Overview
The CD74HC32M96, produced by Texas Instruments, is a quadruple 2-input OR gate integrated circuit. This device is part of the HC (High-Speed CMOS) logic family and is designed to operate over a wide voltage range of 2 V to 6 V and a temperature range of –55°C to +125°C. It contains four independent 2-input OR gates, each performing the Boolean function Y = A + B in positive logic. This component is suitable for various digital logic applications requiring OR gate functions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 2 V to 6 V | V |
| Operating Temperature Range | –55°C to +125°C | °C |
| Propagation Delay (CL = 50 pF, VCC = 6 V) | 15 to 23 ns | ns |
| Input Leakage Current (VI = VCC or 0, VCC = 6 V) | ±0.1 to ±1 µA | µA |
| Supply Current (VI = VCC or 0, IO = 0, VCC = 6 V) | 2 to 40 µA | µA |
| Input Capacitance (VCC = 5 V) | 10 pF | pF |
| Junction-to-Ambient Thermal Resistance (SOIC) | 133.6 °C/W | °C/W |
| Package Type | SOIC (14 pins) | - |
| Body Size (Nominal) | 8.70 mm × 3.90 mm | mm |
Key Features
- Buffered Inputs: The device has buffered inputs to enhance signal integrity.
- Wide Operating Voltage and Temperature Range: Operates from 2 V to 6 V and –55°C to +125°C.
- High Fanout Capability: Supports fanout up to 10 LSTTL loads.
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs.
- Balanced CMOS Push-Pull Outputs: Outputs can sink and source similar currents, ensuring balanced drive capability.
- Clamp Diode Structure: Inputs and outputs have positive and negative clamping diodes for protection.
Applications
The CD74HC32M96 is versatile and can be used in various digital logic applications. Here are some examples:
- Combining Error Signals: It can be used to combine multiple error signals into a single output, making it useful in monitoring systems.
- Enable Signals: The device can combine active-low enable signals, which is beneficial in control circuits.
- Fan Control: It can be used to control the enable pin of a fan driver, combining overheat signals from multiple devices into a single active-high enable signal.
Q & A
- What is the operating voltage range of the CD74HC32M96?
The operating voltage range is 2 V to 6 V. - What is the temperature range for the CD74HC32M96?
The temperature range is –55°C to +125°C. - How many OR gates are included in the CD74HC32M96?
The device contains four independent 2-input OR gates. - What is the propagation delay for the CD74HC32M96 at VCC = 6 V and CL = 50 pF?
The propagation delay is between 15 to 23 ns. - What is the input leakage current for the CD74HC32M96?
The input leakage current is ±0.1 to ±1 µA. - What is the supply current for the CD74HC32M96 at VCC = 6 V?
The supply current is between 2 to 40 µA. - What type of outputs does the CD74HC32M96 have?
The device has balanced CMOS push-pull outputs. - How should the inputs be handled if they are not used?
Unused inputs should not be left floating; they should be grounded or connected to VCC. - What is the recommended bypass capacitor for the power supply?
A 0.1-μF capacitor is recommended, and it is acceptable to parallel multiple bypass caps. - What is the maximum capacitive load recommended for the outputs?
The maximum capacitive load should be ≤ 70 pF for optimal performance.
