Overview
The SN74HC86NG4 is a quadruple 2-input XOR gate integrated circuit produced by Texas Instruments. This device is part of the HC (High-Speed CMOS) logic family and is designed to perform the Boolean XOR function (Y = A ⊕ B) in positive logic. It is available in a 14-pin DIP package and operates over a wide voltage range, making it versatile for various digital logic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 2 to 6 | V |
| Operating Temperature Range | –40°C to +85°C | °C |
| Input Clamp Current (IIK) | ±20 | mA |
| Output Clamp Current (IOK) | ±20 | mA |
| Continuous Output Current (IO) | ±25 | mA |
| Propagation Delay (tpd) | 10 to 125 | ns |
| Transition Time (tt) | 6 to 110 | ns |
| Power Dissipation Capacitance per Gate (Cpd) | 35 | pF |
| Package Types | DIP, SOIC, TSSOP, PDIP, etc. |
Key Features
- Buffered inputs
- Wide operating voltage range: 2 V to 6 V
- Wide operating temperature range: –40°C to +85°C
- Supports fanout up to 10 LSTTL loads
- Significant power reduction compared to LSTTL logic ICs
- Standard CMOS inputs
Applications
- Detect phase differences in input signals
- Create a selectable inverter / buffer
- General digital logic circuits requiring XOR functionality
Q & A
- What is the primary function of the SN74HC86NG4?
The primary function is to perform the Boolean XOR operation (Y = A ⊕ B) in positive logic. - What is the operating voltage range of the SN74HC86NG4?
The operating voltage range is 2 V to 6 V. - What is the operating temperature range of the SN74HC86NG4?
The operating temperature range is –40°C to +85°C. - What are the typical propagation delay and transition times for the SN74HC86NG4?
The propagation delay is typically between 10 to 125 ns, and the transition time is typically between 6 to 110 ns. - What types of packages are available for the SN74HC86NG4?
The device is available in DIP, SOIC, TSSOP, PDIP, and other packages. - How many XOR gates are included in the SN74HC86NG4?
The device contains four independent 2-input XOR gates. - What is the maximum continuous output current for the SN74HC86NG4?
The maximum continuous output current is ±25 mA. - What is the recommended capacitive load at the output for optimal performance?
The recommended capacitive load is ≤ 70 pF. - Can the inputs of the SN74HC86NG4 have slow edge rates?
No, slow input edge rates can cause oscillations and damaging shoot-through current; recommended rates are defined in the Recommended Operating Conditions. - How should unused outputs be handled?
Unused outputs can be left floating but should not be connected directly to VCC or ground.
