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DS1302ZN+
+StücklisteIC RTC CLK/CALENDAR SER 8-SOIC
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HerstellerAnalog Devices Inc./Maxim Integrated
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Herstellerteil #DS1302ZN+
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Paket SOIC-8
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Auf Lager1531
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
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Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year |
| TimeFormat | HH:MM:SS (12/24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage-Supply | 1.3V ~ 5.5V |
| Current-Timekeeping(Max) | 0.93µA ~ 1.1µA @ 3V ~ 5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP (0.173, 4.40mm Width) |
| Voltage-SupplyBattery | 1.3V ~ 5.5V |
| MemorySize | 31B |
| Series | Timekeeper® |
Übersicht
Description
The DS1302ZN+ operates using a low-power CMOS technology to ensure minimal power consumption, making it suitable for battery-operated devices. It communicates with a microcontroller via a simple serial interface that supports both clock and calendar data transfer. The module also includes a trickle charger to maintain the backup battery's charge.
The device supports dual power supplies, allowing for seamless switching between the main power and the backup battery. It is a popular choice for applications requiring accurate timekeeping with low power consumption, such as in embedded systems, data loggers, and other time-sensitive devices.
Equivalent
Features
1. RTC Functions: Tracks seconds, minutes, hours, day, date, month, and year with leap year compensation up to 2100.
2. Dual Power Supply: Supports a primary and backup power supply for continuous operation. It can switch between battery and main power seamlessly.
3. Low Power Operation: Consumes minimal power, making it ideal for battery-operated devices.
4. Trickle Charger: Includes an integrated trickle charger for backup power source maintenance.
5. Serial Interface: Utilizes a simple three-wire serial interface (I/O, SCLK, and CE) for communication, compatible with SPI.
6. Data Retention: Ensures data retention with a lithium battery for over 10 years.
7. Clock Accuracy: Provides accuracy with an external 32.768 kHz crystal oscillator.
8. Temperature Range: Operates in a wide temperature range, suitable for various environments.
These features make the DS1302ZN+ suitable for a range of applications requiring reliable timekeeping and low power consumption.
Pinout
Here is a brief overview of its pins:
1. VCC2: Secondary power supply (battery backup).
2. VCC1: Primary power supply.
3. GND: Ground.
4. CLK: Serial Clock Input for SPI communication.
5. DAT: Data Input/Output for SPI communication.
6. RST: Reset Input; used to initiate communication.
7. X1: Connected to an external crystal oscillator (typically 32.768 kHz).
8. X2: Connected to an external crystal oscillator.
The DS1302ZN+ can operate in a wide voltage range and includes features like clock/calendar, RAM, and trickle-charge. It uses a simple serial interface to communicate with microcontrollers.
Manufacturer
Application
1. Consumer Electronics: Used in devices like DVRs, cameras, and gaming consoles to maintain accurate time and date.
2. Industrial Systems: Facilitates time-stamping in control systems and machinery.
3. Computers and Networking: Maintains system time during power-off conditions.
4. Home Automation: Integrates into smart home devices for scheduling and automation tasks.
5. Embedded Systems: Used in microcontroller-based projects requiring time management.
These applications leverage the DS1302ZN+ for its battery-backed memory, low power consumption, and ability to retain time/date data even when the main system power is off.