Overview
The 74HC164DB,118, produced by Nexperia USA Inc., is an 8-bit serial-in/parallel-out shift register. This device is part of the 74HC family, known for its high-speed CMOS logic and wide operating voltage range. It is designed to handle serial data input and provide parallel data output, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC | 2.0 | 5.5 | V | ||
| Output Drive Capability | ±5.2 | mA | |||
| Logic Switching Levels | VCC = 2.0 V | 0.5 | 0.8 | 1.5 | V |
| VCC = 4.5 V | 1.35 | 2.1 | 3.15 | V | |
| VCC = 6.0 V | 1.8 | 2.8 | 4.2 | V | |
| tpd (Propagation Delay) | VCC = 2.0 V | 41 | 170 | ns | |
| VCC = 4.5 V | 15 | 80 | ns | ||
| VCC = 6.0 V | 14 | 20 | ns | ||
| Tamb (Ambient Temperature) | -40 | 125 | °C | ||
| Package | SOIC-14, TSSOP-14 |
Key Features
- Wide Operating Voltage Range: 2.0V to 5.5V
- Output Drive Capability: ±5.2mA
- CMOS Low Power Consumption: Low power dissipation
- Gated Serial Data Inputs: DSA and DSB support serial data entry
- Asynchronous Master Reset Input: MR input clears the register and forces all outputs LOW
- Operating Temperature Range: -40°C to +125°C
- Package Options: Available in SOIC-14 and TSSOP-14 packages
Applications
- Servers and I/O Expanders: Used in server systems for data processing and I/O expansion
- LED Displays: Utilized in LED display systems for serial data transmission and display control
- Industrial and Automotive Systems: Employed in various industrial and automotive applications requiring serial-to-parallel data conversion
Q & A
- What is the operating voltage range of the 74HC164DB,118?
The operating voltage range is from 2.0V to 5.5V.
- What is the output drive capability of this device?
The output drive capability is ±5.2mA.
- What types of packages are available for the 74HC164DB,118?
The device is available in SOIC-14 and TSSOP-14 packages.
- How does the asynchronous master reset input work?
The MR input clears the register and forces all outputs LOW when held low.
- What is the operating temperature range of the device?
The operating temperature range is from -40°C to +125°C.
- Can the inputs handle voltages exceeding VCC?
Yes, the clamp diodes on the inputs allow the use of current limiting resistors to interface inputs to voltages in excess of VCC.
- What is the propagation delay of the device?
The propagation delay varies depending on VCC, ranging from 41ns to 170ns for VCC = 2.0V, and from 14ns to 20ns for VCC = 6.0V.
- Is the device suitable for industrial applications?
Yes, it is suitable for various industrial applications due to its robust operating temperature range and low power consumption.
- Can the device be used in automotive systems?
Yes, it can be used in automotive systems due to its wide operating voltage range and robust temperature specifications.
- How does the serial data input work?
Data can be entered serially through either DSA or DSB inputs, with either input allowing data to enter through the other as an active HIGH enable.
