Overview
The 74HC14D is a hex inverter with Schmitt-trigger inputs, fabricated using silicon gate CMOS technology. This device is part of the 74HC family and is designed to provide high-speed operation while maintaining low power dissipation. It is particularly useful for interfacing with TTL logic levels due to its reduced input threshold levels and hysteresis characteristics.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Number of bits | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|---|---|
| 74HC14D | 2.0 - 6.0 | CMOS | ± 5.2 | 36 | 6 | Low | -40 to 125 | SO14 (SOT108-1) |
Key Features
- High speed operation with a typical propagation delay of 11 ns at VCC = 5 V.
- Low power dissipation with a maximum current consumption of 1.0 µA at Ta = 25 °C.
- High noise immunity with a typical hysteresis voltage of 1.1 V at VCC = 4.5 V.
- Wide operating voltage range from 2.0 to 6.0 V.
- Balanced propagation delays.
- Inputs equipped with protection circuits against static discharge or transient excess voltage.
- Schmitt trigger inputs transform slowly changing input signals into sharply defined, jitter-free output signals.
Applications
The 74HC14D is versatile and can be used in various applications, including:
- Line receivers to handle slow input signals.
- Interface circuits to TTL logic levels.
- General-purpose logic circuits requiring high noise immunity and low power consumption.
- Automotive, industrial, power, computing, consumer, mobile, and wearable electronics.
Q & A
- What is the 74HC14D?
The 74HC14D is a hex inverter with Schmitt-trigger inputs, fabricated using silicon gate CMOS technology. - What is the operating voltage range of the 74HC14D?
The operating voltage range is from 2.0 to 6.0 V. - What is the typical propagation delay of the 74HC14D at VCC = 5 V?
The typical propagation delay is 11 ns. - What is the maximum current consumption of the 74HC14D at Ta = 25 °C?
The maximum current consumption is 1.0 µA. - What type of inputs does the 74HC14D have?
The 74HC14D has Schmitt-trigger inputs with hysteresis and protection circuits against static discharge or transient excess voltage. - What is the package type of the 74HC14D?
The package type is SO14 (SOT108-1). - What are the temperature operating ranges for the 74HC14D?
The operating temperature range is from -40 to 125 °C. - Can the 74HC14D be used in high-noise environments?
Yes, the 74HC14D has high noise immunity due to its Schmitt-trigger inputs. - What are some common applications of the 74HC14D?
Common applications include line receivers, interface circuits to TTL logic levels, and general-purpose logic circuits. - Is the 74HC14D RoHS compliant?
Yes, the 74HC14D is RoHS compliant.
