Encyclopedia Entry: 74AHCT595BQ,115

Product Overview

Category

The 74AHCT595BQ,115 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics for shift register applications.

Characteristics

• High-speed operation
• Low power consumption
• Compatibility with TTL and CMOS logic levels
• Wide operating voltage range
• Schmitt-trigger action on all inputs
• Balanced propagation delays

Package

The 74AHCT595BQ,115 is available in a small-outline package (SOIC) with 16 pins.

Essence

The essence of this product lies in its ability to efficiently transfer and store data in sequential order.

Packaging/Quantity

The 74AHCT595BQ,115 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 80 MHz
• Maximum Output Current: ±6 mA

Detailed Pin Configuration

The 74AHCT595BQ,115 has 16 pins, each serving a specific function:

1. Serial Data Input (DS)
2. Serial Data Output (QH')
3. Serial Data Output (QH)
4. Serial Data Output (QA)
5. Serial Data Output (QB)
6. Serial Data Output (QC)
7. Serial Data Output (QD)
8. Ground (GND)
9. Clock Input (CP)
10. Master Reset Input (MR)
11. Output Enable Input (OE)
12. Serial Data Input (DS)
13. Serial Data Output (QH')
14. Serial Data Output (QH)
15. Serial Data Output (QA)
16. Supply Voltage (VCC)

Functional Features

The 74AHCT595BQ,115 offers the following functional features:

• Serial-in to parallel-out data shifting
• Cascading capability for multiple devices
• Latch storage of data
• Output enable control
• Master reset functionality

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Low power consumption makes it suitable for battery-powered applications.
• Compatibility with TTL and CMOS logic levels ensures versatility in various systems.
• Balanced propagation delays ensure reliable data transmission.

Disadvantages

• Limited output current may restrict its use in certain high-current applications.
• The small-outline package may require careful handling during assembly.

Working Principles

The 74AHCT595BQ,115 operates based on the principles of shift registers. It receives serial data input and shifts it through internal flip-flops upon each clock pulse. The shifted data is then available at the parallel outputs. The latch feature allows the data to be stored and held until a new set of data is received. The output enable and master reset inputs provide additional control over the device's functionality.

Detailed Application Field Plans

The 74AHCT595BQ,115 finds extensive application in various digital systems, including but not limited to:

1. LED matrix displays
2. Multiplexed seven-segment displays
3. Serial-to-parallel data conversion
4. Data storage and retrieval systems
5. Shift register-based counters
6. Control signal generation circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74AHCT595BQ,115 include:

1. 74HC595
2. CD74HC595
3. SN74HC595
4. MC74HC595

These models are widely available and offer comparable features and performance.

In conclusion, the 74AHCT595BQ,115 is a versatile integrated circuit used for shift register applications in digital electronics. Its high-speed operation, low power consumption, and compatibility with various logic levels make it a popular choice among designers. With its functional features, advantages, and wide application field plans, it serves as an essential component in numerous electronic systems.

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