, month, day, weekday, hours, minutes, and seconds.
2. Low Power Consumption: Ensures extended battery life, suitable for portable devices.
3. Wide Range of Operating Voltage: Operates from a broad voltage range, enhancing compatibility.
4. Alarm Functionality: Programmable alarms that can be used for alerting or triggering events.
5. Timer Function: In-built countdown timer for various applications.
6. I2C Interface: Communicates via I2C, allowing easy integration with microcontrollers.
7. Backup Battery: Supports battery backup to maintain timekeeping during power failures.
8. Temperature Compensation: Provides accurate timekeeping across temperature variations.
9. Clock Output: Offers a square wave output for driving other devices or synchronization purposes.
10. Compact Package: Available in a small package, making it suitable for space-constrained applications.
These features make the PT7C4337UEX an ideal choice for applications requiring accurate and reliable timekeeping.
Pinout
Manufacturer
Application
1. Consumer Electronics: Devices like digital cameras, TVs, and home appliances for maintaining time and scheduling tasks.
2. Industrial Equipment: Used in automation systems for time-stamping events and scheduling operations.
3. Computers and Servers: For maintaining time during power cycles and ensuring accurate event logging.
4. Automotive Systems: In car infotainment systems and other electronic modules for time tracking.
5. Communication Devices: Smartphones and networking equipment for synchronization purposes.
6. Wearable Devices: For tracking time in fitness trackers and smartwatches.
The device is valued for its low power consumption and accuracy.