Overview
The SN74HCT574PWRG4 is an octal edge-triggered D-type flip-flop integrated circuit produced by Texas Instruments. This device is part of the HCT (High-Speed CMOS) family and is designed for use in a variety of digital logic applications. The SN74HCT574PWRG4 features 3-state outputs, making it particularly suitable for bus driving, buffer registers, I/O ports, bidirectional bus drivers, and working registers.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Operating Voltage Range | 4.5 | 5 | 5.5 | V |
| High-Level Input Voltage (VIH) | 2 | - | - | V |
| Low-Level Input Voltage (VIL) | 0.8 | - | - | V |
| Output Voltage (VO) | 0 | - | VCC | V |
| Input Transition Rise/Fall Time | 500 | - | - | ns |
| Operating Free-Air Temperature | -40 | - | 85 | °C |
| Typical Propagation Delay (tpd) | 22 | - | - | ns |
| Output Drive at 5V | ±6 | - | - | mA |
| Low Input Current | 1 | - | - | μA |
| Power Dissipation Capacitance per Flip-Flop | 93 | - | - | pF |
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 (tpd) of 22ns
- ±6mA output drive at 5V
- Low input current of 1μA max
- Inputs are TTL-voltage compatible
- Bus-structured pinout
Applications
The SN74HCT574PWRG4 is particularly suitable for various digital logic applications, including:
- Implementing buffer registers
- I/O ports
- Bidirectional bus drivers
- Working registers
Q & A
- What is the operating voltage range of the SN74HCT574PWRG4?
The operating voltage range is from 4.5V to 5.5V.
- What is the typical propagation delay of the SN74HCT574PWRG4?
The typical propagation delay (tpd) is 22ns.
- How much current can the outputs drive at 5V?
The outputs can drive up to ±6mA at 5V.
- What is the maximum input current for the SN74HCT574PWRG4?
The maximum input current is 1μA.
- Are the inputs TTL-voltage compatible?
- What is the purpose of the output enable (OE) input?
The output enable (OE) input can be used to place the outputs in either a normal logic state or the high-impedance state.
- What types of applications is the SN74HCT574PWRG4 suitable for?
- What is the power dissipation capacitance per flip-flop?
The power dissipation capacitance per flip-flop is 93 pF.
- What are the package options available for the SN74HCT574PWRG4?
The device is available in various packages including SSOP, SOIC, PDIP, SOP, and TSSOP.
- Is the SN74HCT574PWRG4 RoHS compliant?
