Overview
The SN74LV595ADR is a high-performance, 8-bit shift register with output latches, manufactured by Texas Instruments. This IC is designed for applications requiring serial-to-parallel data conversion, making it a versatile component in digital systems. It is part of the LV (Low-Voltage) family, ensuring compatibility with low-voltage systems while maintaining robust performance. The SN74LV595ADR is widely used in applications such as LED displays, data storage, and general-purpose logic expansion. Its compact SOIC-16 package and low power consumption make it suitable for portable and space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Shift Register | - | 8-bit with output latches |
| Supply Voltage | 2 V to 5.5 V | V | Low-voltage operation |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Output Current | ±6 | mA | High drive capability |
| Package | SOIC-16 | - | Surface mount |
| Propagation Delay | 11 | ns | Typical at 5 V |
| Power Dissipation | 500 | mW | Maximum |
| Number of Outputs | 8 | - | Parallel outputs |
| Input Capacitance | 3 | pF | Typical |
| Mounting Type | Surface Mount | - | Suitable for PCB assembly |
Key Features
- Low-Voltage Operation: Supports supply voltages from 2 V to 5.5 V, making it ideal for battery-powered and low-power applications.
- High-Speed Performance: Features a propagation delay of 11 ns (typical) at 5 V, ensuring efficient data transfer.
- Output Latches: Includes 8-bit output latches for stable data retention during shifting operations.
- Compact Package: Available in a space-saving SOIC-16 package, suitable for modern PCB designs.
- High Drive Capability: Can source or sink up to 6 mA per output, enabling direct drive of LEDs and other loads.
Applications
The SN74LV595ADR is widely used in various digital systems, including:
- LED Displays: Drives multiple LEDs in matrix or segment displays, simplifying control circuitry.
- Data Storage: Acts as a buffer or temporary storage for serial data in microcontroller-based systems.
- Logic Expansion: Extends the number of output pins in microcontrollers or other logic devices.
- Industrial Automation: Used in control systems for signal distribution and data handling.
- Consumer Electronics: Found in devices such as remote controls, gaming consoles, and home appliances.
Q & A
1. What is the operating voltage range of the SN74LV595ADR?
The SN74LV595ADR operates within a voltage range of 2 V to 5.5 V.
2. Can this IC drive LEDs directly?
Yes, it can source or sink up to 6 mA per output, making it suitable for driving LEDs directly.
3. What is the typical propagation delay?
The typical propagation delay is 11 ns at a supply voltage of 5 V.
4. Is the SN74LV595ADR suitable for industrial applications?
Yes, it operates in the industrial temperature range of -40°C to 85°C.
5. What package does this IC come in?
It is available in a SOIC-16 surface-mount package.
6. How many outputs does the SN74LV595ADR have?
It has 8 parallel outputs.
7. What is the maximum power dissipation?
The maximum power dissipation is 500 mW.
8. Can it be used in battery-powered devices?
Yes, its low-voltage operation makes it ideal for battery-powered applications.
9. Does it include output latches?
Yes, it features 8-bit output latches for stable data retention.
10. Is this IC compatible with microcontrollers?
Yes, it is commonly used to expand the output capabilities of microcontrollers.
