Overview
The 74HC166DB118 is an 8-bit serial or parallel-in/serial-out shift register produced by Nexperia USA Inc. This integrated circuit is part of the 74HC series and is designed for a wide range of applications requiring data shifting and storage. The device can operate in both serial and parallel modes, making it versatile for various digital circuit designs.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package / Case | 16-VFQFN Exposed Pad | 16-SSOP (0.209, 5.30mm Width) |
| Number of Pins | 16 | |
| Operating Temperature | -40°C to 125°C | |
| Voltage - Supply | 2V to 6V | |
| Logic Type | Shift Register | |
| Number of Elements | 1 | |
| Number of Bits per Element | 8 | |
| Output Type | Push-Pull | |
| Propagation Delay | 15 ns (typical at VCC = 4.5V) | |
| Quiescent Current | 8 μA (typical at VCC = 6V) | |
| Trigger Type | Positive Edge | |
| Maximum Clock Frequency | 20 MHz (minimum) | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| RoHS Status | ROHS3 Compliant |
Key Features
- 8-bit serial or parallel-in/serial-out shift register
- Wide supply voltage range from 2.0 V to 6.0 V
- CMOS low power dissipation
- Operating temperature range from -40°C to 125°C
- Surface mount package with 16 pins
- Clock enable input (CE) to control data shifting
- Parallel enable input (PE) for loading data in parallel mode
- Inputs include clamp diodes for interfacing with higher voltages
- Push-pull output type for reliable signal transmission
Applications
The 74HC166DB118 is suitable for a variety of applications, including:
- Digital circuit designs requiring data shifting and storage
- Automotive electronics for safety and efficiency improvements
- Industrial automation and control systems
- Consumer electronics such as audio and video equipment
- Mobile and wearable devices requiring low power consumption
Q & A
- What is the package type of the 74HC166DB118?
The package type is 16-VFQFN Exposed Pad or 16-SSOP (0.209, 5.30mm Width).
- What is the operating temperature range of the 74HC166DB118?
The operating temperature range is from -40°C to 125°C.
- What is the supply voltage range for the 74HC166DB118?
The supply voltage range is from 2.0 V to 6.0 V.
- What is the logic type of the 74HC166DB118?
The logic type is a Shift Register.
- How many bits can the 74HC166DB118 shift?
The device can shift 8 bits per element.
- What is the typical propagation delay of the 74HC166DB118?
The typical propagation delay is 15 ns at VCC = 4.5V.
- Is the 74HC166DB118 RoHS compliant?
Yes, the 74HC166DB118 is ROHS3 Compliant.
- What is the maximum clock frequency for the 74HC166DB118?
The minimum maximum clock frequency is 20 MHz.
- How does the clock enable input (CE) function?
The clock enable input (CE) disables the clock input (CP) when it is HIGH, preventing data from being shifted.
- What is the purpose of the parallel enable input (PE)?
The parallel enable input (PE) allows data to be loaded into the shift register in parallel mode when it is LOW.
