Overview
The 74HC157D/S400118 is a high-speed CMOS 2-channel multiplexer produced by NXP USA Inc. This integrated circuit is fabricated with silicon gate C2MOS technology, offering high-speed operation similar to equivalent LSTTL while maintaining the low power dissipation characteristic of CMOS devices. The multiplexer is designed to select one of two data inputs and transfer it to the output, based on the SELECT decoding. It is widely used in various digital circuits where data selection and routing are necessary.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | NXP Semiconductors |
| Voltage Supply Source | Single Supply |
| Voltage - Supply | 2V ~ 6V |
| Type | Multiplexer |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Independent Circuits | 1 |
| Circuit | 4 x 2:1 |
| Current - Output High, Low | 5.2mA, 5.2mA |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | Not applicable |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
Key Features
- Wide Operating Temperature Range: -40°C to 125°C.
- High Speed: Propagation delay time (tpd) of 10 ns (typ.) at VCC = 5 V.
- Low Power Dissipation: ICC = 4.0 µA (max) at Ta = 25°C.
- Balanced Propagation Delays: tPLH ≈ tPHL.
- Wide Operating Voltage Range: VCC(opr) = 2.0 to 6.0 V.
- Protection Circuits: All inputs are equipped with protection circuits against static discharge or transient excess voltage.
Applications
The 74HC157D/S400118 is suitable for a variety of digital circuit applications, including:
- Data Selection and Routing: In systems where multiple data sources need to be selectively routed to a single output.
- Digital Switching Circuits: For applications requiring high-speed switching between different data paths.
- Communication Systems: In communication systems where data needs to be multiplexed or demultiplexed.
- Embedded Systems: In embedded systems requiring low power consumption and high-speed data handling.
Q & A
- What is the primary function of the 74HC157D/S400118?
The primary function is to act as a 2-channel multiplexer, selecting one of two data inputs and transferring it to the output based on the SELECT decoding. - What is the operating temperature range of the 74HC157D/S400118?
The operating temperature range is -40°C to 125°C. - What is the typical propagation delay time of the 74HC157D/S400118?
The typical propagation delay time (tpd) is 10 ns at VCC = 5 V. - What is the maximum output current of the 74HC157D/S400118?
The maximum output current is 5.2mA for both high and low outputs. - Is the 74HC157D/S400118 RoHS compliant?
No, it is not applicable for RoHS compliance. - What is the package type of the 74HC157D/S400118?
The package type is 16-SOIC (0.154", 3.90mm Width). - What is the moisture sensitivity level (MSL) of the 74HC157D/S400118?
The MSL is 3 (168 Hours)). - What are the ECCN and HTSUS codes for the 74HC157D/S400118?
The ECCN code is EAR99, and the HTSUS code is 8542.39.0001). - Does the 74HC157D/S400118 have protection against static discharge?
Yes, all inputs are equipped with protection circuits against static discharge or transient excess voltage). - What is the typical power dissipation of the 74HC157D/S400118?
The typical power dissipation is ICC = 4.0 µA (max) at Ta = 25°C).
