Overview
The SN74HC574NS is an octal edge-triggered D-type flip-flop integrated circuit produced by Texas Instruments. This component is part of the 74HC series and is designed for bus driving applications. It features 3-state outputs, making it suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage | 2 V to 6 V | V |
| Number of Channels | 8 | - |
| Number of Input Lines | 3 | - |
| Number of Output Lines | 1 | - |
| Clock Frequency | Up to 36 MHz | MHz |
| Max Propagation Delay @ V, Max CL | 46 ns @ 6 V, 150 pF | ns |
| Trigger Type | Positive Edge | - |
| Output Current - High, Low | 7.8 mA, 7.8 mA | mA |
| Quiescent Current (Iq) | 8 µA | µA |
| Input Capacitance | 3 pF | pF |
| Operating Temperature | -40°C to 85°C | °C |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) | - |
| Mounting Type | Surface Mount | - |
Key Features
- Wide operating voltage range of 2 V to 6 V
- High-current 3-state noninverting outputs drive bus lines directly or up to 15 LSTTL loads
- Low power consumption, 80-µA max ICC
- Typical propagation delay of 22 ns
- ±6-mA output drive at 5 V
- Low input current of 1-µA max
- Bus-structured pinout
- Rohs compliant
Applications
The SN74HC574NS 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 SN74HC574NS?
The operating voltage range is from 2 V to 6 V.
- What type of trigger does the SN74HC574NS use?
The SN74HC574NS uses a positive edge trigger.
- What is the maximum clock frequency for the SN74HC574NS?
The maximum clock frequency is up to 36 MHz.
- What is the propagation delay of the SN74HC574NS?
The typical propagation delay is 22 ns, with a maximum of 46 ns at 6 V and 150 pF load.
- What is the output current capability of the SN74HC574NS?
The output current is ±7.8 mA.
- What is the quiescent current of the SN74HC574NS?
The quiescent current is 8 µA.
- What is the input capacitance of the SN74HC574NS?
The input capacitance is 3 pF.
- What are the operating temperature ranges for the SN74HC574NS?
The operating temperature range is from -40°C to 85°C.
- What type of package is the SN74HC574NS available in?
The SN74HC574NS is available in a 20-SOIC package.
- Is the SN74HC574NS RoHS compliant?
