Overview
The SN74HC86N is a quadruple 2-input XOR gate integrated circuit produced by Texas Instruments. This device is part of the HC logic family and is designed to operate over a wide range of temperatures and voltages. It contains four independent XOR gates, each performing the Boolean function Y = A ⊕ B in positive logic. The SN74HC86N is available in a 14-pin PDIP (Plastic Dual In-Line Package) and is suitable for various digital logic applications.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| VCC Supply Voltage | -0.5 | 7 | V | |
| Operating Free-Air Temperature (TA) | -40 | 85 | °C | |
| Input Clamp Current (IIK) | ±20 | mA | ||
| Output Clamp Current (IOK) | ±20 | mA | ||
| Continuous Output Current (IO) | ±25 | mA | ||
| High-Level Output Voltage (VOH) at VCC = 4.5V, IOH = -20µA | 4.4 | 4.499 | 4.4 | V |
| Low-Level Output Voltage (VOL) at VCC = 4.5V, IOL = 20µA | 0.001 | 0.1 | 0.1 | V |
| Propagation Delay (tpd) at VCC = 4.5V | 12 | 20 | 25 | ns |
| Transition Time (tt) at VCC = 4.5V | 8 | 15 | 19 | ns |
| Power Dissipation Capacitance per Gate (Cpd) No Load | 35 | pF |
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 and balanced CMOS push-pull outputs
- Available in various packages including PDIP, SOIC, SOP, and TSSOP
Applications
- Detect phase differences in input signals
- Create a selectable inverter / buffer
- True/complement element: If one input is low, the other input is reproduced in true form at the output; if one input is high, the signal on the other input is reproduced inverted at the output
- General digital logic circuits requiring XOR functionality
Q & A
- What is the primary function of the SN74HC86N?
The SN74HC86N contains four independent 2-input XOR gates, each performing the Boolean function Y = A ⊕ B in positive logic.
- What is the operating voltage range of the SN74HC86N?
The operating voltage range is from 2 V to 6 V.
- What is the operating temperature range of the SN74HC86N?
The operating temperature range is from –40°C to +85°C.
- What types of packages are available for the SN74HC86N?
The device is available in PDIP, SOIC, SOP, and TSSOP packages.
- How many XOR gates are included in the SN74HC86N?
The device contains four independent 2-input XOR gates.
- What is the maximum propagation delay at VCC = 4.5V?
The maximum propagation delay at VCC = 4.5V is 25 ns.
- What is the power dissipation capacitance per gate?
The power dissipation capacitance per gate is 35 pF with no load.
- Can the SN74HC86N be used to detect phase differences in input signals?
- How should unused inputs be handled to ensure proper device operation?
Unused inputs must be held at VCC or GND to ensure proper device operation.
- What is the recommended input transition rate to avoid oscillations?
The recommended input transition rates are defined in the Recommended Operating Conditions section of the datasheet to avoid oscillations and damaging shoot-through current.
