Overview
The MC74AC157DR2G is a high-speed quad 2-input multiplexer produced by onsemi. This device is designed to select four bits of data from two sources using a common Select and Enable input. It is part of the MC74AC157 and MC74ACT157 family, which are known for their high performance and compatibility with various logic standards.
The MC74AC157DR2G is packaged in a SOIC-16 Pb-free package, making it suitable for a wide range of applications where low power consumption and high reliability are crucial.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| DC Supply Voltage (VCC) | 2.0 to 6.0 | V | |
| DC Input Voltage (VI) | -0.5 to VCC + 0.5 | V | |
| DC Output Voltage (VO) | -0.5 to VCC + 0.5 | V | |
| Output Drive Capability | 24 mA | mA | |
| Propagation Delay (tPLH, tPHL) | 2.0 to 10.5 ns | ns | CL = 50 pF |
| Input Capacitance (CIN) | 4.5 pF | pF | VCC = 5.0 V |
| Power Dissipation Capacitance (CPD) | 50 pF | pF | VCC = 5.0 V |
| Package Type | SOIC-16 Pb-free | ||
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- High-speed quad 2-input multiplexer with common Select and Enable inputs.
- Outputs present the selected data in true (non-inverted) form.
- Compatible with TTL inputs (for MC74ACT157 variant).
- Low power consumption and high noise immunity characteristic of CMOS devices.
- Pb-free packages available.
- Can be used as a function generator to implement gating functions.
- Outputs can source/sink up to 24 mA.
Applications
- Data routing and selection in digital systems.
- Function generation and logic implementation.
- Moving data from two groups of registers to four common output buses.
- Various applications in automotive, communications, computing, consumer, industrial, and medical fields.
Q & A
- What is the MC74AC157DR2G?
The MC74AC157DR2G is a high-speed quad 2-input multiplexer produced by onsemi.
- What is the operating voltage range of the MC74AC157DR2G?
The operating voltage range is from 2.0 to 6.0 volts.
- What type of package does the MC74AC157DR2G come in?
The device is packaged in a SOIC-16 Pb-free package.
- What is the propagation delay of the MC74AC157DR2G?
The propagation delay ranges from 2.0 to 10.5 nanoseconds.
- Is the MC74AC157DR2G compatible with TTL inputs?
Yes, the MC74ACT157 variant is compatible with TTL inputs.
- What is the output drive capability of the MC74AC157DR2G?
The device can source/sink up to 24 mA.
- Can the MC74AC157DR2G be used as a function generator?
Yes, it can be used to generate any four of the sixteen different functions of two variables with one variable common.
- What are some common applications of the MC74AC157DR2G?
Common applications include data routing, function generation, and various uses in automotive, communications, and industrial fields.
- Is the MC74AC157DR2G Pb-free?
Yes, the device is available in Pb-free packages.
- What is the operating temperature range of the MC74AC157DR2G?
The operating temperature range is from -40°C to +85°C.
