Overview
The SN74LS173AN is a 4-bit D-type register with 3-state outputs, manufactured by Texas Instruments. It belongs to the 74LS series of low-power Schottky logic ICs, designed for high-speed operation with reduced power consumption. This component is widely used in digital systems for data storage and transfer applications. Its primary target users include engineers and designers working on digital logic circuits, particularly in industrial automation, consumer electronics, and embedded systems. The SN74LS173AN stands out for its 3-state outputs, which allow direct interfacing with system buses, and its ability to drive highly capacitive or low-impedance loads.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Category | Trigger | - | - |
| Package | DIP-16 | - | - |
| Frequency | 50 | MHz | - |
| Supply Voltage | 4.75 ~ 5.25 | V | - |
| Output Current | 24 | mA | - |
| Clock Frequency | 50 | MHz | - |
| Propagation Delay | 30 | ns | @ 5V, 45pF |
| Operating Temperature | 0 ~ 70 | °C | - |
| Output Type | 3-State, Non-Inverting | - | - |
Key Features
- 4-bit D-type register with 3-state outputs for direct bus interfacing.
- High-speed operation with a propagation delay of 30 ns.
- Low-power Schottky technology for reduced power consumption.
- Wide operating voltage range of 4.75V to 5.25V.
- Designed for driving highly capacitive or low-impedance loads.
- Gated output control lines for enabling or disabling outputs.
Applications
The SN74LS173AN is commonly used in digital systems for data storage and transfer. Its 3-state outputs make it ideal for interfacing with system buses in applications such as industrial automation, consumer electronics, and embedded systems. It is also suitable for use in bus buffer registers, where it provides high-speed data handling and efficient power management. Additionally, its robust design ensures reliable performance in a wide range of operating conditions.
Q & A
1. What is the operating voltage range of the SN74LS173AN?
The operating voltage range is 4.75V to 5.25V.
2. What is the maximum clock frequency supported?
The maximum clock frequency is 50 MHz.
3. What is the propagation delay of the SN74LS173AN?
The propagation delay is 30 ns at 5V and 45pF.
4. How many bits does the SN74LS173AN register handle?
It handles 4 bits of data.
5. What is the output type of the SN74LS173AN?
The output type is 3-state, non-inverting.
6. What is the maximum output current?
The maximum output current is 24 mA.
7. What is the operating temperature range?
The operating temperature range is 0°C to 70°C.
8. Can the SN74LS173AN drive capacitive loads?
Yes, it is designed to drive highly capacitive or low-impedance loads.
9. What is the package type of the SN74LS173AN?
The package type is DIP-16.
10. Is the SN74LS173AN suitable for bus interfacing?
Yes, its 3-state outputs make it ideal for direct bus interfacing.
