Overview
The 74HC251D is an 8-input multiplexer integrated circuit produced by Nexperia USA Inc. This device is part of the 74HC/74HCT family and is designed to select one of eight binary inputs and route it to the complementary outputs. It is widely used in various electronic designs due to its versatility and robust performance.
Key Specifications
| Parameter | Value |
|---|---|
| VCC (V) | 2.0 - 6.0 |
| Logic Switching Levels | CMOS |
| Output Drive Capability (mA) | ± 5.2 |
| Propagation Delay (tpd) (ns) | 18 |
| Power Dissipation | Low |
| Operating Temperature (Tamb) (°C) | -40 to +125 |
| Package | SO16 (SOT109-1) |
Key Features
- Wide supply voltage range from 2.0 V to 6.0 V
- CMOS low power dissipation
- High noise immunity
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- ESD protection: HBM exceeds 2000 V, CDM exceeds 1000 V
- Non-inverting data path
Applications
The 74HC251D finds applications across various industries, including automotive, industrial, power, computing, consumer, mobile, and wearables. It is particularly useful in designs requiring multiple input selection and routing, such as in control systems, data processing units, and communication devices.
Q & A
- What is the supply voltage range of the 74HC251D?
The supply voltage range is from 2.0 V to 6.0 V. - What is the logic switching level of the 74HC251D?
The logic switching level is CMOS. - What is the output drive capability of the 74HC251D?
The output drive capability is ± 5.2 mA. - What is the propagation delay of the 74HC251D?
The propagation delay is 18 ns. - What is the operating temperature range of the 74HC251D?
The operating temperature range is from -40 °C to +125 °C. - What type of package does the 74HC251D come in?
The 74HC251D comes in an SO16 (SOT109-1) package. - Does the 74HC251D have ESD protection?
Yes, it has ESD protection: HBM exceeds 2000 V, CDM exceeds 1000 V. - Is the 74HC251D suitable for high noise environments?
Yes, it has high noise immunity. - What are some common applications of the 74HC251D?
It is used in automotive, industrial, power, computing, consumer, mobile, and wearable applications. - Can the 74HC251D be used in control systems?
Yes, it is particularly useful in control systems requiring multiple input selection and routing.
