Overview
The 74HC164D, produced by NXP USA Inc., is an 8-bit serial-in, parallel-out shift register. This device is fabricated using silicon gate C2MOS technology, which allows for high-speed operation while maintaining low power dissipation. It features two serial data inputs (DSA and DSB) and eight parallel data outputs (Q0 to Q7), making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC164D |
| Supply Voltage (VCC) | 2.0 to 6.0 V |
| Logic Switching Levels | CMOS |
| Output Drive Capability | ± 5.2 mA |
| Propagation Delay (tpd) | 12 ns |
| Maximum Frequency (fmax) | 78 MHz |
| Number of Bits | 8 |
| Power Dissipation | Low |
| Operating Temperature (Tamb) | -40°C to 125°C |
| Package | SO14 (SOT108-1) |
Key Features
- High speed operation with a maximum frequency of 78 MHz at VCC = 5 V.
- Low power dissipation with a maximum current consumption of 4.0 µA at Ta = 25°C.
- Wide operating voltage range from 2.0 to 6.0 V.
- CMOS logic switching levels, providing high noise immunity.
- Gated serial data inputs and asynchronous master reset.
- All inputs are equipped with protection circuits against static discharge or transient excess voltage.
Applications
The 74HC164D is suitable for a variety of digital circuit applications, including data processing, digital communication systems, and control systems. It can be used in scenarios where serial data needs to be converted into parallel data, such as in microcontroller or microprocessor interfaces, digital displays, and other digital logic circuits.
Q & A
- What is the primary function of the 74HC164D? The primary function of the 74HC164D is to act as an 8-bit serial-in, parallel-out shift register.
- What is the operating voltage range of the 74HC164D? The operating voltage range is from 2.0 to 6.0 V.
- What are the logic switching levels of the 74HC164D? The logic switching levels are CMOS.
- What is the maximum frequency of operation for the 74HC164D? The maximum frequency is 78 MHz at VCC = 5 V.
- How many parallel data outputs does the 74HC164D have? It has eight parallel data outputs (Q0 to Q7).
- What type of package is the 74HC164D available in? It is available in a SO14 (SOT108-1) package.
- What is the operating temperature range of the 74HC164D? The operating temperature range is from -40°C to 125°C.
- Does the 74HC164D have protection against static discharge? Yes, all inputs are equipped with protection circuits against static discharge or transient excess voltage.
- Can the 74HC164D be used in high-speed applications? Yes, it is designed for high-speed operation, similar to equivalent LSTTL while maintaining low power dissipation.
- Is the 74HC164D compliant with any industry standards? Yes, it complies with JEDEC standards.
