Overview
The SN74HC574N is an octal edge-triggered D-type flip-flop integrated circuit produced by Texas Instruments. This component is part of the HC 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. The device operates over a wide voltage range of 2 V to 6 V, making it versatile for various electronic systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | 5 | 6 | V |
| Operating Temperature | -40 | 85 | °C | |
| Input Voltage (VI) | 0 | VCC | V | |
| Output Voltage (VO) | 0 | VCC | V | |
| Clock Frequency (fclock) | 6 | 38 | MHz | |
| Pulse Duration, CLK High or Low (tw) | 14 | 120 | ns | |
| Setup Time, Data Before CLK↑ (tsu) | 17 | 150 | ns | |
| Hold Time, Data After CLK↑ (th) | 5 | 5 | ns | |
| Propagation Delay (tpd) | 24 | 330 | ns | |
| Power Supply Current (ICC) | 80 | µA | ||
| Input Current (II) | 1 | µA | ||
| Output Drive at 5 V | ±6 | mA |
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 (tpd) of 22 ns
- ±6-mA output drive at 5 V
- Low input current of 1-µA max
- Bus-structured pinout
- Positive edge-triggered D-type flip-flops
Applications
- Implementing buffer registers
- I/O ports
- Bidirectional bus drivers
- Working registers
- General-purpose logic applications requiring edge-triggered flip-flops
Q & A
- What is the operating voltage range of the SN74HC574N?
The operating voltage range is from 2 V to 6 V.
- What type of outputs does the SN74HC574N have?
The SN74HC574N has high-current 3-state noninverting outputs.
- What is the maximum power supply current (ICC) for the SN74HC574N?
The maximum power supply current is 80 µA.
- What is the typical propagation delay (tpd) of the SN74HC574N?
The typical propagation delay is 22 ns.
- What is the output drive capability at 5 V?
The output drive capability at 5 V is ±6 mA.
- What is the input current for the SN74HC574N?
The input current is 1 µA max.
- What type of trigger does the SN74HC574N use?
The SN74HC574N uses positive edge-triggered D-type flip-flops.
- What are some common applications of the SN74HC574N?
Common applications include implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
- What is the package type for the SN74HC574N?
The package type is PDIP (Plastic Dual In-Line Package) with 20 pins.
- Is the SN74HC574N compliant with RoHS regulations?
Yes, the SN74HC574N is compliant with EU RoHS, China RoHS, and REACH regulations.
