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DS3234SN#T&R
+Lista de MateriaisIC RTC CLK/CALENDAR SPI 20-SOIC
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #DS3234SN#T&R
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Pacote SOIC-20
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Em Estoque6867
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal |
| Memory Size | 256B |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | SPI |
| Voltage - Supply | 2V ~ 5.5V |
| Voltage - Supply, Battery | 2V ~ 3.8V |
| Current - Timekeeping(Max) | 120µA ~ 160µA @ 3.63V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
This module is ideal for use in systems that require precise timekeeping, such as data loggers, telecommunications equipment, and consumer electronics. It operates over a wide temperature range and includes a battery backup input for maintaining time and date during power outages. The DS3234SN#T&R's compact design and surface-mount packaging (T&R stands for tape and reel, suitable for automated assembly) make it suitable for integration into small-scale, high-density circuit boards. Overall, this RTC module provides reliable and accurate timekeeping capabilities essential for many electronic applications.
Equivalent
1. DS3231SN#T&R - Similar RTC with TCXO by the same manufacturer.
2. RV-3028-C7 - A low power RTC with TCXO by Micro Crystal.
3. MCP7940N-I/ST - RTC with battery-switchover by Microchip (note: lacks integrated TCXO).
4. PCF85263A - RTC with wide voltage range by NXP (note: lacks integrated TCXO).
Each has unique features; verify compatibility with your specific requirements.
Features
1. Temperature-Compensated Crystal Oscillator (TCXO): Provides high accuracy in timekeeping with minimal drift due to temperature changes.
2. SPI Interface: Utilizes a Serial Peripheral Interface for communication, making it easy to integrate with microcontrollers.
3. Battery Backup: Includes a battery backup input to maintain timekeeping during power failures.
4. Alarm and Timer Functions: Offers programmable alarm and square-wave output capabilities.
5. 32-Bit Timekeeping Registers: Supports timekeeping up to 2100 with a leap-year compensation.
6. Programmable Square-Wave Output: Allows for the generation of square-wave signals at various frequencies.
7. 32.768 kHz Output: Provides a precise frequency output for clocking or calibration purposes.
8. Temperature Sensor: Includes an integrated sensor for ambient temperature measurement.
9. Non-Volatile RAM: Contains 256 bytes of battery-backed static RAM.
10. Wide Temperature Range: Operates over a broad temperature range, making it suitable for various applications.
These features make the DS3234SN#T&R suitable for applications requiring precise timekeeping and temperature stability.
Pinout
The key features of the DS3234 include:
- Timekeeping down to seconds with leap year compensation up to 2099.
- An onboard TCXO for high accuracy.
- SPI interface for easy communication with microcontrollers and other digital systems.
- Two time-of-day alarms.
- Battery backup input for power failure situations, maintaining timekeeping.
This module is typically used in applications where precise timekeeping is essential, such as in data loggers, industrial automation, and other embedded systems.
Manufacturer
Application
1. Timekeeping in Electronics: Ideal for maintaining accurate time in computers, servers, and embedded systems.
2. Consumer Electronics: Used in devices like digital cameras, camcorders, and home audio systems for clock functionalities.
3. Industrial Automation: Provides precise timing for automated processes and equipment monitoring.
4. Telecommunications: Ensures accurate time-stamping for data logging and network synchronization.
5. Medical Devices: Supports time-sensitive applications in diagnostic equipment.
6. IoT Devices: Offers reliable timekeeping for smart devices and wireless sensor networks.
7. Automotive Systems: Used in navigation systems and infotainment units for time management.
These applications benefit from its temperature-compensated crystal oscillator (TCXO) and battery backup capabilities.