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DS1340U-33+

Calendar 8-Pin μSOP

Quantity Unit Price(USD) Ext. Price
1 $1.840 $1.84
10 $1.606 $16.06
30 $1.459 $43.77
100 $1.309 $130.90
500 $1.240 $620.00
1000 $1.211 $1,211.00

Inventory:3,454

*The price is for reference only.
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Overview of DS1340U-33+

The DS1340U-33+ is a real-time clock (RTC) IC that features a built-in 32.768kHz oscillator and a battery backup input. It is designed to keep accurate time in various electronic devices, even when power is disconnected.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Positive Power Supply
  • GND: Ground
  • SDA: Serial Data
  • SCL: Serial Clock
  • VBAT: Battery Backup Input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the DS1340U-33+ IC for a visual representation.

Key Features

  • Real-Time Clock (RTC): Provides accurate timekeeping capabilities with a built-in oscillator.
  • Battery Backup: Includes a battery backup input (VBAT) to maintain timekeeping functionality during power loss.
  • Serial Interface: Utilizes I2C serial interface (SDA and SCL) for communication with microcontrollers or other devices.
  • Low Power Consumption: Operates with low power consumption, suitable for battery-operated devices.
  • Compact Package: Available in a compact and space-saving 8-pin μSOP package.

Note: For detailed technical specifications, please refer to the DS1340U-33+ datasheet.

Application

  • Embedded Systems: Ideal for timekeeping applications in embedded systems and microcontroller-based projects.
  • Consumer Electronics: Suitable for use in consumer electronics requiring accurate timekeeping functionality.
  • Industrial Automation: Used in industrial automation systems for scheduling and timing operations.

Functionality

The DS1340U-33+ is a real-time clock IC that provides precise timekeeping capabilities with battery backup support, ensuring reliable operation in various electronic applications.

Usage Guide

  • Power Supply: Connect VCC (Pin 8) to the positive power supply and GND (Pin 1) to ground.
  • Serial Communication: Use SDA (Pin 2) and SCL (Pin 3) for I2C serial communication with microcontrollers.
  • Battery Backup: Connect VBAT (Pin 4) to a battery to maintain timekeeping functionality during power loss.

Frequently Asked Questions

Q: How accurate is the DS1340U-33+ in timekeeping?
A: The DS1340U-33+ offers high accuracy in timekeeping, typically within a few seconds per month.

Q: Can the DS1340U-33+ be used with a rechargeable battery?
A: Yes, the DS1340U-33+ can be used with a rechargeable battery for extended battery life.

Equivalent

For similar functionalities, consider these alternatives to the DS1340U-33+:

  • DS3231: This is another RTC IC from Maxim Integrated, offering enhanced temperature compensation and accuracy.
  • MCP79410: A low-power RTC IC from Microchip Technology, suitable for battery-powered applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Real Time Clock RoHS Details
Mounting Style SMD/SMT Package / Case uSOP-8
RTC Bus Interface I2C, Serial Date Format YY-MM-DD-dd
Time Format HH:MM:SS Battery Backup Switching Backup Switching
Supply Voltage - Max 5.5 V Supply Voltage - Min 2.97 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Brand Analog Devices / Maxim Integrated Function Calendar, Clock, Trickle Charger
Operating Supply Current 192 uA Product Type Real Time Clocks
Series DS1340U Factory Pack Quantity 50
Subcategory Clock & Timer ICs Part # Aliases DS1340U 90-1340U+033
Unit Weight 0.000811 oz

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