Overview
The SN74LVC574ADWRE4 is an octal edge-triggered D-type flip-flop produced by Texas Instruments. This device is designed for operation over a wide voltage range of 1.65 V to 3.6 V, making it versatile for various applications. It features 3-state outputs, which are particularly useful for driving highly capacitive or relatively low-impedance loads. The SN74LVC574ADWRE4 is suitable for implementing buffer registers, I/O ports, and bidirectional bus drivers in mixed 3.3-V/5-V system environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 1.65 | 3.6 | V | |
| High-Level Input Voltage (VIH) | 0.65 × VCC (1.65 V to 1.95 V) 1.7 (2.3 V to 2.7 V) 2 (2.7 V to 3.6 V) | V | ||
| Low-Level Input Voltage (VIL) | 0.35 × VCC (1.65 V to 1.95 V) 0.7 (2.3 V to 2.7 V) 0.8 (2.7 V to 3.6 V) | V | ||
| High-Level Output Current (IOH) | -100 μA (1.65 V to 3.6 V) -4 mA (1.65 V) -8 mA (2.3 V) -12 mA (2.7 V) -24 mA (3 V) | mA | ||
| Low-Level Output Current (IOL) | 100 μA (1.65 V to 3.6 V) 12 mA (2.7 V) 24 mA (3 V) | mA | ||
| Clock Frequency (fclock) | 150 | 150 | MHz | |
| Pulse Duration, CLK High or Low (tw) | 3.3 | 3.3 | ns | |
| Setup Time, Data Before CLK↑ (tsu) | 2 | 2 | ns | |
| Hold Time, Data After CLK↑ (th) | 1.5 | 1.5 | ns |
Key Features
- Octal edge-triggered D-type flip-flops with 3-state outputs.
- Operates over a wide voltage range of 1.65 V to 3.6 V.
- Inputs can be driven from either 3.3-V or 5-V devices, making it suitable for mixed voltage systems.
- High drive capability to drive highly capacitive or relatively low-impedance loads.
- Low power consumption.
- High clock frequency up to 150 MHz.
- ESD protection and latch-up performance.
Applications
- Buffer registers and I/O ports.
- Bidirectional bus drivers.
- Mixed 3.3-V/5-V system environments.
- High-speed data transmission systems.
- Embedded systems requiring low power and high performance.
Q & A
- What is the voltage range for the SN74LVC574ADWRE4?
The SN74LVC574ADWRE4 operates over a voltage range of 1.65 V to 3.6 V. - What type of outputs does the SN74LVC574ADWRE4 have?
The device features 3-state outputs. - Can the inputs be driven from 3.3-V or 5-V devices?
Yes, the inputs can be driven from either 3.3-V or 5-V devices. - What is the maximum clock frequency of the SN74LVC574ADWRE4?
The maximum clock frequency is 150 MHz. - What is the setup time for data before the clock rises?
The setup time is 2 ns. - What is the hold time for data after the clock rises?
The hold time is 1.5 ns. - What are some common applications for the SN74LVC574ADWRE4?
Common applications include buffer registers, I/O ports, bidirectional bus drivers, and mixed 3.3-V/5-V system environments. - Does the SN74LVC574ADWRE4 have ESD protection?
Yes, the device has ESD protection. - What is the package type for the SN74LVC574ADWRE4?
The package type is SOIC-DW (Small Outline Integrated Circuit - Dual in-line). - What is the operating temperature range for the SN74LVC574ADWRE4?
The operating temperature range is -40°C to 125°C.
