Overview
The DS1307Z+T&R/C01 is a low-power, serial real-time clock (RTC) produced by Analog Devices Inc./Maxim Integrated. This component integrates a full binary-coded decimal (BCD) clock/calendar and 56 bytes of non-volatile (NV) SRAM. It is designed to manage all timekeeping functions, including seconds, minutes, hours, day, date, month, and year, with automatic adjustments for months with fewer than 31 days and leap-year compensation up to the year 2100. The device operates via an I²C serial interface and is available in various package options, including 8-pin DIP and 8-pin SOIC, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 8-Pin SOIC (Small-Outline IC, Narrow) |
| Temperature Range | -40°C to +85°C (Industrial Temperature Range) |
| Power Supply | Primary: 4.5V to 5.5V, Backup: 2.0V to 5.5V |
| Current Consumption | < 500nA in Battery-Backup Mode with Oscillator Running |
| Interface | I²C Serial Interface |
| Memory | 56 bytes of NV SRAM |
| Oscillator | External 32.768kHz Crystal |
| Output Signal | Programmable Square-Wave Output |
Key Features
- Completely manages all timekeeping functions, including seconds, minutes, hours, day, date, month, and year with leap-year compensation.
- 56 bytes of battery-backed, general-purpose RAM with unlimited writes.
- Programmable square-wave output signal.
- Simple serial port interfaces to most microcontrollers via I²C.
- Low power operation extends battery backup run time.
- Automatic power-fail detect and switch circuitry.
- Compact packaging options: 8-pin DIP and 8-pin SOIC.
Applications
The DS1307Z+T&R/C01 is suitable for a variety of applications where accurate timekeeping is essential, including:
- Embedded systems and microcontrollers.
- Industrial control systems.
- Medical devices.
- Consumer electronics.
- Automotive systems.
Q & A
- What is the primary function of the DS1307Z+T&R/C01? The primary function is to manage all timekeeping functions, including seconds, minutes, hours, day, date, month, and year.
- What type of interface does the DS1307Z+T&R/C01 use? It uses an I²C serial interface.
- What is the temperature range for the DS1307Z+T&R/C01? The temperature range is -40°C to +85°C.
- How much current does the DS1307Z+T&R/C01 consume in battery-backup mode? It consumes less than 500nA in battery-backup mode with the oscillator running.
- What type of memory does the DS1307Z+T&R/C01 have? It has 56 bytes of non-volatile (NV) SRAM.
- Does the DS1307Z+T&R/C01 have automatic power-fail detection? Yes, it has automatic power-fail detect and switch circuitry.
- What is the purpose of the SQW/OUT pin? The SQW/OUT pin provides a programmable square-wave output signal.
- Can the DS1307Z+T&R/C01 operate with an external oscillator? Yes, it can operate with an external 32.768kHz oscillator.
- What are the package options for the DS1307Z+T&R/C01? It is available in 8-pin DIP and 8-pin SOIC packages.
- Is the DS1307Z+T&R/C01 RoHS compliant? Yes, it is lead-free and RoHS compliant.
