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PT7C4311WEX
+BOMIC RTC CLK/CALENDAR I2C 8-SOIC
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제조업체다이오즈(주)
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제조업체 부품 #PT7C4311WEX
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데이터시트 PT7C4311WEX DataSheet
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패키지 8-SOIC
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재고7249
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사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Clock/Calendar |
| Features | Leap Year, Square Wave Output, Y2K |
| MemorySize | 56B |
| TimeFormat | HH:MM:SS (24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage-Supply | 1.2V ~ 5.5V |
| Voltage-SupplyBattery | 2V ~ 5.5V |
| Current-Timekeeping(Max) | 70µA @ 1.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
개요
Description
Key features of the PT7C4311WEX include its ability to maintain time in hours, minutes, and seconds, as well as keep track of date information such as day, month, and year, often including leap year correction. It usually communicates with a microcontroller via I2C or SPI interfaces, allowing for easy integration into various systems.
The RTC is often used in consumer electronics, embedded systems, and industrial applications where precise timekeeping is essential. Its compact size, low power consumption, and reliability make it a versatile solution for maintaining accurate time and date in a wide range of electronic products.
Equivalent
Features
1. Time-Keeping Functions: It manages time in seconds, minutes, hours, days, date, month, and year, with leap year compensation up to 2100.
2. Low Power Consumption: Optimized for minimal power usage, making it suitable for battery-operated devices.
3. I2C Interface: Offers an I2C serial interface for easy communication with microcontrollers.
4. Alarm Functionality: Includes programmable alarms for specific times, enhancing functionality for alert applications.
5. Backup Battery Switchover: Automatically switches to a backup battery in case of main power failure, ensuring continuous time-keeping.
6. Programmable Square-Wave Output: Provides a selectable square-wave clock output for synchronization purposes.
7. Wide Operating Voltage Range: Compatible with a broad range of power supply voltages, increasing its versatility in various applications.
8. Compact Package: Available in small package sizes, facilitating integration into space-constrained designs.
These features make the PT7C4311WEX suitable for a variety of time-sensitive applications in consumer electronics, industrial systems, and more.
Pinout
1. VCC (Pin 1): Supply voltage input.
2. X1 (Pin 2): Oscillator input. Connects to an external 32.768 kHz crystal.
3. X2 (Pin 3): Oscillator output. Connects to the other terminal of the external crystal.
4. GND (Pin 4): Ground.
5. SDA (Pin 5): Serial data line for I2C communication.
6. SCL (Pin 6): Serial clock line for I2C communication.
7. CE (Pin 7): Chip enable for accessing the device.
8. INT (Pin 8): Interrupt output, serves as an alarm or clock output.
The PT7C4311WEX uses an I2C interface for communication and can be used to keep track of time and date in various applications. The device is designed for low power consumption, making it suitable for battery-operated devices. For detailed specifications, consult the manufacturer's datasheet.