HD74LS14P (74LS14) Inverter / buffer
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The HD74LS14P, also known as the 74LS14, is a hex Schmitt-trigger inverter. This IC consists of six independent inverters with Schmitt-trigger inputs that transform slowly changing input signals into sharply defined, jitter-free output signals. The HD74LS14P is widely used in applications requiring signal conditioning, noise rejection, and logic level conversion due to its high noise immunity and fast switching characteristics.
Key Features:
- Hex Schmitt-trigger inverter
- High noise immunity
- Fast switching speed
- TTL-compatible inputs and outputs
- Low power consumption
- Compact 14-pin DIP package
- Supply Voltage (VCC): 4.75V to 5.25V
- Input Voltage (VIN): 0V to 5.5V
- High-Level Output Voltage (VOH): 2.7V (min)
- Low-Level Output Voltage (VOL): 0.4V (max)
- High-Level Input Voltage (VIH): 2V (min)
- Low-Level Input Voltage (VIL): 0.8V (max)
- Input Current (II): 0.1 mA (max)
- Output Current (IO): 8 mA (max)
- Propagation Delay Time: 14 ns (typical)
- Operating Temperature Range: 0°C to +70°C
- Package: 14-pin DIP
- Signal Conditioning: Converts slowly changing input signals into sharply defined output signals.
- Noise Rejection: Filters out noise from input signals to produce clean digital outputs.
- Logic Level Conversion: Converts signal levels between different voltage domains.
- Wave Shaping: Used in applications requiring waveform shaping for digital circuits.
- Pulse Generation: Generates clean pulses from noisy or slow input signals.
- Digital Circuit Design: Essential component in various digital logic circuits and systems.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment