Overview
The 74LVC595APW,118 is an 8-bit serial-in/serial or parallel-out shift register produced by Nexperia USA Inc. This device features a storage register and 3-state outputs, making it versatile for various digital circuit applications. It is designed to operate in mixed 3.3 V and 5 V environments, allowing for flexibility in system design. The shift register and storage register have separate clocks, enabling precise control over data transfer. The device also includes an asynchronous reset input (MR) and an output enable input (OE) to manage the output states effectively.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC (Supply Voltage) | 1.2 - 5.5 | V |
| Logic Switching Levels | CMOS/LVTTL | |
| Output Drive Capability | ± 24 | mA |
| tpd (Propagation Delay) | 4.0 | ns |
| fmax (Maximum Frequency) | 180 | MHz |
| Number of Bits | 8 | |
| Package Type | TSSOP16 (SOT403-1) | |
| Operating Temperature Range | -40 to +125 | °C |
| Power Dissipation Considerations | Low |
Key Features
- 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs.
- Separate clocks for the shift and storage registers.
- Asynchronous reset input (MR) to reset the shift register.
- Output enable input (OE) to control the output states.
- Inputs can be driven from either 3.3 V or 5 V devices, allowing mixed voltage environment operation.
- IOFF circuitry for partial power-down applications, preventing backflow current when powered down.
- Low power dissipation.
Applications
The 74LVC595APW,118 is suitable for a wide range of applications across various industries, including:
- Automotive systems: For data transfer and storage in automotive electronics.
- Industrial control systems: For sequential data processing and storage.
- Consumer electronics: For display drivers, LED drivers, and other digital control circuits.
- Mobile and wearable devices: For compact and low-power digital logic solutions.
- Computing and power systems: For data transfer and storage in computing peripherals and power management systems.
Q & A
- What is the primary function of the 74LVC595APW,118?
The primary function is to act as an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs. - What are the operating voltage ranges for this device?
The device operates within a supply voltage range of 1.2 V to 5.5 V. - Can the inputs be driven from both 3.3 V and 5 V devices?
Yes, the inputs can be driven from either 3.3 V or 5 V devices, making it suitable for mixed voltage environments. - What is the purpose of the OE input?
The OE (Output Enable) input controls the output states; a LOW on OE enables the outputs, while a HIGH causes the outputs to assume a high-impedance OFF-state. - How does the asynchronous reset input (MR) function?
A LOW on the MR input resets the shift register. - What is the maximum frequency of operation for this device?
The maximum frequency of operation is 180 MHz. - What is the propagation delay of the 74LVC595APW,118?
The propagation delay is 4.0 ns. - What package type is the 74LVC595APW,118 available in?
The device is available in a TSSOP16 (SOT403-1) package. - What is the operating temperature range for this device?
The operating temperature range is -40°C to +125°C. - Is the 74LVC595APW,118 suitable for partial power-down applications?
Yes, it features IOFF circuitry that disables the output to prevent backflow current when powered down.
