Overview
The MC74HC14ADTR2, produced by Onsemi, is a hex Schmitt-trigger inverter integrated circuit. This high-performance silicon-gate CMOS device is designed to improve the quality of digital signals by 'squaring up' slow input rise and fall times, making it particularly useful in noisy environments. The MC74HC14A is part of the HC14A series, which includes the MC74HCT14A variant with TTL-level input thresholds, while the MC74HC14A has CMOS-level input thresholds.
Key Specifications
| Parameter | Condition | Unit | Value |
|---|---|---|---|
| Operating Voltage Range | - | V | 2.0 to 6.0 |
| Output Drive Capability | - | LSTTL Loads | 10 |
| Low Input Current | - | μA | 1.0 |
| Maximum Propagation Delay (Input to Output) | VCC = 2.0 V, CL = 50 pF | ns | 75 |
| Maximum Output Transition Time | VCC = 2.0 V, CL = 50 pF | ns | 75 |
| Maximum Input Capacitance | - | pF | 10 |
| DC Supply Voltage | - | V | -0.5 to +6.5 |
| DC Input Voltage | - | V | -0.5 to VCC + 0.5 |
| Storage Temperature | - | °C | -65 to +150 |
Key Features
- Output drive capability of 10 LSTTL loads, allowing direct interface to CMOS, NMOS, and TTL devices.
- Operating voltage range of 2.0 to 6.0 V, providing flexibility in various applications.
- Low input current of 1.0 μA, contributing to low power consumption.
- High noise immunity due to the hysteresis voltage of the Schmitt trigger, making it suitable for noisy environments.
- In compliance with JEDEC Standard No. 7.0 A requirements.
- Chip complexity of 60 FETs or 15 equivalent gates, indicating a compact and efficient design.
Applications
- Noisy environments where signal integrity needs to be maintained.
- Circuits requiring the 'squaring up' of slow input rise and fall times.
- Systems that need high noise immunity and stable digital signals.
- General-purpose logic circuits where CMOS compatibility is required.
- Automotive and industrial applications where robustness against noise is crucial.
Q & A
- What is the primary function of the MC74HC14ADTR2?
The primary function of the MC74HC14ADTR2 is to act as a hex Schmitt-trigger inverter, improving the quality of digital signals by 'squaring up' slow input rise and fall times.
- What is the operating voltage range of the MC74HC14ADTR2?
The operating voltage range is from 2.0 to 6.0 V.
- How many LSTTL loads can the MC74HC14ADTR2 drive?
The MC74HC14ADTR2 can drive up to 10 LSTTL loads.
- What is the maximum propagation delay for the MC74HC14ADTR2?
The maximum propagation delay is 75 ns at VCC = 2.0 V and CL = 50 pF.
- Why is the MC74HC14ADTR2 useful in noisy environments?
The MC74HC14ADTR2 is useful in noisy environments due to its high noise immunity characteristic, which is a result of the hysteresis voltage of the Schmitt trigger.
- What is the maximum input capacitance of the MC74HC14ADTR2?
The maximum input capacitance is 10 pF.
- What are the storage temperature limits for the MC74HC14ADTR2?
The storage temperature limits are from -65°C to +150°C.
- Is the MC74HC14ADTR2 compatible with TTL devices?
- What is the low input current of the MC74HC14ADTR2?
The low input current is 1.0 μA.
- Does the MC74HC14ADTR2 comply with any specific standards?
