Overview
The 74LVC574APW/S400118 is an 8-bit positive-edge triggered D-type flip-flop with 3-state outputs, manufactured by NXP USA Inc. This device is part of the LVC (Low-Voltage CMOS) family and is designed for use in a wide range of digital logic applications. It features a clock (CP) and output enable (OE) inputs, making it versatile for various circuit designs.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (°C) |
|---|---|---|---|---|---|---|---|
| 74LVC574APW | 1.2 - 3.6 | CMOS/LVTTL | ± 24 | 3.2 | 150 | Low | -40 ~ 125 |
Key Features
- Octal D-type flip-flop with 3-state outputs
- Positive edge-triggered
- 5 V tolerant inputs/outputs
- Schmitt-trigger action at all inputs for slower input rise and fall times tolerance
- Wide supply voltage range from 1.2 to 3.6 V
- CMOS low power consumption
- Direct interface with TTL levels
- Overvoltage tolerant inputs up to 5.5 V
- High-impedance when VCC = 0 V
- Independent register and 3-state buffer operation
- Flow-through pin-out architecture
- IOFF circuitry for partial power-down mode operation
Applications
The 74LVC574APW/S400118 is suitable for a variety of applications, including:
- Digital logic circuits requiring 8-bit positive-edge triggered D-type flip-flops
- Mixed 3.3 V and 5 V environments due to its 5 V tolerant inputs/outputs
- Partial power-down applications where IOFF circuitry is beneficial
- Circuits requiring low power consumption and high-speed operation
Q & A
- What is the primary function of the 74LVC574APW/S400118?
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 this device?
The supply voltage range is from 1.2 to 3.6 V. - Is the device compatible with both 3.3 V and 5 V logic levels?
Yes, it is compatible with both 3.3 V and 5 V logic levels. - What is the maximum clock frequency for this device?
The maximum clock frequency is 150 MHz. - Does the device have any special power-down features?
Yes, it features IOFF circuitry for partial power-down mode operation. - What is the operating temperature range for this device?
The operating temperature range is from -40 °C to +125 °C. - What type of package does this device come in?
The device comes in a TSSOP20 package. - Is the device RoHS compliant?
Yes, the device is RoHS compliant. - What is the output drive capability of this device?
The output drive capability is ± 24 mA. - Does the device have ESD protection?
Yes, it has ESD protection exceeding 2000 V (HBM) and 1000 V (CDM).
