Overview
The 74HC374D,653 is an octal D-type flip-flop with positive edge-triggering and 3-state outputs, manufactured by Nexperia USA Inc. This integrated circuit is part of the 74HC series, known for its CMOS low power dissipation and high noise immunity. The device features a wide supply voltage range from 2.0 V to 6.0 V, making it versatile for various electronic designs. It is particularly useful in applications requiring data storage and transfer, such as in digital circuits, microcontrollers, and other electronic systems.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HC374D | 2.0 - 6.0 | CMOS | ± 7.8 | 14 | 83 | low | -40 ~ 125 | 85 | 27.2 | 61 | SO20 (SOT163-1) |
Key Features
- Wide supply voltage range: From 2.0 V to 6.0 V, making it suitable for a variety of applications.
- CMOS low power dissipation: Reduces power consumption, ideal for energy-efficient designs.
- High noise immunity: Ensures reliable operation in noisy environments.
- Positive edge-triggering: The flip-flops store the state of their individual D-inputs on the LOW-to-HIGH clock transition.
- 3-state outputs: Outputs can be set to a high-impedance OFF-state using the output enable (OE) input.
- Octal bus interface: Eight D-type flip-flops with independent register and 3-state buffer operation.
- Non-inverting 3-state outputs: Outputs are non-inverting, simplifying circuit design.
- Clamp diodes on inputs: Allows the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Applications
The 74HC374D is widely used in various electronic systems, including:
- Automotive systems: For data storage and transfer in automotive electronics.
- Industrial control systems: In control circuits and data processing units.
- Consumer electronics: In digital circuits of consumer devices such as TVs, audio equipment, and other electronic appliances.
- Computing and networking: In microcontrollers, embedded systems, and network devices.
- Mobile and wearable devices: Due to its low power consumption, it is suitable for battery-operated devices.
Q & A
- What is the supply voltage range of the 74HC374D?
The supply voltage range is from 2.0 V to 6.0 V.
- What type of logic switching levels does the 74HC374D use?
The 74HC374D uses CMOS logic switching levels.
- What is the maximum frequency of operation for the 74HC374D?
The maximum frequency of operation is 83 MHz.
- What is the package type of the 74HC374D,653?
The package type is SO20 (SOT163-1).
- What is the operating temperature range of the 74HC374D?
The operating temperature range is -40°C to 125°C.
- Does the 74HC374D have 3-state outputs?
Yes, the 74HC374D has 3-state outputs that can be set to a high-impedance OFF-state using the output enable (OE) input.
- What is the power dissipation characteristic of the 74HC374D?
The 74HC374D has low power dissipation.
- Is the 74HC374D RoHS compliant?
Yes, the 74HC374D is RoHS compliant.
- How many D-type flip-flops are included in the 74HC374D?
The 74HC374D includes eight D-type flip-flops.
- What is the output drive capability of the 74HC374D?
The output drive capability is ± 7.8 mA.
