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Product Detailed Parameters
- Description：IC GATE XOR 4CH 2-INP 14TSSOP
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Bulk,Tube
- 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-TSSOP
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHCT86PW is a quadruple 2-input exclusive-OR gate in the AHCT logic series, housed in a 14-pin TSSOP package. It operates at a supply voltage of 4.5 V to 5.5 V with TTL-compatible inputs (VIL = 0.8 V, VIH = 2 V). The device provides balanced output drive currents of ±8 mA and features propagation delays up to 9 ns at 50 pF load. It supports an operating temperature range of -40°C to +125°C.
Feature Summary
- TTL-voltage compatible inputs allow direct interfacing between 3.3 V and 5 V logic domains.
- Low-drive CMOS architecture minimizes output ringing and overshoot on bus interfaces.
- ESD protection exceeds 2000 V via Human-Body Model and 200 V via Machine Model.
Applications
- Server systems
- PCs and notebooks
- Network switches
- Wearable health and fitness devices
- Telecom infrastructures
Procurement Notes
Verify the specific ordering suffix 'PW' corresponds to the TSSOP-14 package variant. Confirm the current production status, as datasheet addenda indicate this specific tube configuration may be obsolete compared to the tape-and-reel PWR version. Ensure compliance with RoHS requirements and check for any recent Product Change Notifications affecting pinout or thermal characteristics.
Selection Notes
Select this component when TTL-level input compatibility is required within a 5 V system. The AHCT series is suitable for applications needing low-drive outputs to reduce signal integrity issues like ringing. Verify that the 14-pin TSSOP footprint matches the PCB layout constraints and that the -40°C to +125°C temperature range meets environmental specifications.
Part Context
This part belongs to the SNx4AHCT86 family of quadruple 2-input exclusive-OR gates manufactured by Texas Instruments. The AHCT series bridges HC logic performance with TTL input levels. The PW suffix specifically denotes the Thin-Shrink Small-Outline Package (TSSOP) with a 14-pin configuration, designed for surface-mount assembly.
Replacement Considerations
SN74AHCT86PWR is the active tape-and-reel equivalent of the same package type. SN74AHC86PW offers similar functionality but requires CMOS-compatible input levels rather than TTL thresholds.
FAQ
How does the SN74AHCT86 handle voltage translation?
The lowered switching thresholds (VIL=0.8V, VIH=2V) allow the device to translate signals from 3.3 V logic up to 5 V logic while maintaining TTL compatibility.
What is the maximum output current capability?
The device provides balanced output drive currents of ±8 mA under recommended operating conditions.
