Overview
The MM74HC14MX, produced by onsemi, is a Hex Inverting Schmitt Trigger integrated circuit. It utilizes advanced silicon-gate CMOS technology to achieve low power dissipation and high noise immunity. This device is part of the 74HC logic family, which is functionally and pinout compatible with the standard 74LS logic family. The MM74HC14MX is designed to drive 10 LS-TTL loads and features internal diode clamps to protect inputs from static discharge.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | - | 6 | V |
| DC Input Voltage (VIN) | -0.5 | - | VCC + 0.5 | V |
| DC Output Voltage (VOUT) | -0.5 | - | VCC + 0.5 | V |
| Operating Temperature Range (TA) | -55 | - | 125 | °C |
| Propagation Delay (tPHL, tPLH) at VCC = 5 V | - | 13 | 22 | ns |
| Input Current (IIN) at VCC = 6 V | - | - | ±1.0 | μA |
| Quiescent Supply Current (ICC) at VCC = 6 V | - | - | 20 | μA |
| Hysteresis Voltage (VH) at VCC = 4.5 V | 0.9 | - | 1.4 | V |
Key Features
- Low power dissipation and high noise immunity.
- Wide power supply range: 2 V to 6 V.
- Low quiescent current: 20 μA maximum.
- Low input current: 1 μA maximum.
- Fanout of 10 LS-TTL loads.
- Typical hysteresis voltage: 0.9 V at VCC = 4.5 V.
- Pb-free, halide-free, and RoHS compliant.
Applications
The MM74HC14MX is suitable for a variety of applications requiring low power consumption and high noise immunity, such as:
- Low power oscillators.
- Signal conditioning circuits.
- Interface circuits between different logic families.
- General-purpose logic circuits.
Q & A
- What is the MM74HC14MX? The MM74HC14MX is a Hex Inverting Schmitt Trigger integrated circuit produced by onsemi.
- What is the power supply range for the MM74HC14MX? The power supply range is from 2 V to 6 V.
- What is the typical propagation delay of the MM74HC14MX at VCC = 5 V? The typical propagation delay is 13 ns.
- How many LS-TTL loads can the MM74HC14MX drive? It can drive up to 10 LS-TTL loads.
- Is the MM74HC14MX Pb-free and RoHS compliant? Yes, it is Pb-free, halide-free, and RoHS compliant.
- What is the operating temperature range for the MM74HC14MX? The operating temperature range is from -55°C to 125°C.
- What is the typical hysteresis voltage at VCC = 4.5 V? The typical hysteresis voltage is 0.9 V.
- What is the maximum quiescent supply current at VCC = 6 V? The maximum quiescent supply current is 20 μA.
- Can the MM74HC14MX be used in low power oscillator applications? Yes, it is suitable for low power oscillator applications.
- Is the MM74HC14MX protected against static discharge? Yes, all inputs are protected from damage due to static discharge by internal diode clamps to VCC and ground.
