Overview
The 74HC157DB,112 is a quad 2-input multiplexer integrated circuit produced by Nexperia USA Inc. This device is part of the 74HC series, known for its high-performance and low-power CMOS logic. The 74HC157 is designed to select one of two data sources based on the state of the select input, making it a versatile component in digital circuit design.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.0 to 6.0 | V |
| Input Voltage Levels | CMOS level for 74HC157, TTL level for 74HCT157 | - |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | SSOP16 (SOT338-1) | - |
| Number of Inputs | 8 (including select and enable inputs) | - |
| Number of Outputs | 4 | - |
| Input Leakage Current | ±0.1 to ±1.0 | μA |
| Supply Current | Up to 160 | μA |
| Transition Time | Up to 19 ns at VCC = 6.0 V | ns |
| ESD Protection | Available | - |
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
- Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V)
- Non-inverting data path
- ESD protection
- Input clamp diodes to interface inputs to voltages in excess of VCC
Applications
The 74HC157DB,112 is suitable for a variety of digital circuit applications, including data routing, signal switching, and multiplexing in systems that require low power consumption and high noise immunity. It is commonly used in automotive, industrial, and consumer electronics where reliable and efficient data selection is necessary.
Q & A
- What is the primary function of the 74HC157DB,112? The primary function is to act as a quad 2-input multiplexer, selecting one of two data sources based on the select input.
- What is the supply voltage range for the 74HC157DB,112? The supply voltage range is from 2.0 V to 6.0 V.
- What are the input voltage levels for this device? The input voltage levels are CMOS for the 74HC157 and TTL for the 74HCT157.
- What is the operating temperature range for this IC? The operating temperature range is -40 to +125 °C.
- What package type is the 74HC157DB,112 available in? It is available in SSOP16 (SOT338-1) package.
- Does the 74HC157DB,112 have ESD protection? Yes, it has ESD protection.
- What is the maximum supply current for this device? The maximum supply current is up to 160 μA.
- Is the 74HC157DB,112 RoHS compliant? Yes, it is RoHS compliant.
- What are some common applications for the 74HC157DB,112? It is used in automotive, industrial, and consumer electronics for data routing, signal switching, and multiplexing.
- Is the 74HC157DB,112 still in production? No, the 74HC157DB,112 is obsolete and no longer manufactured.
