Overview
The SN74HC14DRG3 is a hex inverter with Schmitt-trigger inputs produced by Texas Instruments. This device contains six independent inverters, each performing the Boolean function Y = A in positive logic. It is part of the 74HC series, known for its high-speed CMOS logic and wide operating voltage range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 2 V to 6 V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Propagation Delay (A to Y) at 2 V | 55 to 155 ns | ns |
| Propagation Delay (A to Y) at 4.5 V | 12 to 31 ns | ns |
| Propagation Delay (A to Y) at 6 V | 11 to 26 ns | ns |
| Transition Time (Y) at 2 V | 38 to 95 ns | ns |
| Transition Time (Y) at 4.5 V | 8 to 19 ns | ns |
| Transition Time (Y) at 6 V | 6 to 16 ns | ns |
| Package Type | SOIC (14 pins) | |
| Package Size | 8.70 mm × 3.90 mm | mm |
Key Features
- Buffered inputs with Schmitt-trigger characteristics for noise immunity.
- Wide operating voltage range: 2 V to 6 V.
- Wide operating temperature range: -40°C to +85°C.
- Supports fanout up to 10 LSTTL loads.
- Significant power reduction compared to LSTTL logic ICs.
- Balanced CMOS push-pull outputs capable of sinking and sourcing similar currents.
Applications
- Synchronizing inverted clock inputs.
- Debouncing switches.
- Inverting digital signals.
Q & A
- What is the SN74HC14DRG3 used for? The SN74HC14DRG3 is used as a hex inverter with Schmitt-trigger inputs, suitable for applications such as synchronizing clock inputs, debouncing switches, and inverting digital signals.
- What is the operating voltage range of the SN74HC14DRG3? The operating voltage range is from 2 V to 6 V.
- What is the operating temperature range of the SN74HC14DRG3? The operating temperature range is from -40°C to +85°C.
- What type of inputs does the SN74HC14DRG3 have? The SN74HC14DRG3 has Schmitt-trigger inputs, which provide noise immunity.
- What is the propagation delay of the SN74HC14DRG3 at 5 V? The propagation delay at 5 V is typically around 20-30 ns.
- What is the package type of the SN74HC14DRG3? The package type is SOIC (14 pins).
- How many inverters does the SN74HC14DRG3 contain? The SN74HC14DRG3 contains six independent inverters.
- What is the benefit of Schmitt-trigger inputs in the SN74HC14DRG3? Schmitt-trigger inputs reject noise and do not cause significant increases in power consumption when held at any valid input value.
- Can the SN74HC14DRG3 drive large loads? Yes, it can drive loads with a total capacitance less than or equal to the maximum load listed, but output power must be limited to avoid damage.
- Is the SN74HC14DRG3 RoHS compliant? Yes, the SN74HC14DRG3 is RoHS compliant and free from Sb/Br.
