Overview
The SN54HC374J, manufactured by Texas Instruments, is a high-performance octal D-type edge-triggered flip-flop with 3-state outputs. This integrated circuit is part of the 74HC series, known for its reliability and versatility in digital logic applications. Designed for use in environments requiring robust performance, the SN54HC374J is ideal for applications such as buffer registers, I/O ports, and bidirectional bus drivers. Its market positioning targets engineers and designers in industrial automation, consumer electronics, and automotive electronics, offering a balance of speed, power efficiency, and functionality.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2V to 6V | V | |
| Static Current | 8µA | A | |
| Maximum Propagation Delay | 39ns | ns | @6V, 150pF |
| Output Type | 3-State, Non-Inverting | ||
| Number of Bits per Element | 8 | ||
| Operating Frequency | 70MHz | MHz | |
| Trigger Type | Positive Edge | ||
| Package/Case | CDIP | ||
| Pin Count | 20 | ||
| Output Current | 7.8mA | mA | Both IOH and IOL |
| Operating Temperature | -40°C to +85°C | °C | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Wide operating voltage range of 2V to 6V, ensuring compatibility with various logic levels.
- 3-state outputs for high impedance state, enabling bus-oriented applications.
- High-speed operation with a maximum propagation delay of 39ns.
- Low power consumption with a static current of 8µA.
- Edge-triggered D-type flip-flops for reliable data storage and transfer.
- Robust design suitable for industrial and automotive environments.
Applications
The SN54HC374J is widely used in various applications, including:
- Industrial Automation: Buffer registers and control logic for machinery and equipment.
- Consumer Electronics: Interface circuits and I/O port management in devices like printers and scanners.
- Automotive Electronics: Signal processing and data storage in vehicle control systems.
- Bidirectional Bus Drivers: Efficient data transfer in communication systems and microcontrollers.
Q & A
1. What is the operating voltage range of the SN54HC374J?
The operating voltage range is 2V to 6V.
2. What is the maximum propagation delay of the SN54HC374J?
The maximum propagation delay is 39ns at 6V with a 150pF load.
3. Does the SN54HC374J support 3-state outputs?
Yes, it features 3-state outputs for high impedance state.
4. What is the static current consumption of the SN54HC374J?
The static current is 8µA.
5. How many bits per element does the SN54HC374J support?
It supports 8 bits per element.
6. What is the operating temperature range of the SN54HC374J?
The operating temperature range is -40°C to +85°C.
7. What is the package type of the SN54HC374J?
It comes in a CDIP package.
8. Is the SN54HC374J RoHS compliant?
Yes, it is RoHS compliant.
9. What is the maximum output current of the SN54HC374J?
The maximum output current is 7.8mA for both sourcing and sinking.
10. What are the typical applications of the SN54HC374J?
Typical applications include buffer registers, I/O ports, and bidirectional bus drivers.
