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DS1302Z
+Lista de MateriaisIC RTC CLK/CALENDAR SER 8SOIC
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #DS1302Z
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Especificações
| Atributo | Valor |
| PartStatus | Obsolete |
| DigiKeyProgrammable | Not Verified |
| Type | Clock/Calendar |
| Features | Leap Year, NVSRAM, Trickle-Charger |
| MemorySize | 31B |
| TimeFormat | HH:MM:SS (12/24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | 3-Wire Serial |
| Voltage-Supply | 2V ~ 5.5V |
| Voltage-Supply,Battery | 2V ~ 5.5V |
| Current-Timekeeping(Max) | 0.3µA ~ 1µA @ 2V ~ 5V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154", 3.90mm Width) |
| SupplierDevicePackage | 8-SOIC |
| BaseProductNumber | DS1302 |
Visão Geral
Description
Key features include:
1. Timekeeping: Provides seconds, minutes, hours, day, date, month, and year information.
2. Low Power Consumption: Operates on low power, making it ideal for battery-powered devices.
3. Temperature Compensated Crystal Oscillator: Enhances time accuracy.
4. Alarm and Interrupt Functionality: Supports programmable alarms and interrupts for time-based events.
5. User-Friendly Interface: Simple SPI-like communication protocol for ease of use.
Common applications include digital clocks, timers, data loggers, and other time-sensitive electronic devices. The DS1302Z is an excellent choice for projects requiring precise timekeeping with minimal resources.
Equivalent
Features
1. Timekeeping: It maintains seconds, minutes, hours, day, date, month, and year information, including leap year compensation.
2. Battery Backup: It can operate on a backup battery, ensuring timekeeping accuracy even when the main power is off.
3. Serial Interface: Communicates using a simple 3-wire serial interface (Data, Clock, and Chip Select), making it easy to integrate with microcontrollers.
4. Low Power Consumption: Designed for low power usage, ideal for battery-operated devices, consuming only a few microamperes in standby mode.
5. Programmable Square Wave Output: Offers a square wave output with selectable frequencies (1 Hz, 4 kHz, 8 kHz, and 32 kHz).
6. Alarm Functionality: Supports programmable alarms for time-based events.
7. Temperature Compensation: Built-in temperature compensation for improved timekeeping accuracy.
8. Easy Set-Up: Simple initialization and configuration for time and date settings.
The DS1302Z is widely used in embedded systems, clocks, and various time-sensitive applications.
Pinout
1. VCC (Pin 1): Power supply input (typically +3V to +5V).
2. GND (Pin 2): Ground reference.
3. SCLK (Pin 3): Serial clock input; used to synchronize data transmission.
4. IO (Pin 4): Bidirectional data input/output; used for serial communication.
5. RST (Pin 5): Reset input; initializes the device when brought high.
6. SQW (Pin 6): Square wave output; can provide a square wave signal or an interrupt signal.
7. VBAT (Pin 7): Battery backup input; powers the RTC during main power loss.
8. NC (Pin 8): No connection; reserved for future use.
The DS1302Z provides timekeeping functions and features programmable square wave output, making it suitable for various timekeeping applications.
Manufacturer
Application
1. Embedded Systems: For timing tasks in microcontroller-based designs.
2. Data Logging: In devices that record time-stamped data, such as weather stations and industrial monitors.
3. Alarm Clocks: For scheduling alarms and timers.
4. Consumer Electronics: In appliances and gadgets requiring real-time functions.
5. Automated Systems: In control systems for time-based operations.
6. Time-Stamping: In security systems and transaction logs.
Its low power consumption and battery backup make it suitable for various time-sensitive applications.