Overview
The SN74LV595AD is an 8-bit shift register with output latches, produced by Texas Instruments. It is designed for high-speed data transfer and storage, making it suitable for applications requiring serial-to-parallel conversion. This component is widely used in digital electronics, including LED displays, industrial control systems, and microcontroller-based projects. Its key features include a 3-state output, separate shift and storage registers, and a high-speed operation of up to 24 MHz. The SN74LV595AD is a reliable and versatile solution for expanding I/O capabilities in embedded systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Shift Register | - | 8-bit serial-in, parallel-out |
| Supply Voltage | 2.0 to 5.5 | V | - |
| Operating Temperature | -40 to 85 | °C | - |
| Output Type | 3-State | - | High impedance when disabled |
| Clock Frequency | Up to 24 | MHz | - |
| Package | SOIC-16 | - | - |
| Pin Count | 16 | - | - |
| Mounting Type | Surface Mount | - | - |
Key Features
- 8-bit serial input and parallel output with storage register
- Separate clocks for shift and storage registers
- 3-state outputs for bus interface applications
- High-speed operation up to 24 MHz
- Cascadable for larger data transfers
- Low power consumption
Applications
The SN74LV595AD is ideal for applications requiring serial-to-parallel data conversion, such as LED displays, microcontroller I/O expansion, and industrial control systems. Its ability to drive multiple outputs with minimal control pins makes it a popular choice for embedded systems and digital electronics. Additionally, its 3-state outputs enable seamless integration into bus-based architectures.
Q & A
1. What is the maximum clock frequency of the SN74LV595AD?
The maximum clock frequency is 24 MHz.
2. Can the SN74LV595AD be cascaded?
Yes, it can be cascaded using the serial output (Q7S) pin.
3. What is the supply voltage range?
The supply voltage ranges from 2.0 V to 5.5 V.
4. Does it support 3-state outputs?
Yes, it features 3-state outputs for bus interface applications.
5. What is the operating temperature range?
It operates between -40°C and 85°C.
6. How many pins does the SN74LV595AD have?
It has 16 pins in an SOIC package.
7. Is the SN74LV595AD suitable for LED displays?
Yes, it is commonly used for driving LED displays.
8. What is the function of the storage register?
The storage register holds the data from the shift register and outputs it in parallel.
9. Can it be used in industrial control systems?
Yes, it is suitable for industrial control applications.
10. What is the output current capability?
The output current capability is typically 6 mA per output pin.
