Overview
The NXP USA Inc. 74HCT14D/AU118 is a high-speed CMOS hex inverter with Schmitt-trigger inputs, fabricated using silicon gate C2MOS technology. This device is designed to achieve high-speed operation similar to equivalent LSTTL while maintaining the low power dissipation characteristic of CMOS technology. It is particularly useful for level conversion between TTL, NMOS, and high-speed CMOS systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | NXP USA Inc. | |
| Part Number | 74HCT14D/AU118 | |
| Category | Logic - Gates and Inverters | |
| Description | IC INVERT SCHMITT 6CH 6-INP 14SO | |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | |
| Mounting Type | Surface Mount | |
| Number of Circuits | 6 | |
| Number of Inputs | 6 | |
| Current - Output High, Low | 4mA, 4mA | mA |
| Current - Quiescent (Max) | 2 µA | µA |
| Logic Type | Inverter | |
| Max Propagation Delay @ V, Max CL | 34ns @ 4.5V, 50pF | ns |
| Logic Level - Low | 0.5V ~ 0.6V | V |
| Logic Level - High | 1.9V ~ 2.1V | V |
| Voltage - Supply | 4.5V ~ 5.5V | V |
| Operating Temperature | -40°C ~ 125°C | °C |
Key Features
- High speed operation: tpd = 17 ns (typ.) at VCC = 5 V
- Low power dissipation: ICC = 1.0 µA (max) at Ta = 25°C
- Wide interfacing ability: compatible with LSTTL, NMOS, and CMOS output voltage levels
- Balanced propagation delays: tPLH ≈ tPHL
- Schmitt-trigger inputs for noise immunity
- Protection circuits against static discharge or transient excess voltage
Applications
- Level conversion between TTL, NMOS, and high-speed CMOS systems
- General logic functions in digital circuits
- Noise reduction and signal conditioning due to Schmitt-trigger inputs
- High-speed digital systems requiring low power consumption
Q & A
- What is the 74HCT14D/AU118 used for?
The 74HCT14D/AU118 is a hex inverter with Schmitt-trigger inputs, used for level conversion and general logic functions in digital circuits.
- What is the supply voltage range for the 74HCT14D/AU118?
The supply voltage range is 4.5V to 5.5V.
- What is the maximum propagation delay of the 74HCT14D/AU118?
The maximum propagation delay is 34ns at 4.5V with a 50pF load.
- What type of inputs does the 74HCT14D/AU118 have?
The inputs are Schmitt-trigger type, providing noise immunity.
- Is the 74HCT14D/AU118 RoHS compliant?
- What is the operating temperature range of the 74HCT14D/AU118?
The operating temperature range is -40°C to 125°C.
- How many circuits and inputs does the 74HCT14D/AU118 have?
- What is the quiescent current of the 74HCT14D/AU118?
- What type of package does the 74HCT14D/AU118 come in?
- Is the 74HCT14D/AU118 suitable for high-speed applications?
