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Description
IC RTC CLK/CALENDAR SPI 20-SOIC
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $65.47200 | US $58.92480 | US $58.92480 |
| ≥2: | US $65.47200 | US $58.92480 | US $117.84960 |
| ≥5: | US $61.10720 | US $54.99648 | US $274.98240 |
| ≥10: | US $61.10720 | US $54.99648 | US $549.96480 |
| ≥20: | US $61.10720 | US $54.99648 | US $1099.92960 |
| ≥30: | US $61.10720 | US $54.99648 | US $1649.89440 |
| ≥50: | US $61.10720 | US $54.99648 | US $2749.82400 |
| ≥100: | US $60.67072 | US $54.60365 | US $5460.36500 |
| ≥500: | US $60.23424 | US $54.21082 | US $27105.41000 |
Substitute (equivalent) Product
| Product Name | Description |
|---|---|
| DS3231SN | Highly accurate I2C real-time clock (RTC) with a temperature-compensated crystal oscillator (TCXO). |
| DS3232SN | Accurate RTC with integrated crystal, 236 bytes of SRAM, and a digital temp sensor |
| DS1307ZN | Low-cost, battery-backed I2C RTC with 56 bytes of NV RAM. |
| PCF8563T | Low-power CMOS RTC with alarm function, I2C interface |
| MCP7940NT | Low-cost I2C RTC with EEPROM, RAM, and unique ID features. |
Product Usage
The DS3234SN# is a highly accurate real-time clock (RTC) integrated circuit (IC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. This makes it ideal for applications requiring precise timekeeping. Here are some common circuits and applications where the DS3234SN# might be used:
Embedded Systems: The DS3234SN# can be used in embedded systems that require accurate timekeeping, such as microcontroller-based projects, industrial automation systems, and smart meters.
Data Loggers: In data logging applications, precise time stamps are crucial. The DS3234SN# ensures that the logged data has accurate time references. Examples include environmental monitoring, scientific research, and medical devices.
Networking Equipment: Accurate timing is essential for network synchronization. The DS3234SN# can be used in networking equipment, including routers, switches, and base stations, to maintain precise time across the network.
Consumer Electronics: Devices like smart appliances, clocks, and personal electronics often need accurate timekeeping for scheduling and logging purposes.
Security Systems: Security systems, including surveillance cameras and access control systems, benefit from precise timekeeping to ensure accurate logs of events and alarms.
Computing Systems: Accurate RTCs are used in computers, servers, and other IT infrastructure to maintain system time and date for file timestamps, logs, and scheduled tasks.
Telecommunication Systems: Telecommunications infrastructure requires precise timing for synchronization across different network elements, and the DS3234SN# can play a crucial role in these systems.
Wearable Devices: With the growing market for fitness trackers and smartwatches, accurate timekeeping ensures that health data and notifications are correctly timestamped.
A typical circuit using the DS3234SN# would include:
Power Supply Connections: The DS3234SN# would be connected to a regulated power supply, typically 3.3V or 5V, depending on the system requirements. It also has a backup battery connection to ensure it keeps time even when the main power is off.
I2C/SPI Interface: The DS3234SN# can communicate with a microcontroller or processor via the Serial Peripheral Interface (SPI). This interface allows time and date information to be read or set by the host system.
Interrupt/Alarm Output: The DS3234SN# includes programmable alarm functions that can trigger an interrupt to the host system at specified times, useful for waking the system or performing scheduled tasks.
Temperature Compensation: The integrated temperature sensor provides temperature data that the chip uses to maintain oscillator accuracy, ensuring the clock remains precise over a wide temperature range.
Here is a basic example of how you might connect the DS3234SN# to a microcontroller using the SPI interface:
RequiredMicrocontroller DS3234SN#
SCK ------------------> SCK
MOSI -----------------> SDI
MISO -----------------> SDO
CS ------------------> CS
GND ------------------> GND
VCC ------------------> VCC (3.3V or 5V, depending on your system)
INTn <----------------- INT/SQW
In the software running on the microcontroller, you would initialize the SPI interface and write functions to read and write the time/date information from/to the DS3234SN#.
Keep in mind that you would also typically handle the battery backup connection to ensure the RTC can maintain the timekeeping even when the main power supply is disconnected.
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DS3234SN#
DS3234SN# has several brands around the world that may have alternate names for DS3234SN# due to regional differences or acquisition. DS3234SN# may also be known as the following names:
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