The Maxim DS3234SN#T&R is an extremely accurate temperature-compensated real-time clock with an integrated TCXO and crystal, achieving ±2 ppm accuracy over 0°C to +40°C. It offers an SPI interface, two time-of-day alarms and 256 bytes of battery-backed SRAM. Supplied in a 20-pin SOIC on tape-and-reel, it suits precision timekeeping and data logging.
Key Specifications
| Manufacturer | Analog Devices / Maxim Integrated |
| Exact Manufacturer Part Number | DS3234SN#T&R |
| Product Category | Clock/Timing – Real Time Clocks |
| Series / Family | DS3234 |
| Package / Case | SO-20 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C to +85°C |
| Power Supply | 2.3 V to 5.5 V |
| Accuracy | ±2 ppm (0°C to +40°C) |
| Interface | SPI |
| Features | Integrated TCXO and crystal |
| Battery | Backup input |
| SRAM | 256 bytes |
| Alarms | 2 time-of-day |
| Lifecycle Status | Restricted Availability |
| Official Documentation | View official documentation |
Key Features
- Extremely accurate ±2 ppm temperature-compensated RTC
- Integrated crystal and TCXO
- SPI interface
- Two time-of-day alarms
- 256 bytes of battery-backed SRAM
- 20-pin SOIC
- Widely used in industrial, consumer and embedded electronic designs
- Available for fast quotation through CHIPER
Applications
- Precision timekeeping
- Data loggers
- Instrumentation
- Industrial controllers
Sourcing
Availability, lead time, date code and commercial terms are subject to confirmation at the time of quotation.
Quality
CHIPER sources brand-new, unused components and provides quality inspection, shortage and long lead-time sourcing, and one-stop BOM procurement. Every part is verified before shipment.
FAQ
How accurate is the DS3234?
It is accurate to ±2 ppm over 0°C to +40°C thanks to its integrated TCXO.
What interface does the DS3234 use?
It uses a high-speed SPI interface.