74HC573 Octal D-Type Transparent Latch IC is an essential component for electronics engineers, hobbyists, and professionals working with digital systems. Designed for high-speed and reliable data storage, this IC provides efficient latching of 8-bit data and ensures seamless interfacing between microcontrollers, memory devices, and digital logic circuits. If you’re looking for a robust and versatile octal latch, the 74HC573 delivers precision, performance, and compatibility with a wide range of applications.
Product Overview
The 74HC573 is a high-speed CMOS octal D-type transparent latch with 3-state outputs. It is designed to latch 8-bit parallel data from the data bus and hold it until required. This IC is ideal for temporary data storage in microprocessor and microcontroller systems. Its transparent latch functionality allows the input data to pass directly to the output while the enable signal is active, making it perfect for real-time data handling.
The IC’s 3-state outputs provide seamless bus sharing capabilities, enabling multiple devices to share a common data bus without conflict. Built on high-speed CMOS technology, the 74HC573 ensures low power consumption while delivering fast operation, making it suitable for both battery-powered and high-speed digital applications.
Key Features
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Octal D-Type Latch: Latches 8 bits of data simultaneously for efficient parallel data handling.
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Transparent Latch Functionality: Data inputs pass through to outputs while the latch enable (LE) is HIGH.
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3-State Outputs: Output can be placed in high-impedance state to prevent bus conflicts.
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High-Speed CMOS Technology: Ensures fast operation with propagation delay as low as 11 ns (typical).
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Wide Operating Voltage Range: Operates from 2V to 6V, compatible with standard logic families.
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Low Power Consumption: Typically 80 μA in standby, suitable for low-power designs.
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TTL Compatible Inputs: Ensures easy interfacing with standard logic circuits.
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Temperature Range: Reliable operation from –40°C to +85°C for industrial and commercial applications.
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Package Options: Available in 20-pin Dual In-line Package (DIP), Small Outline Integrated Circuit (SOIC), and Surface-Mount Device (SMD) variants.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 74HC573 |
| Type | Octal D-Type Transparent Latch with 3-State Outputs |
| Number of Bits | 8 |
| Logic Type | CMOS |
| Voltage Range (Vcc) | 2V – 6V |
| Input High Voltage (VIH) | ≥ 2V (typical at Vcc = 4.5V) |
| Input Low Voltage (VIL) | ≤ 0.8V (typical at Vcc = 4.5V) |
| Propagation Delay (tpd) | 11 ns (typical at Vcc = 5V) |
| Output Current (IOH/ IOL) | ±4 mA (typical) |
| Power Dissipation | 80 μA (typical standby) |
| Operating Temperature | –40°C to +85°C |
| Package Type | DIP-20, SOIC-20, SMD-20 |
Applications
The 74HC573 Octal Latch IC is widely used across multiple digital and electronic systems due to its versatility and reliable performance. Typical applications include:
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Microprocessor and Microcontroller Systems: Acts as a temporary data storage buffer for buses and I/O expansion.
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Digital Logic Circuits: Provides parallel data latching for controlling logic sequences.
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Memory Interface: Ideal for latching data between RAM and processors in digital systems.
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LED/Display Drivers: Efficiently latches and holds display data for 7-segment displays, dot-matrix panels, and LED arrays.
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Industrial Automation: Controls digital signals in PLCs and automation controllers.
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Data Acquisition Systems: Latches sensor readings for processing and logging.
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Peripheral Interface Circuits: Expands I/O ports of microcontrollers without complex wiring.
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Embedded Systems: Reliable performance in robotics, smart devices, and other embedded electronics.
Why Choose 74HC573 Octal D-Type Latch IC?
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High Reliability: Engineered for long-term performance in critical digital applications.
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Versatility: Compatible with TTL and CMOS logic circuits, making it highly flexible.
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Ease of Use: Transparent latching and 3-state output simplify circuit design and reduce component count.
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Cost-Effective: Provides robust functionality at an affordable price for both hobbyists and industrial engineers.
Whether you are building digital control systems, microcontroller projects, or industrial automation setups, the 74HC573 Octal D-Type Transparent Latch IC ensures fast, reliable, and precise data handling. Stock this IC in your inventory today and streamline your digital circuit designs with efficiency and confidence.
Package Includes:
1 x 74HC573 Octal D-Type Transparent Latch IC (DIP-20 Package)
FAQ
1. Where can we buy this 74HC573 Octal D-Type Transparent Latch IC?
This product is available online https://aiiottech.in/product/74hc573-octal-d-type-transparent-latch-ic/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103
2. When can I get this 74HC573 Octal D-Type Transparent Latch IC after placing the order?
RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.
Video Link: 74HC573 Octal D-type transparent latch
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