MC74HCT595ADTG: High-Performance 8-Bit Shift Register IC by onsemi

The MC74HCT595ADTG is a cutting-edge 8-bit shift register integrated circuit (IC) developed by onsemi, a global leader in semiconductor innovation. This advanced IC is engineered for high-efficiency data conversion between serial and parallel formats, making it indispensable for modern digital systems. Below, we explore its features, technical specifications, applications, and why it stands out in the competitive logic IC market.

Product Overview

Manufacturer and Availability

Manufactured by onsemi, the MC74HCT595ADTG is listed as Active, ensuring reliable supply chain support for industrial and hobbyist projects. onsemi s stringent quality control guarantees compliance with international standards, including RoHS and REACH.

Functional Classification

This IC belongs to the Logic - Shift Registers subcategory within Integrated Circuits (ICs). It operates as an 8-bit serial-in, parallel-out shift register with a storage register and Tri-State outputs. Key functionalities include:

• Serial-to-parallel data conversion
• Cascadable for larger data widths
• Output enable control for bus interfacing

Detailed Technical Specifications

Electrical Characteristics

• Supply Voltage: 4.5V to 5.5V (TTL-compatible)
• High-Level Input Voltage: 2V min (ensures noise immunity)
• Low-Level Output Current: 6mA at 5V
• Propagation Delay: 13ns typical (high-speed operation)

Physical Attributes

• Package: 16-TSSOP (4.4mm width, surface-mount)
• Operating Temperature: -55 C to +125 C (military-grade range)
• ESD Protection: >2kV (Human Body Model)

Advanced Features

Tri-State Output Architecture

The Tri-State output capability allows multiple devices to share a common bus without interference. When disabled, outputs enter a high-impedance state, reducing power consumption and signal contention.

Cascading Support

Through the Q7' serial output pin, multiple MC74HCT595ADTG ICs can be daisy-chained to create 16-bit, 24-bit, or larger shift registers perfect for expansive LED matrices or display drivers.

Industry Applications

LED Display Systems

Widely used in:

• Scrolling message boards
• 7-segment display multiplexing
• RGB LED matrix control

Industrial Automation

Implements:

• PLC input/output expansion
• Sensor data aggregation
• Actuator control systems

Consumer Electronics

Found in:

• Appliance control panels
• Gaming peripherals
• Audio equipment interfaces

Competitive Advantages

• Power Efficiency: CMOS technology ensures low static power consumption
• Design Flexibility: Compatible with both 5V TTL and CMOS logic levels
• Reliability: onsemi's automotive-grade manufacturing processes

Design Resources

Engineers can access:

• SPICE simulation models
• Reference schematics for LED driver circuits
• PCB layout guidelines for noise reduction

Purchasing Information

Available through authorized distributors in tape-and-reel packaging (2500 units per reel) or sample quantities. Check our website for real-time inventory and volume pricing.

For engineers seeking a robust, high-performance shift register solution, the MC74HCT595ADTG delivers unparalleled functionality in space-constrained designs. Its combination of speed, reliability, and design flexibility makes it the ideal choice for next-generation digital systems.