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74HCT14D
+BOMIC INV SCHMITT 6CH 1-IN 14SOIC
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ManufacturerToshiba Semiconductor and Storage
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Mfr. Part #74HCT14D
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Datasheet 74HCT14D DataSheet
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Package SOIC-14
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In Stock6342
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HCT |
| ProductStatus | Active |
| LogicType | Inverter |
| NumberofCircuits | 6 |
| NumberofInputs | 1 |
| Features | Schmitt Trigger |
| Voltage-Supply | 4.5V ~ 5.5V |
| Current-Quiescent(Max) | 1 µA |
| Current-OutputHighLow | 4mA, 4mA |
| MaxPropagationDelay@VMaxCL | 31ns @ 5.5V, 50pF |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| SupplierDevicePackage | 14-SOIC |
Overview
Description
The chip operates with a supply voltage range of 4.5V to 5.5V, making it compatible with TTL-level signals. It is designed for low power consumption yet provides high-speed operation, making it suitable for a variety of applications including signal conditioning, waveform generation, and clock shaping.
The 74HCT14D is typically housed in a 14-pin dual in-line package (DIP) and is widely used in hobbyist and industrial electronics projects. Its reliability and ease of use make it a staple component in digital circuits that require noise immunity and signal conditioning.
Equivalent
1. SN74HCT14N (Texas Instruments)
2. CD74HCT14E (Texas Instruments)
3. MC74HCT14AD (ON Semiconductor)
4. NXP 74HCT14 (NXP Semiconductors)
5. TC74HCT14AP (Toshiba)
These alternatives offer similar functionality and pin compatibility, but it is essential to check the datasheets for any minor differences in specifications or performance.
Features
1. Schmitt-Trigger Inputs: Each of the six inverters has a Schmitt-trigger input, allowing for signal conditioning with hysteresis. This helps in cleaning up noisy signals and transforming slowly changing signals into sharply defined, glitch-free outputs.
2. Operating Voltage: It is designed to function within a wide range of supply voltages, typically from 4.5V to 5.5V, making it suitable for TTL interface compatibility.
3. Propagation Delay: The IC offers fast switching speeds with a typical propagation delay of approximately 11 ns.
4. Low Power Consumption: It is optimized for low power usage, making it ideal for battery-powered applications.
5. High Noise Immunity: Thanks to the Schmitt-trigger action, the device has improved noise immunity, which makes it robust against input signal variations and noise.
6. Package Type: The 'D' in 74HCT14D denotes that it comes in a SOIC-14 package, which is a surface-mount package type.
7. Temperature Range: It typically operates within the -40°C to 125°C temperature range, suitable for various environments.
Pinout
Pin Count:
- The 74HCT14D comes in a 14-pin dual in-line package (DIP) or in surface-mount packages like SOIC.
Pin Functions:
- Pins 1-6, 8-13: Each of these pins is associated with one of the six inverters. They are paired as input-output for each inverter:
- Pin 1 (Input 1), Pin 2 (Output 1)
- Pin 3 (Input 2), Pin 4 (Output 2)
- Pin 5 (Input 3), Pin 6 (Output 3)
- Pin 9 (Input 4), Pin 8 (Output 4)
- Pin 11 (Input 5), Pin 10 (Output 5)
- Pin 13 (Input 6), Pin 12 (Output 6)
- Pin 7: Ground (GND)
- Pin 14: Positive Supply Voltage (Vcc)
The primary function of the 74HCT14D is to provide signal inversion with hysteresis, which helps in noise rejection and provides cleaner signal transitions.