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DS1307Z The Dallas Semiconductor DS1307Z is a serial real-time clock (RTC) featuring 56 bytes of battery-backed NV SRAM and an I2C interface. It operates at 5V and offers low power consumption.
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DS1307Z

Available from 2 distributors
Mfr Name: Dallas Semiconductor
Dallas Semiconductor
The Dallas Semiconductor DS1307Z is a serial real-time clock (RTC) featuring 56 bytes of battery-backed NV SRAM and an I2C interface. It operates at 5V and offers low power consumption.
✓ Total Stock: 269 pcs
$ Price Range: $0.30

DS1307Z Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Partservice ✓
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190 pcs
On Request
190 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
79 pcs
On Request
79 pcs On Request 1 On Request On Request 0626P/ On Request On Request
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DS1307Z Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS1307Z Description

Short technical summary and product information.

The DS1307Z from Dallas Semiconductor is a low-power, serial real-time clock (RTC) that manages all timekeeping functions, including seconds, minutes, hours, date, month, day of the week, and year with leap-year compensation valid up to 2100. It includes 56 bytes of battery-backed, general-purpose RAM with unlimited writes.

 

This RTC utilizes a simple I2C serial interface for communication with microcontrollers. It features automatic power-fail detection and switching to a backup supply, ensuring continuous timekeeping operation. The device consumes less than 500nA in battery-backup mode with the oscillator running, extending battery life.

 

The DS1307Z is available in an 8-pin SO package, minimizing space requirements. It supports an operating voltage of 5V and is rated for commercial temperature ranges from 0°C to +70°C, with an optional industrial range of -40°C to +85°C.

 

Key features include a programmable square-wave output signal and automatic adjustment for month-end dates, including leap year corrections. This makes the DS1307Z suitable for various applications requiring accurate timekeeping and data storage.

DS1307Z Quick Information

Product Type: Real-Time Clock (RTC)
Canonical Name: DS1307Z Serial Real-Time Clock (RTC)
Subcategory: Clock/Calendar ICs

DS1307Z Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS1307Z Estimated Pricing

Qty Low High
1+ $0.30 $0.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

DS1307Z Features

  • Manages all timekeeping functions accurately.
  • Includes 56 bytes of battery-backed RAM.
  • Simple I2C serial interface.
  • Low power consumption in backup mode.
  • Automatic power-fail detect circuitry.

DS1307Z Applications

  • Accurate timekeeping for embedded systems.
  • Data logging with battery backup.
  • Power monitoring applications.
  • Industrial control systems.
  • Consumer electronics devices.

DS1307Z FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the DS1307Z?

The DS1307Z operates at a nominal voltage of 5V.

What is the operating temperature range for the DS1307Z?

The DS1307Z has a commercial operating temperature range of 0°C to 70°C and an industrial range of -40°C to 85°C.

Does the DS1307Z manage leap years?

Yes, the DS1307Z includes leap-year compensation valid up to the year 2100.

How much general-purpose RAM is available on the DS1307Z?

The DS1307Z provides 56 bytes of battery-backed, general-purpose RAM.

What interface does the DS1307Z use?

The DS1307Z uses an I2C serial interface.

What is the power consumption of the DS1307Z in battery-backup mode?

In battery-backup mode with the oscillator running, the DS1307Z consumes less than 500nA.

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