Overview
The 74HC253DB,112 is a dual 4-input multiplexer integrated circuit produced by NXP Semiconductors. This component belongs to the 74HC series and is designed to operate within a wide range of voltage and temperature conditions. It features two independent 4:1 multiplexers, each with four binary inputs, shared select inputs, and an output enable input. This allows for flexible data selection and routing, making it suitable for various digital logic applications.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | Power Dissipation Considerations | Tamb (°C) | Package Name |
|---|---|---|---|---|---|---|---|
| 74HC253DB,112 | 2.0 - 6.0 | CMOS | ± 7.8 | 17 | Low | -40 to +125 | SSOP16 |
Key Features
- Non-inverting data path
- 3-state outputs interface directly with system bus
- Complies with JEDEC standard
- Common select inputs (S0 and S1)
- Separate output enable inputs (nOE)
- Input levels: CMOS for 74HC253
- ESD protection: HBM JESD22-A114F exceeds 2000 V, MM JESD22-A115-A exceeds 200 V
- Multiple package options
- Specified from -40°C to +125°C operating temperature range
Applications
- Data selectors
- Data multiplexers
Q & A
- What is the primary function of the 74HC253DB,112?
The primary function is to act as a dual 4-input multiplexer, allowing the selection of one of four binary inputs to be routed to the output based on the select inputs.
- What are the logic switching levels for the 74HC253DB,112?
The logic switching levels are CMOS for the 74HC253 series.
- What is the output drive capability of the 74HC253DB,112?
The output drive capability is ± 7.8 mA.
- What is the propagation delay (tpd) for the 74HC253DB,112?
The propagation delay is approximately 17 ns.
- What is the operating temperature range for the 74HC253DB,112?
The operating temperature range is from -40°C to +125°C.
- What type of package is the 74HC253DB,112 available in?
The component is available in an SSOP16 package.
- Does the 74HC253DB,112 have ESD protection?
Yes, it has ESD protection with HBM JESD22-A114F exceeding 2000 V and MM JESD22-A115-A exceeding 200 V.
- Can the 74HC253DB,112 be used in high-impedance state?
Yes, a HIGH on the output enable input (nOE) causes the outputs to assume a high-impedance OFF-state.
- What are the common select inputs for the 74HC253DB,112?
The common select inputs are S0 and S1.
- Is the 74HC253DB,112 compliant with any specific standards?
Yes, it complies with JEDEC standards.
