Professional IC Distribution & Technical Solutions

The DS3232MZ+TRL is a highly accurate, I²C-integrated real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal, manufactured by Maxim Integrated (now part of Analog Devices).

Key Specifications:

• Accuracy: ±2ppm from 0°C to +40°C (±3.5ppm from -40°C to +85°C)
• Supply Voltage: 2.3V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: I²C (up to 400kHz)
• Battery Backup Voltage: 2.3V to 5.5V
• Timekeeping Current (Battery Mode): ~1.3µA (typical)
• Integrated 32.768kHz Crystal: Yes (factory calibrated)
• Alarms: Two time-of-day alarms
• Square-Wave Output: Programmable (1Hz, 1.024kHz, 4.096kHz, 8.192kHz)
• SRAM: 236 bytes of battery-backed user SRAM
• Package: 8-pin SOIC (150mil)

Descriptions:

The DS3232MZ+TRL is a low-cost, extremely accurate RTC with an integrated TCXO and crystal. It maintains timekeeping with minimal power consumption in battery-backed mode. The device compensates for crystal frequency drift due to temperature variations, ensuring high precision. It also includes a built-in temperature sensor and provides alarms, a programmable square-wave output, and nonvolatile SRAM for data storage.

Features:

• High Accuracy: ±2ppm timekeeping accuracy
• Integrated Crystal: Eliminates the need for an external crystal
• Battery Backup: Maintains timekeeping and SRAM during power loss
• Temperature Sensor: Automatic compensation for crystal drift
• I²C Interface: Simple communication with microcontrollers
• Two Time-of-Day Alarms: Configurable interrupts
• Programmable Square-Wave Output: Multiple frequencies available
• Nonvolatile SRAM: 236 bytes of battery-backed memory

This device is commonly used in applications requiring precise timekeeping, such as industrial systems, medical devices, data loggers, and embedded systems.