Overview
The SN74HCT574DW is an octal edge-triggered D-type flip-flop integrated circuit produced by Texas Instruments. This device is part of the 74HCT family of CMOS logic ICs, known for their high-speed operation and low power consumption. The SN74HCT574DW features 3-state outputs, making it particularly suitable for bus driving applications. It is widely used in implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 4.5 to 5.5 | V |
| Maximum Operating Supply Voltage | 5.5 | V |
| Minimum Operating Supply Voltage | 4.5 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Maximum Propagation Delay Time | 53 ns @ 4.5 V | ns |
| Output Drive (IOL/IOH) | ±6 mA | mA |
| Input Current | 1 μA max | μA |
| Power Consumption (ICC) | 80 μA max | μA |
| Package Type | SOIC-20 | |
| Pin Count | 20 | |
| Number of Elements per Chip | 8 | |
| Triggering Type | Positive Edge | |
| Polarity | Non-Inverting |
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 time of 22ns
- ±6mA output drive at 5V
- Low input current of 1μA max
- Inputs are TTL-voltage compatible
- Bus-structured pinout
- Positive edge triggering
- Non-inverting outputs
Applications
The SN74HCT574DW is suitable for various applications, including:
- Implementing buffer registers
- I/O ports
- Bidirectional bus drivers
- Working registers
- Bus driving in digital systems
Q & A
- What is the operating voltage range of the SN74HCT574DW?
The operating voltage range is from 4.5V to 5.5V.
- What type of outputs does the SN74HCT574DW have?
The device features 3-state noninverting outputs.
- What is the maximum propagation delay time of the SN74HCT574DW?
The maximum propagation delay time is 53 ns at 4.5 V.
- What is the output drive capability of the SN74HCT574DW?
The output drive capability is ±6 mA at 5 V.
- What is the input current of the SN74HCT574DW?
The input current is 1 μA max.
- Is the SN74HCT574DW compatible with TTL inputs?
Yes, the inputs are TTL-voltage compatible.
- What is the triggering type of the SN74HCT574DW?
The triggering type is positive edge.
- What is the package type of the SN74HCT574DW?
The package type is SOIC-20.
- What is the operating temperature range of the SN74HCT574DW?
The operating temperature range is from -40°C to 85°C).
- What are some common applications of the SN74HCT574DW?
Common applications include implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers).
