Overview
The Texas Instruments SN74AHC14MDREP is a hex inverter integrated circuit with Schmitt-trigger inputs. This device is part of the AHC (Advanced High-Speed CMOS) logic family and is designed to provide reliable and efficient logic operations. Each of the six independent inverters performs the Boolean function Y = A in positive logic, making it suitable for a variety of digital circuit applications.
Key Specifications
| Parameter | Value |
|---|---|
| Logic Function | Inverter |
| Input Type | Schmitt Trigger |
| Number of Elements per Chip | 6 |
| Maximum Propagation Delay Time @ Maximum CL | 125 ns @ 2 V, 21 ns @ 6 V, 25 ns @ 4.5 V |
| Maximum High Level Output Current | -5.2 mA |
| Maximum Low Level Output Current | 5.2 mA |
| Mounting Type | Through Hole |
| Package Type | PDIP (for SN74HC14N), but SN74AHC14MDREP is likely in a different package such as MicroStar Junior (see similar models) |
| Pin Count | 14 |
| Logic Family | AHC (Advanced High-Speed CMOS) |
| Minimum Operating Supply Voltage | 2 V |
| Maximum Operating Supply Voltage | 5.5 V (typical for AHC family, but check specific datasheet for SN74AHC14MDREP) |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +85 °C |
Key Features
- Buffered inputs to improve signal integrity
- Wide operating voltage range: 2 V to 5.5 V (typical for AHC family)
- Wide operating temperature range: -40°C to +85°C
- Supports fanout up to 10 LSTTL loads
- Significant power reduction compared to LSTTL logic ICs
Applications
The SN74AHC14MDREP is suitable for various digital circuit applications, including but not limited to:
- Signal conditioning and noise reduction due to its Schmitt-trigger inputs
- Logic gates and inverters in digital circuits
- Interface circuits requiring buffered inputs
- Applications requiring low power consumption and high speed
Q & A
- What is the primary function of the SN74AHC14MDREP? The primary function is to act as a hex inverter with Schmitt-trigger inputs.
- What is the logic family of the SN74AHC14MDREP? It belongs to the AHC (Advanced High-Speed CMOS) logic family.
- What is the operating voltage range of the SN74AHC14MDREP? The operating voltage range is typically from 2 V to 5.5 V.
- How many independent inverters does the SN74AHC14MDREP contain? It contains six independent inverters.
- What is the maximum propagation delay time of the SN74AHC14MDREP? The maximum propagation delay time varies with voltage, e.g., 125 ns @ 2 V, 21 ns @ 6 V, and 25 ns @ 4.5 V.
- What are the minimum and maximum operating temperatures of the SN74AHC14MDREP? The minimum operating temperature is -40 °C, and the maximum is +85 °C.
- What type of inputs does the SN74AHC14MDREP have? It has Schmitt-trigger inputs.
- What is the significance of Schmitt-trigger inputs in the SN74AHC14MDREP? Schmitt-trigger inputs help in noise reduction and signal conditioning.
- Can the SN74AHC14MDREP support fanout to other logic ICs? Yes, it supports fanout up to 10 LSTTL loads.
- What are some typical applications of the SN74AHC14MDREP? Typical applications include signal conditioning, logic gates, interface circuits, and low-power high-speed digital circuits.
