Overview
The 74HCT574DB,118, produced by Nexperia USA Inc., is an 8-bit positive-edge triggered D-type flip-flop 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 a clock (CP) and output enable (OE) inputs, making it suitable for a variety of digital logic applications.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Type | D-Type | Flip-flop type |
| Trigger Type | Positive Edge | Triggering mechanism |
| Number of Bits per Element | 8 | Number of bits in the flip-flop |
| Output Type | Tri-State, Non-Inverted | Type of output signals |
| Voltage - Supply | 4.5 V ~ 5.5 V | Operating voltage range |
| Operating Temperature | -40°C ~ 125°C (TA) | Temperature range for operation |
| Package / Case | 20-SSOP (SOT339-1) | Package type and dimensions |
| Mounting Type | Surface Mount | Mounting method |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V | Electrostatic discharge protection levels |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V, complying with JEDEC standards JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V).
- CMOS Low Power Dissipation: Low power consumption, making it energy-efficient.
- High Noise Immunity: Enhanced noise immunity for reliable operation in noisy environments.
- Latch-up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
- 3-State Non-Inverting Outputs: Suitable for bus-oriented applications.
- Common 3-State Output Enable Input: Allows for easy control of output states.
- ESD Protection: High levels of electrostatic discharge protection.
Applications
The 74HCT574DB,118 is versatile and can be used in a variety of digital logic applications, including:
- Bus-Oriented Systems: The 3-state outputs make it ideal for applications where multiple devices share the same bus.
- Sequential Logic Circuits: Suitable for use in counters, registers, and other sequential logic circuits.
- Automotive and Industrial Systems: Its wide operating temperature range and robust ESD protection make it suitable for harsh environments.
- Consumer Electronics: Can be used in various consumer electronic devices requiring reliable digital logic functions.
Q & A
- What is the primary function of the 74HCT574DB,118?
The primary function is to act as an 8-bit positive-edge triggered D-type flip-flop with 3-state outputs.
- What is the operating voltage range of the 74HCT574DB,118?
The operating voltage range is from 4.5 V to 5.5 V.
- What type of package does the 74HCT574DB,118 come in?
The device comes in a 20-SSOP (SOT339-1) package.
- What is the operating temperature range of the 74HCT574DB,118?
The operating temperature range is from -40°C to 125°C.
- Does the 74HCT574DB,118 have ESD protection?
Yes, it has high levels of ESD protection, exceeding 2000 V for HBM and 1000 V for CDM.
- What are the input levels compatible with the 74HCT574DB,118?
The device is compatible with TTL input levels.
- Can the 74HCT574DB,118 be used in bus-oriented systems?
Yes, it is suitable for bus-oriented systems due to its 3-state non-inverting outputs.
- Is the 74HCT574DB,118 RoHS compliant?
Yes, the device is lead-free and RoHS compliant.
- What is the purpose of the output enable (OE) input?
The OE input allows the outputs to be placed in a high-impedance OFF-state without affecting the state of the flip-flops.
- Can the 74HCT574DB,118 be used in automotive applications?
Yes, its robust specifications and wide operating temperature range make it suitable for automotive and industrial applications.
