Overview
The 74HC164D/AUJ, produced by NXP USA Inc., is an 8-bit serial-in, parallel-out shift register. This device is part of the 74HC family and is designed for a wide range of digital logic applications. It features two serial data inputs (DSA and DSB) and eight parallel data outputs (Q0 to Q7), allowing for flexible data entry and output configurations. The device operates over a wide supply voltage range from 2.0 to 6.0 V, making it versatile for various system designs.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | fmax (MHz) | Number of Bits | Power Dissipation Considerations | Tamb (°C) | Package Name |
|---|---|---|---|---|---|---|---|---|---|
| 74HC164D | 2.0 - 6.0 | CMOS | ± 5.2 | 12 | 78 | 8 | Low | -40 ~ 125 | SO14 (SOT108-1) |
Key Features
- 8-bit serial-in, parallel-out shift register
- Two serial data inputs (DSA and DSB) with gated serial data entry
- Eight parallel data outputs (Q0 to Q7)
- Data shifted on LOW-to-HIGH transitions of the clock (CP) input
- Asynchronous master reset (MR) input to clear the register
- CMOS low power dissipation
- High noise immunity
- Input levels: CMOS level for 74HC164
- Complies with JEDEC standards (JESD8C and JESD7A)
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- ESD protection: HBM ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
- Multiple package options, including SO14 (SOT108-1)
Applications
The 74HC164D/AUJ is suitable for a variety of digital logic applications, including:
- Serial-to-parallel data conversion
- Shift register applications in digital circuits
- Data storage and retrieval systems
- Control and monitoring systems requiring serial data input and parallel output
- General-purpose digital logic circuits where low power consumption and high noise immunity are required
Q & A
- What is the primary function of the 74HC164D/AUJ?
The primary function is to act as an 8-bit serial-in, parallel-out shift register.
- What is the supply voltage range for the 74HC164D/AUJ?
The supply voltage range is from 2.0 to 6.0 V.
- How many serial data inputs does the 74HC164D/AUJ have?
The device has two serial data inputs (DSA and DSB).
- What is the maximum clock frequency for the 74HC164D/AUJ?
The maximum clock frequency is 78 MHz.
- What type of logic switching levels does the 74HC164D/AUJ use?
The device uses CMOS logic switching levels.
- Does the 74HC164D/AUJ have ESD protection?
- What is the operating temperature range for the 74HC164D/AUJ?
The operating temperature range is from -40°C to 125°C.
- What package types are available for the 74HC164D/AUJ?
The device is available in SO14 (SOT108-1) package among others.
- Is the 74HC164D/AUJ compliant with any industry standards?
- What is the purpose of the master reset (MR) input?
The master reset (MR) input clears the register and forces all outputs LOW, independently of other inputs.
