Overview
The 74HCT574PW,112 is an 8-bit positive-edge triggered D-type flip-flop with 3-state outputs, manufactured by Nexperia. This device is part of the 74HC/74HCT family and is designed for high-speed CMOS logic applications. It features a clock (CP) and output enable (OE) inputs, making it suitable for bus-oriented applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC supply voltage | 4.5 | 5.0 | 5.5 | V |
| VI input voltage | 0 | - | VCC | V |
| VO output voltage | 0 | - | VCC | V |
| Tamb ambient temperature | -40 | - | 125 | °C |
| tpd propagation delay | - | 15 | - | ns |
| fmax maximum frequency | - | 76 | - | MHz |
| Output drive capability | - | - | ±6 | mA |
| ESD protection (HBM) | - | - | 2000 | V |
| ESD protection (CDM) | - | - | 1000 | V |
Key Features
- 8-bit positive-edge triggered D-type flip-flop with 3-state outputs
- Common clock (CP) and output enable (OE) inputs
- Wide supply voltage range from 4.5 V to 5.5 V
- CMOS low power dissipation
- High noise immunity
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V)
- TTL input levels for 74HCT574
- ESD protection: HBM exceeds 2000 V, CDM exceeds 1000 V
- Specified from -40 °C to +85 °C and from -40 °C to +125 °C
Applications
The 74HCT574PW,112 is suitable for a wide range of applications including:
- Bus-oriented systems where 3-state outputs are necessary
- High-speed CMOS logic circuits
- Automotive and industrial control systems
- Consumer electronics and mobile devices
- Computing and power management systems
Q & A
- What is the primary function of the 74HCT574PW,112?
The primary function is to act as an 8-bit positive-edge triggered D-type flip-flop with 3-state outputs.
- What is the supply voltage range for the 74HCT574PW,112?
The supply voltage range is from 4.5 V to 5.5 V.
- What are the input levels for the 74HCT574PW,112?
The input levels are TTL (Transistor-Transistor Logic) compatible.
- What is the maximum frequency of operation for the 74HCT574PW,112?
The maximum frequency of operation is 76 MHz.
- Does the 74HCT574PW,112 have ESD protection?
- What are the operating temperature ranges for the 74HCT574PW,112?
The device is specified from -40 °C to +85 °C and from -40 °C to +125 °C.
- What package type is the 74HCT574PW,112 available in?
The device is available in a TSSOP20 (SOT360-1) package.
- Is the 74HCT574PW,112 compliant with any industry standards?
- How does the output enable (OE) input affect the device?
A HIGH on the OE input causes the outputs to assume a high-impedance OFF-state, but does not affect the state of the flip-flops.
- What are some common applications for the 74HCT574PW,112?
