Overview
The SN74AC574PWR is an octal D-type edge-triggered flip-flop with 3-state outputs, manufactured by Texas Instruments. This integrated circuit operates within a voltage range of 2V to 6V, making it versatile for various applications. It is particularly suited for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The device features 8-bit flip-flops with 3-state outputs designed to drive highly capacitive or relatively low-impedance loads efficiently.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2V to 6V | V |
| Input Voltage Range | -0.5 to VCC + 0.5 | V |
| Output Voltage Range | -0.5 to VCC + 0.5 | V |
| Maximum Propagation Delay at 5V | 8.5ns | ns |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | 20-TSSOP | |
| Package Dimensions | 6.5mm × 6.4mm | mm |
| Number of Bits per Element | 8 | |
| Trigger Type | Positive Edge | |
| Output Type | Tri-State, Non-Inverted | |
| Continuous Output Current | ±50mA | mA |
| Quiescent Supply Current (Iq) | 4µA | µA |
Key Features
- Operation over a wide voltage range of 2V to 6V.
- Inputs accept voltages up to 6V.
- Maximum propagation delay of 8.5ns at 5V.
- 3-state outputs designed to drive highly capacitive or relatively low-impedance loads.
- Suitable for buffer registers, I/O ports, bidirectional bus drivers, and working registers.
- Positive edge-triggered clock input.
- Output enable (OE) input for all channels, active low.
- RoHS and REACH compliant.
Applications
- Buffer registers and I/O ports.
- Bidirectional bus drivers.
- Working registers.
- Highly capacitive or relatively low-impedance load driving.
- General-purpose logic circuits requiring edge-triggered flip-flops.
Q & A
- What is the operating voltage range of the SN74AC574PWR?
The SN74AC574PWR operates within a voltage range of 2V to 6V.
- What is the maximum propagation delay at 5V for the SN74AC574PWR?
The maximum propagation delay at 5V is 8.5ns.
- What types of loads can the 3-state outputs of the SN74AC574PWR drive?
The 3-state outputs are designed to drive highly capacitive or relatively low-impedance loads.
- What is the package type and dimensions of the SN74AC574PWR?
The package type is 20-TSSOP, with dimensions of 6.5mm × 6.4mm.
- Is the SN74AC574PWR RoHS and REACH compliant?
- What is the trigger type of the SN74AC574PWR?
The trigger type is positive edge-triggered.
- What is the output type of the SN74AC574PWR?
The output type is tri-state, non-inverted.
- What is the continuous output current rating of the SN74AC574PWR?
The continuous output current rating is ±50mA.
- What is the quiescent supply current (Iq) of the SN74AC574PWR?
The quiescent supply current (Iq) is 4µA.
- What are some common applications of the SN74AC574PWR?
