Overview
The 74HCT573D/C4118, produced by NXP USA Inc., is an 8-bit D-type transparent latch with 3-state outputs. This integrated circuit is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) input levels. The device features latch enable (LE) and output enable (OE) inputs, making it versatile for various digital logic applications.
The 74HCT573D/C4118 is housed in a SO20 (Small Outline 20 leads) package, which is compact and suitable for modern electronic designs. It operates over a wide temperature range from -40 °C to +125 °C, ensuring reliability in diverse environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | 74HCT573D | - |
| Logic Switching Levels | TTL | - |
| VCC Range | 4.5 - 5.5 | V |
| Output Drive Capability | ± 6 | mA |
| Propagation Delay (tpd) | 17 | ns |
| Temperature Range | -40 °C to +125 °C | °C |
| Package Type | SO20 (SOT163-1) | - |
| ESD Protection | HBM: >2000 V, CDM: >1000 V | V |
Key Features
- Latch Enable and Output Enable Inputs: The device features LE (Latch Enable) and OE (Output Enable) inputs, allowing for precise control over data latching and output states.
- 3-State Outputs: The 74HCT573D/C4118 has 3-state non-inverting outputs, which are useful for bus-oriented applications.
- TTL Compatibility: The device is compatible with TTL input levels, making it suitable for systems that use TTL logic.
- High ESD Protection: It complies with JEDEC standards for ESD protection, with HBM exceeding 2000 V and CDM exceeding 1000 V.
- Wide Temperature Range: Operates from -40 °C to +125 °C, ensuring reliability in various environmental conditions.
- Low Power Dissipation: The device has low power dissipation considerations, making it energy-efficient.
- Easy Interface with Microprocessors: Inputs and outputs are on opposite sides of the package, facilitating easy interface with microprocessors and microcomputers.
Applications
- Microprocessor and Microcomputer Systems: Useful as input or output ports for microprocessors and microcomputers due to its easy interface capabilities.
- Bus-Oriented Applications: The 3-state non-inverting outputs make it suitable for bus-oriented applications where multiple devices need to share a common bus.
- Automotive and Industrial Systems: Given its wide temperature range and high ESD protection, it is suitable for use in automotive and industrial environments.
- Consumer Electronics: Can be used in various consumer electronic devices that require reliable and efficient digital logic functions.
Q & A
- What is the primary function of the 74HCT573D/C4118?
The primary function of the 74HCT573D/C4118 is to act as an 8-bit D-type transparent latch with 3-state outputs.
- What are the logic switching levels for the 74HCT573D/C4118?
The logic switching levels for the 74HCT573D/C4118 are TTL (Transistor-Transistor Logic) levels.
- What is the operating temperature range for the 74HCT573D/C4118?
The operating temperature range for the 74HCT573D/C4118 is from -40 °C to +125 °C.
- What type of package does the 74HCT573D/C4118 come in?
The 74HCT573D/C4118 comes in a SO20 (Small Outline 20 leads) package.
- What is the propagation delay (tpd) for the 74HCT573D/C4118?
The propagation delay (tpd) for the 74HCT573D/C4118 is approximately 17 ns.
- Does the 74HCT573D/C4118 have ESD protection?
Yes, the 74HCT573D/C4118 has high ESD protection, with HBM exceeding 2000 V and CDM exceeding 1000 V.
- What are the typical applications for the 74HCT573D/C4118?
The 74HCT573D/C4118 is typically used in microprocessor and microcomputer systems, bus-oriented applications, automotive and industrial systems, and consumer electronics.
- How do the LE and OE inputs function in the 74HCT573D/C4118?
The LE (Latch Enable) input controls when data at the inputs enters the latches, and the OE (Output Enable) input controls the output state, setting it to high-impedance when HIGH.
- Is the 74HCT573D/C4118 compatible with CMOS logic levels?
No, the 74HCT573D/C4118 is specifically designed for TTL logic levels, not CMOS.
- What is the output drive capability of the 74HCT573D/C4118?
The output drive capability of the 74HCT573D/C4118 is ± 6 mA.
