Overview
The SN74HCT574PWR is an octal edge-triggered D-type flip-flop integrated circuit produced by Texas Instruments. This device is designed with 3-state outputs, making it particularly suitable for bus driving applications. It is ideal for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The SN74HCT574PWR operates within a voltage range of 4.5V to 5.5V and is available in a 20-pin TSSOP package.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| Operating Temperature Range | -40 | 85 | °C | |
| High-Level Input Voltage (VIH) | 2 | V | ||
| Low-Level Input Voltage (VIL) | 0.8 | V | ||
| Input Transition Rise/Fall Time | 500 | ns | ||
| Typical Propagation Delay (tpd) | 22 | ns | ||
| Output Drive Current | ±6mA | |||
| Quiescent Current (ICC) | 80µA | |||
| Input Current | 1µA | |||
| Package Type | 20-TSSOP |
Key Features
- Operating voltage range of 4.5V to 5.5V
- High-current 3-state noninverting outputs drive bus lines directly or up to 15 LSTTL loads
- Low power consumption, 80µA max ICC
- Typical propagation delay of 22ns
- ±6mA output drive at 5V
- Low input current of 1µA max
- Inputs are TTL-voltage compatible
- Bus-structured pinout
- Positive edge-triggered D-type flip-flops
Applications
The SN74HCT574PWR is particularly suitable for various applications, including:
- Implementing buffer registers
- I/O ports
- Bidirectional bus drivers
- Working registers
Q & A
- What is the operating voltage range of the SN74HCT574PWR?
The operating voltage range is 4.5V to 5.5V.
- What type of outputs does the SN74HCT574PWR have?
The device features 3-state noninverting outputs.
- What is the typical propagation delay of the SN74HCT574PWR?
The typical propagation delay is 22ns.
- What is the maximum output drive current at 5V?
The maximum output drive current at 5V is ±6mA.
- What is the quiescent current (ICC) of the SN74HCT574PWR?
The quiescent current (ICC) is 80µA max.
- What is the input current of the SN74HCT574PWR?
The input current is 1µA max.
- Are the inputs TTL-voltage compatible?
Yes, the inputs are TTL-voltage compatible.
- What type of package is the SN74HCT574PWR available in?
The device is available in a 20-pin TSSOP package.
- What is the operating temperature range of the SN74HCT574PWR?
The operating temperature range is -40°C to 85°C.
- What are some common applications of the SN74HCT574PWR?
Common applications include implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
