Overview
The 74LVC574AD,112 is an octal D-type flip-flop integrated circuit produced by NXP Semiconductors. This device is designed for use in a variety of digital logic applications, particularly where 3.3 V and 5 V compatibility is required. It features positive edge-triggered flip-flops with 3-state outputs, making it suitable for use in mixed voltage environments. The device includes a clock (CP) and output enable (OE) inputs, allowing for flexible control over the flip-flop states and output conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP Semiconductors |
| Logic Family | LVC |
| Logic Type | D-Type Edge Triggered Flip-Flop |
| Polarity | Non-Inverting |
| Input Type | Single-Ended |
| Propagation Delay Time | 3.2 ns at 3.3 V |
| High Level Output Current | -24 mA |
| Supply Voltage Max | 3.6 V |
| Maximum Operating Temperature | +125°C |
| Mounting Style | SMD/SMT |
| Package / Case | SO20 (SOT163-1) |
| Minimum Operating Temperature | -40°C |
| Number of Input Lines | 8 |
| Number of Output Lines | 8 |
| Supply Voltage Min | 1.2 V |
| Maximum Frequency | 150 MHz |
Key Features
- Wide Supply Voltage Range: Operates from 1.2 V to 3.6 V, making it suitable for various voltage environments.
- CMOS Low Power Consumption: Low power consumption due to CMOS technology.
- Direct Interface with TTL Levels: Compatible with TTL logic levels, enabling direct interface with TTL devices.
- Overvoltage Tolerant Inputs: Inputs are tolerant up to 5.5 V, allowing for use in mixed 3.3 V and 5 V systems.
- Schmitt-Trigger Action: Inputs feature Schmitt-trigger action, making the circuit tolerant of slower input rise and fall times.
- High-Impedance When VCC = 0 V: Outputs are in a high-impedance state when the supply voltage is 0 V.
- IOFF Circuitry: Provides partial power-down mode operation, preventing backflow current when the device is powered down.
- ESD Protection: Exceeds 2000 V HBM and 1000 V CDM, ensuring robust protection against electrostatic discharge.
- Flow-Through Pin-Out Architecture: Simplifies PCB layout and design.
Applications
- Mixed Voltage Systems: Ideal for use in systems where both 3.3 V and 5 V logic levels are present.
- Digital Logic Circuits: Suitable for various digital logic applications requiring edge-triggered flip-flops.
- Interface Translation: Can be used as a translator between different voltage level devices.
- Partial Power Down Applications: Useful in systems that require partial power-down capabilities to save power.
- General Purpose Logic: Can be used in a wide range of general-purpose digital logic circuits.
Q & A
- Q: What is the primary function of the 74LVC574AD,112?
A: The 74LVC574AD,112 is an octal D-type flip-flop with 3-state outputs, designed for positive edge-triggered operations.
- Q: What is the supply voltage range for the 74LVC574AD,112?
A: The device operates from 1.2 V to 3.6 V.
- Q: What is the maximum frequency of operation for the 74LVC574AD,112?
A: The maximum frequency is 150 MHz.
- Q: Does the 74LVC574AD,112 have overvoltage tolerant inputs?
A: Yes, the inputs are tolerant up to 5.5 V.
- Q: What type of ESD protection does the 74LVC574AD,112 have?
A: It exceeds 2000 V HBM and 1000 V CDM.
- Q: Can the 74LVC574AD,112 be used in partial power-down applications?
A: Yes, it features IOFF circuitry for partial power-down mode operation.
- Q: What is the package type for the 74LVC574AD,112?
A: The device is available in the SO20 (SOT163-1) package.
- Q: Is the 74LVC574AD,112 RoHS compliant?
A: Yes, it is RoHS compliant.
- Q: What is the propagation delay time for the 74LVC574AD,112 at 3.3 V?
A: The propagation delay time is 3.2 ns at 3.3 V.
- Q: Can I use the 74LVC574AD,112 in high-temperature environments?
A: Yes, it is specified to operate from -40°C to +125°C.
