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Product Detailed Parameters
- Description：IC GATE XOR 4CH 2-INP 14VQFN
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：XOR (Exclusive OR)
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：8.8ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-VQFN (3.5x3.5)
- Package / Case：14-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The SN74AHCT86RGYR is a quadruple 2-input exclusive-OR gate manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and features TTL-compatible inputs, enabling effective voltage translation from 3.3 V to 5 V. The device utilizes a 14-pin VQFN package with dimensions of 3.50 mm x 3.50 mm. Electrical characteristics include a low-level output current of 8 mA and a high-level output current of -8 mA. Propagation delay ranges from 5 ns to 11 ns depending on load capacitance. The component supports an operating temperature range from -40°C to +125°C.
Feature Summary
- TTL-voltage compatible inputs allow for direct interfacing with legacy logic families.
- Low-drive CMOS architecture minimizes output ringing and overshoot on bus interfaces.
- Enhanced electrostatic discharge protection exceeds JESD 22 standards.
Applications
- Server systems
- Network switches
- Telecom infrastructures
Procurement Notes
Verify the specific ordering suffix 'RGYR' to confirm the VQFN-14 package type and tape-and-reel quantity. Ensure the procurement matches the catalog status as active production. Confirm RoHS compliance and lead finish specifications against the latest Package Option Addendum provided by Texas Instruments.
Selection Notes
Select this component when TTL input compatibility is required alongside 5 V CMOS operation. The VQFN package is suitable for space-constrained surface-mount designs. Verify that the application environment remains within the specified -40°C to +125°C temperature range to ensure reliable performance.
Part Context
This part belongs to the SNx4AHCT86 family of quadruple 2-input exclusive-OR gates. The 'SN74' prefix indicates commercial grade availability, while the 'AHCT' series denotes advanced high-speed CMOS technology with TTL-compatible inputs. The 'RGYR' suffix specifically identifies the 14-pin VQFN package configuration.
Replacement Considerations
SN74AHCT86BQAR (WQFN package)
FAQ
How does the SN74AHCT86RGYR handle voltage translation?
The lowered switching thresholds accommodate TTL inputs, making the device ideal for translating signals up from 3.3 V to 5 V.
What is the function of the thermal pad in the RGY package?
The thermal pad provides a path for heat dissipation, improving thermal resistance compared to standard packages without a bottom contact.
