Overview
The SN74HC86NE4 is a quadruple 2-input XOR gate integrated circuit produced by Texas Instruments. This device contains four independent XOR gates, each performing the Boolean function Y = A ⊕ B in positive logic. It is part of the 74HC series, known for its high-speed CMOS logic and wide operating voltage range.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | 5 | 6 | V |
| Operating Temperature (TA) | -40 | 85 | °C | |
| Input Clamp Current (IIK) | ±20 | mA | ||
| Output Clamp Current (IOK) | ±20 | mA | ||
| Continuous Output Current (IO) | ±25 | mA | ||
| Propagation Delay (tpd) at VCC=2V | 40 | 100 | 125 | ns |
| Propagation Delay (tpd) at VCC=4.5V | 12 | 20 | 25 | ns |
| Propagation Delay (tpd) at VCC=6V | 10 | 17 | 21 | ns |
| Transition Time (tt) at VCC=2V | 38 | 75 | 95 | ns |
| Transition Time (tt) at VCC=4.5V | 8 | 15 | 19 | ns |
| Transition Time (tt) at VCC=6V | 6 | 13 | 16 | ns |
| Power Dissipation Capacitance per Gate | 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
- CMOS inputs and balanced CMOS push-pull outputs
- Low power consumption
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
Q & A
- What is the function of the SN74HC86NE4? The SN74HC86NE4 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 SN74HC86NE4? The operating voltage range is from 2 V to 6 V.
- What is the operating temperature range of the SN74HC86NE4? The operating temperature range is from –40°C to +85°C.
- How many LSTTL loads can the SN74HC86NE4 support? It supports fanout up to 10 LSTTL loads.
- What are the typical propagation delays at different VCC levels? At VCC=2V, the propagation delay is 40-125 ns; at VCC=4.5V, it is 12-25 ns; and at VCC=6V, it is 10-21 ns.
- What is the power dissipation capacitance per gate? The power dissipation capacitance per gate is 35 pF.
- What are some common applications of the SN74HC86NE4? Common applications include detecting phase differences in input signals, creating a selectable inverter/buffer, and acting as a true/complement element.
- How should unused inputs be handled? Unused inputs must be held at VCC or GND to ensure proper device operation.
- What are the package options available for the SN74HC86NE4? The device is available in PDIP, SOIC, SOP, and TSSOP packages.
- Is the SN74HC86NE4 RoHS compliant? Yes, the SN74HC86NE4 is RoHS compliant.
