DS1307Z+T&R

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DS1307Z+T&R

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IC RTC CLK/CALENDAR I2C 8-SOIC

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Spezifikationen

Attribut Wert
Supplier Analog Devices Inc./Maxim Integrated
Package / Case Tape & Reel (TR)
Part Status Obsolete
Type Clock/Calendar
Features Leap Year, NVSRAM, Square Wave Output
Memory Size 56B
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Interface I²C, 2-Wire Serial
Voltage - Supply 4.5V ~ 5.5V
Voltage - Supply, Battery 2V ~ 3.5V
Current - Timekeeping(Max) 200µA @ 5V
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount

Übersicht

Description

The DS1307Z+T&R is a low-power, I²C real-time clock (RTC) module from Maxim Integrated (now part of Analog Devices). It provides seconds, minutes, hours, day, date, month, and year data with automatic leap-year compensation (up to 2100).
Key features:
- 56-byte NV RAM for data storage.
- I²C interface (up to 400kHz) for easy microcontroller communication.
- Battery backup support for continuous timekeeping during power loss.
- Low power consumption (under 500nA in battery mode).
- Industrial temperature range (-40°C to +85°C).
The "T&R" suffix indicates it comes in tape-and-reel packaging for automated assembly.
Commonly used in embedded systems, IoT devices, and data loggers for accurate timekeeping. Requires an external 32.768kHz crystal and backup battery for operation.
For more details, refer to the official DS1307 datasheet.

Features

The DS1307Z+T&R is a low-power, I²C real-time clock (RTC) with battery backup. Key features:
- I²C Interface: Simple serial communication (up to 400kHz).
- Timekeeping: Tracks seconds, minutes, hours, day, date, month, and year (with leap-year compensation up to 2100).
- Battery Backup: Operates from a 3V coin cell when main power fails.
- Low Power: Consumes <500nA in battery mode.
- 56-Byte NV RAM: For data storage.
- Programmable Square-Wave Output: Configurable frequencies (1Hz, 4kHz, 8kHz, 32kHz).
- Operating Voltage: 4.5V to 5.5V (main power).
- Industrial Temp Range: -40°C to +85°C.
- Tape & Reel (T&R) Packaging: For automated assembly.
Ideal for embedded systems, IoT, and consumer electronics requiring accurate timekeeping.

Pinout

The DS1307Z+T&R is an 8-pin real-time clock (RTC) IC with the following pin functions:
1. X1, X2 (Pins 1, 2) – Connect to a 32.768 kHz crystal.
2. VBAT (Pin 3) – Backup battery input for power retention.
3. GND (Pin 4) – Ground.
4. SDA (Pin 5) – I²C data line.
5. SCL (Pin 6) – I²C clock line.
6. SQW/OUT (Pin 7) – Square wave/output driver.
7. VCC (Pin 8) – Main power supply (5V or 3.3V).
It provides timekeeping, calendar functions, and battery backup support in a SOIC-8 package.

Application

The DS1307Z+T&R is a real-time clock (RTC) IC commonly used in applications requiring accurate timekeeping. Key application areas include:
- Embedded Systems: Timestamping events in microcontrollers (e.g., Arduino, Raspberry Pi).
- Consumer Electronics: Clocks in appliances, digital displays, and smart home devices.
- Industrial Automation: Logging data with timestamps in PLCs and sensors.
- Automotive: Dashboard clocks and event recorders.
- Medical Devices: Time-sensitive data logging in patient monitors.
- IoT Devices: Battery-backed timekeeping for low-power sensors.
Its I²C interface, low power consumption, and battery backup support make it versatile for time-sensitive applications.

Package

The DS1307Z+T&R comes in a SOIC-8 package. The "T&R" indicates it's supplied on a tape and reel for automated assembly. This package is compact, surface-mountable, and suitable for space-constrained applications.

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