Overview
The SN74LVC574ARGYR is an octal edge-triggered D-type flip-flop produced by Texas Instruments. This device is designed for operation within a voltage range of 1.65 V to 3.6 V, making it suitable for a variety of applications in mixed 3.3-V/5-V system environments. The SN74LVC574ARGYR features 3-state outputs, which are particularly useful for driving highly capacitive or relatively low-impedance loads. It is commonly used in implementing buffer registers, I/O ports, and bidirectional bus drivers.
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) | - | 2 (2.7 V to 3.6 V) | V |
| Low-Level Input Voltage (VIL) | 0.35 × VCC (1.65 V to 1.95 V) | - | 0.8 (2.7 V to 3.6 V) | V |
| High-Level Output Current (IOH) | -100 μA | - | -24 mA (VCC = 3 V) | mA |
| Low-Level Output Current (IOL) | 100 μA | - | 24 mA (VCC = 3 V) | mA |
| Clock Frequency (fclock) | - | - | 150 MHz (2.7 V to 3.6 V) | 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 within a voltage range of 1.65 V to 3.6 V.
- Suitable for mixed 3.3-V/5-V system environments.
- High drive capability to drive highly capacitive or relatively low-impedance loads.
- Inputs can be driven from either 3.3-V or 5-V devices.
- Available in various packages including DB, DGV, DW, N, NS, PW, RGY, and others.
- Operating temperature range: −40°C to 125°C.
- ESD protection: 2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model.
Applications
- Buffer registers and I/O ports.
- Bidirectional bus drivers.
- Mixed 3.3-V/5-V system environments.
- High-speed digital systems requiring edge-triggered flip-flops.
- Systems needing 3-state output capability for bus driving.
Q & A
- What is the operating voltage range of the SN74LVC574ARGYR?
The operating voltage range is from 1.65 V to 3.6 V.
- What types of packages are available for the SN74LVC574ARGYR?
The device is available in various packages including DB, DGV, DW, N, NS, PW, RGY, and others.
- What is the maximum clock frequency for the SN74LVC574ARGYR?
The maximum clock frequency is 150 MHz for VCC ranging from 2.7 V to 3.6 V.
- Can the SN74LVC574ARGYR be used in mixed 3.3-V/5-V system environments?
- What is the setup time for data before the clock rises (CLK↑)?
The setup time is 2 ns.
- What is the hold time for data after the clock rises (CLK↑)?
The hold time is 1.5 ns.
- What is the operating temperature range of the SN74LVC574ARGYR?
The operating temperature range is from −40°C to 125°C.
- Does the SN74LVC574ARGYR have ESD protection?
- How should the OE (Output Enable) pin be managed during power-up or power-down?
The OE pin should be tied to VCC through a pull-up resistor to ensure the high-impedance state.
- What are some common applications of the SN74LVC574ARGYR?
