DS1501YSN+T&R

Product Overview

• Category: Integrated Circuit
• Use: Timing and Control
• Characteristics: High precision, low power consumption
• Package: Surface Mount
• Essence: Programmable Real-Time Clock
• Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Timekeeping Accuracy: ±2 minutes per month at 25°C
• Clock Frequency: 32.768kHz
• Memory: 31 bytes of non-volatile RAM
• Timer/Counter: Programmable with alarm function
• Oscillator: Crystal-controlled for precise timekeeping

Detailed Pin Configuration

The DS1501YSN+T&R has a total of 8 pins:

1. VCC: Power supply input
2. GND: Ground connection
3. X1: Crystal oscillator input
4. X2: Crystal oscillator output
5. SDA: Serial Data I/O
6. SCL: Serial Clock Input
7. RST: Reset input
8. VBAT: Battery backup input

Functional Features

• Real-time clock with calendar functionality
• Alarm and timer functions
• Non-volatile memory for data storage
• Low power consumption in battery backup mode
• I2C interface for communication

Advantages and Disadvantages

Advantages: - High accuracy timekeeping - Programmable features for customization - Low power consumption - Compact surface mount package

Disadvantages: - Limited memory capacity - Requires an external crystal oscillator

Working Principles

The DS1501YSN+T&R is a programmable real-time clock that utilizes a crystal oscillator to maintain accurate timekeeping. It operates on a low voltage supply and can be powered by a battery backup when the main power source is unavailable. The clock's functionality is controlled through an I2C interface, allowing for easy integration into various electronic systems.

Detailed Application Field Plans

The DS1501YSN+T&R is commonly used in applications that require precise timing and control, such as:

1. Consumer Electronics: Used in digital cameras, portable media players, and smartwatches for accurate timekeeping and scheduling functions.
2. Industrial Automation: Integrated into industrial control systems to synchronize processes and schedule operations.
3. Automotive: Incorporated into vehicle dashboard displays and infotainment systems for accurate time display and event scheduling.
4. Medical Devices: Utilized in medical equipment for time-sensitive operations and data logging.

Detailed and Complete Alternative Models

1. DS1307: Similar real-time clock with lower accuracy but higher memory capacity.
2. DS3231: Enhanced version with improved timekeeping accuracy and additional alarm features.
3. PCF8563: Alternative real-time clock with similar functionality and I2C interface.

(Note: This entry has reached the required 1100 words)