Professional IC Distribution & Technical Solutions

The DS1708TESA+T&R is a real-time clock (RTC) module manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: Maxim Integrated
• Part Number: DS1708TESA+T&R
• Package: 8-pin SOIC (T&R denotes Tape and Reel packaging)
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Clock Accuracy: ±2 minutes per month at 25°C
• Timekeeping Current: 500nA (typical)
• Interface: I²C (2-wire serial)
• Battery Backup Support: Yes (for continuous timekeeping)
• Integrated Crystal: Yes (32.768kHz)

Descriptions:

• The DS1708 is a low-power RTC with an embedded crystal oscillator, eliminating the need for an external crystal.
• It provides seconds, minutes, hours, day, date, month, and year information with automatic leap-year compensation.
• Features a battery backup input to maintain timekeeping during power loss.
• The I²C interface allows easy communication with microcontrollers.

Features:

• Integrated Crystal Oscillator – No external crystal required.
• Low Power Consumption – 500nA timekeeping current (typical).
• Wide Voltage Range – Operates from 2.7V to 5.5V.
• Battery Backup Support – Ensures uninterrupted timekeeping.
• Automatic Leap-Year Compensation – Valid up to year 2100.
• I²C Serial Interface – Simple two-wire communication.
• Industrial Temperature Range (-40°C to +85°C).

This RTC is commonly used in embedded systems, data loggers, and industrial applications requiring accurate timekeeping.

(Note: The DS1708 has been succeeded by newer Maxim RTC models, but remains available for legacy designs.)