Texas Instruments SN74AHC1G86DBVR

Overview

SN74AHC1G86DBVR from Texas Instruments is a single 2-input exclusive-OR gate in SOT-23-5 package, operating from 2 V to 5.5 V supply, with 8 ns max propagation delay at 5 V, ±8 mA output drive, and Schmitt-trigger inputs for noise immunity in low-speed digital interfaces. It performs Y = A ⊕ B logic in positive logic and is used in bus interface circuits where output ringing must be minimized.

For engineers reviewing the SN74AHC1G86DBVR datasheet, SN74AHC1G86DBVR pinout, SN74AHC1G86DBVR application, or SN74AHC1G86DBVR equivalent, key selection criteria include its 5-pin SOT-23 footprint, 125°C operating temperature range, overvoltage-tolerant inputs (up to 5.5 V), low ICC (≤10 µA), and compatibility with 3.3 V/5 V mixed-voltage systems.

Technical Context

The SN74AHC1G86DBVR implements standard CMOS XOR logic with true/complementary mode behavior: when one input is low, the output reproduces the other input in true form; when one input is high, the output reproduces the other input inverted. Its Schmitt-trigger inputs accept slow-rising/falling signals without oscillation.

It supports down-voltage translation - inputs tolerate up to 5.5 V regardless of VCC (2–5.5 V) - enabling interoperability between higher- and lower-voltage logic domains. The device exhibits balanced rise/fall times and low drive strength to suppress overshoot/undershoot on light loads.

Key Specifications

Pinout & Package

SOT-23-5 (DBV) package: 2.9 mm × 1.6 mm body, 2.8 mm × 2.8 mm overall footprint, 1.0 mm max height, tape-and-reel packaging (3000 pcs/reel), RoHS-compliant, MSL Level-1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar XOR gate applications.

Compared with SN74AHC1G86DBVR, SN74LVC1G86DBVR offers higher speed and drive but reduced noise margin at low VCC, while MC74VHC1G86DTT1G provides functionally identical performance with full pin-to-pin compatibility and qualification for extended temperature use.

Availability

SN74AHC1G86DBVR is available at Aetrix Electronics and suitable for motor drives and controls, programmable logic controllers, wireless headsets, and cameras requiring stable component supply across industrial temperature ranges and long production lifecycles.

Supply support for SN74AHC1G86DBVR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of experience in logic IC design and high-volume manufacturing.

The SN74AHC1G86DBVR belongs to the AHC logic family, engineered for low-power, wide-supply-voltage operation in industrial and consumer digital interfaces where reliability, noise immunity, and mixed-voltage compatibility are critical.

FAQ

What is the maximum supply voltage rating for SN74AHC1G86DBVR?

The SN74AHC1G86DBVR has an absolute maximum supply voltage (VCC) of 7 V, but its recommended operating range is 2 V to 5.5 V. Operation beyond 5.5 V risks violating recommended conditions and may impact reliability or parametric performance. The device's inputs remain tolerant up to 5.5 V even when VCC is at minimum (2 V), supporting robust level-shifting functionality in the SN74AHC1G86DBVR.

Does SN74AHC1G86DBVR support 3.3 V and 5 V logic level translation?

Yes, SN74AHC1G86DBVR supports bidirectional voltage translation: its inputs tolerate up to 5.5 V regardless of VCC (2–5.5 V), allowing 5 V signals to safely drive the device when powered from 3.3 V. The output swings rail-to-rail (0 V to VCC), so a 3.3 V-powered SN74AHC1G86DBVR outputs 0–3.3 V levels - making it ideal for interfacing 5 V peripherals to 3.3 V microcontrollers without external level shifters.

What is the purpose of Schmitt-trigger inputs in SN74AHC1G86DBVR?

The Schmitt-trigger inputs in SN74AHC1G86DBVR provide hysteresis (typically ~0.3 V at 5 V), which prevents false triggering from slow-rising or noisy input waveforms. This makes the SN74AHC1G86DBVR especially suitable for applications like encoder signal conditioning or mechanical switch debouncing, where input edges lack sharp transitions - eliminating the need for external RC filters or software debouncing routines.

Can SN74AHC1G86DBVR drive multiple CMOS inputs directly?

Yes, SN74AHC1G86DBVR can drive up to 10 standard CMOS inputs (with Ci ≈ 4–10 pF each) at 5 V, given its ±8 mA output drive and typical load capacitance limits. At 3.3 V, fanout is reduced due to lower drive strength (~±4 mA), but remains sufficient for 5–6 inputs. For heavier capacitive loads (>50 pF) or longer traces, TI recommends verifying signal integrity using the SN74AHC1G86DBVR's specified tPLH/tPHL values and layout guidelines.

Is SN74AHC1G86DBVR qualified for automotive applications?

No, SN74AHC1G86DBVR is not AEC-Q100 qualified. For automotive use, TI offers the pin-compatible SN74AHC1G86-Q1 variant, which undergoes extended temperature testing (–40°C to +125°C), enhanced reliability screening, and automotive-grade qualification. The SN74AHC1G86DBVR is intended for industrial, consumer, and communications applications - its datasheet does not claim automotive qualification, and no Q1 suffix or automotive-specific test reports apply to the SN74AHC1G86DBVR.