Overview
The 74HCT373D,653 is an octal D-type transparent latch with 3-state outputs, manufactured by Nexperia USA Inc. This integrated circuit is part of the 74HCT series and is designed to provide interface and storage functions for microprocessor-based systems. The device features latch enable (LE) and output enable (OE) inputs, allowing for flexible control over data storage and output states.
It operates within a wide supply voltage range of 4.5 V to 5.5 V, making it suitable for various digital electronic applications. The 74HCT373D,653 is known for its high-performance, low-power design, and robust surface mount package, ensuring reliable long-term use.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | Power Dissipation Considerations | Tamb (°C) | Package Name |
|---|---|---|---|---|---|---|---|
| 74HCT373D | 4.5 - 5.5 | TTL | ± 6 | 14 | Low | -40 ~ 125 | SO20 (SOT163-1) |
Additional Specifications:
- Operating Temperature: -40°C to 125°C
- Mounting Type: Surface Mount
- Output Type: Tri-State
- Logic Type: D-Type Transparent Latch
- Independent Circuits: 1
- Circuit: 8:8
Key Features
- Octal D-Type Transparent Latch: Allows data to be stored and retrieved in a transparent manner when the latch enable (LE) is high.
- 3-State Outputs: Outputs can be set to a high-impedance state using the output enable (OE) input, making it suitable for bus-oriented applications.
- Wide Supply Voltage Range: Operates from 4.5 V to 5.5 V, ensuring compatibility with various system voltages.
- Low Power Dissipation: Designed for low power consumption, making it energy-efficient.
- High Noise Immunity: Provides robust performance against noise, enhancing reliability.
- Latch-Up Performance: Exceeds 100 mA per JESD 78 Class II Level B, ensuring high reliability.
- CMOS and TTL Compatibility: The 74HCT373D is compatible with TTL logic levels, while the 74HC373 is compatible with CMOS levels.
Applications
- Microprocessor-Based Systems: Provides essential interface and storage functions.
- Digital Electronic Devices: Suitable for a wide range of digital electronic applications.
- Interface and Storage Applications: Ideal for applications requiring data storage and retrieval.
- Automotive and Industrial Systems: Can be used in various industrial and automotive applications due to its robust design and wide operating temperature range.
Q & A
- What is the primary function of the 74HCT373D,653?
The primary function is to act as an octal D-type transparent latch with 3-state outputs, providing interface and storage functions for microprocessor-based systems.
- What is the supply voltage range for the 74HCT373D,653?
The supply voltage range is from 4.5 V to 5.5 V.
- What are the logic switching levels for the 74HCT373D,653?
The logic switching levels are TTL (Transistor-Transistor Logic).
- What is the propagation delay of the 74HCT373D,653?
The propagation delay is 14 ns.
- What is the output drive capability of the 74HCT373D,653?
The output drive capability is ± 6 mA.
- What is the operating temperature range for the 74HCT373D,653?
The operating temperature range is from -40°C to 125°C.
- What type of package does the 74HCT373D,653 come in?
The device comes in a 20-SOIC (SOT163-1) package.
- Is the 74HCT373D,653 RoHS compliant?
- What are some typical applications for the 74HCT373D,653?
Typical applications include microprocessor-based systems, digital electronic devices, and interface and storage applications.
- How does the latch enable (LE) input function?
When the latch enable (LE) input is high, data at the inputs enters the latches, making the latches transparent. When LE is low, the latches store the information present at the inputs a set-up time preceding the HIGH-to-LOW transition of LE.
