Overview
The MC74AC132DR2, produced by ON Semiconductor, is a Quad 2-Input NAND Schmitt Trigger integrated circuit. This device is part of the high-performance silicon-gate CMOS family and is designed to transform slowly changing input signals into sharply defined, jitter-free output signals. It features four 2-input NAND gates with Schmitt trigger inputs, which provide greater noise margin compared to conventional NAND gates. The Schmitt trigger mechanism uses positive feedback to speed up slow input transitions and offers different input threshold voltages for positive and negative-going transitions, making it insensitive to temperature and supply voltage variations.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| VCC (DC Supply Voltage) | 2.0 to 6.0 | V | |
| VI (DC Input Voltage) | -0.5 to VCC + 0.5 | V | |
| VO (DC Output Voltage) | -0.5 to VCC + 0.5 | V | |
| IOH (Output Current - High) | -24 | mA | |
| IOL (Output Current - Low) | 24 | mA | |
| TSTG (Storage Temperature Range) | -65 to 150 | °C | |
| TJ (Junction Temperature under Bias) | -150 | °C | |
| TA (Operating Ambient Temperature Range) | -40 to 85 | °C | |
| tPLH (Propagation Delay) | 2.0 to 13.0 | ns | VCC @ 3.0 V to 5.5 V |
| tPHL (Propagation Delay) | 2.0 to 15.0 | ns | VCC @ 3.0 V to 5.5 V |
| CIN (Input Capacitance) | 4.5 | pF | VCC = 5.0 V |
| CPD (Power Dissipation Capacitance) | 30 | pF | VCC = 5.0 V |
Key Features
- Schmitt Trigger Inputs: Provides hysteresis to speed up slow input transitions and reduce noise sensitivity.
- Four 2-Input NAND Gates: Each gate can handle two inputs and produce a single output.
- High Noise Margin: Greater noise margin compared to conventional NAND gates.
- TTL Compatible Inputs (for MC74ACT132): Ensures compatibility with TTL logic levels.
- Pb-Free Devices: Compliant with lead-free regulations.
- Outputs Source/Sink 24 mA: Capable of sourcing or sinking up to 24 mA of current.
Applications
- Digital Signal Processing: Useful in applications requiring the transformation of slowly changing signals into sharply defined outputs.
- Noise Reduction: Ideal for environments where noise is a significant issue due to its high noise margin and Schmitt trigger functionality.
- Logic Circuits: Can be used in various digital logic circuits requiring NAND gate operations with improved noise immunity.
- Automotive and Industrial Control Systems: Suitable for use in systems that require robust and reliable digital logic operations.
Q & A
- What is the MC74AC132DR2?
The MC74AC132DR2 is a Quad 2-Input NAND Schmitt Trigger integrated circuit produced by ON Semiconductor. - What is the purpose of the Schmitt trigger in the MC74AC132DR2?
The Schmitt trigger is used to speed up slow input transitions and provide different input threshold voltages for positive and negative-going transitions, reducing noise sensitivity. - What is the operating voltage range for the MC74AC132DR2?
The operating voltage range is from 2.0 V to 6.0 V. - How much current can the outputs source or sink?
The outputs can source or sink up to 24 mA of current. - Is the MC74AC132DR2 lead-free?
Yes, the MC74AC132DR2 is a lead-free device. - What is the propagation delay of the MC74AC132DR2?
The propagation delay ranges from 2.0 ns to 15.0 ns depending on the supply voltage. - What is the storage temperature range for the MC74AC132DR2?
The storage temperature range is from -65°C to 150°C. - Is the MC74AC132DR2 compatible with TTL logic levels?
The MC74ACT132 version is TTL compatible, but the MC74AC132 is not. - What are some common applications of the MC74AC132DR2?
Common applications include digital signal processing, noise reduction, logic circuits, and automotive and industrial control systems. - What is the input capacitance of the MC74AC132DR2?
The input capacitance is 4.5 pF at VCC = 5.0 V.
