onsemi MC74VHC1G86DBVT1G

Overview

MC74VHC1G86DBVT1G from onsemi is a single 2-input XOR gate in SC-70-5 package, operating from 2.0 V to 5.5 V supply, with propagation delay of 3.5 ns (at V_CC = 5 V), CMOS-compatible inputs, and rail-to-rail output swing - used for digital logic arbitration, parity generation, and signal-level comparison in portable instrumentation.

For engineers reviewing the MC74VHC1G86DBVT1G datasheet, pinout, applications, or equivalent options, key selection criteria include supply voltage range, propagation delay at 3.3 V/5 V, input hysteresis absence, output drive strength (±8 mA), and SC-70 thermal performance under continuous logic switching.

Technical Context

The MC74VHC1G86DBVT1G implements standard CMOS XOR logic using silicon-gate VHC technology, delivering TTL-compatible output levels while accepting CMOS-level inputs. It features no internal hysteresis, operates across industrial temperature range (−40 °C to +85 °C), and maintains defined logic states down to 2.0 V supply.

This device belongs to the VHC (Very High Speed CMOS) family optimized for low power and high speed in battery-powered systems. Its input threshold is referenced to V_CC/2, and output VOH/VOL meet 4.4 V / 0.1 V minimums at V_CC = 4.5 V with I_OH/I_OL = −8 mA / +8 mA.

Key Specifications

Pinout & Package

MC74VHC1G86DBVT1G uses the SC-70-5 (SOT-353) surface-mount package: 1.25 mm × 2.1 mm footprint, 0.95 mm height, 0.65 mm lead pitch, thermally enhanced plastic body with gull-wing leads.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SN74LVC1G86DBVR and 74AUP1G86GW,125, the MC74VHC1G86DBVT1G provides balanced speed–power trade-off at 3.3 V/5 V, guaranteed industrial temperature support, and proven reliability in long-lifecycle industrial designs - making it optimal for mixed-voltage legacy upgrades and ruggedized portable equipment.

Availability

MC74VHC1G86DBVT1G is available at Aetrix Electronics and suitable for industrial sensor interfaces, portable medical instrumentation, and USB-C port configuration detection requiring stable component supply and long-term manufacturability.

Supply support for MC74VHC1G86DBVT1G 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

onsemi is a global semiconductor leader delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.

The MC74VHC1G86DBVT1G belongs to the VHC logic family designed specifically for high-speed, low-power digital signal routing in space-constrained portable and industrial systems where supply voltage flexibility and timing predictability are critical.

FAQ

What logic family does MC74VHC1G86DBVT1G belong to, and how does it differ from standard HC or HCT variants?

The MC74VHC1G86DBVT1G belongs to the Very High Speed CMOS (VHC) family. Unlike standard HC, it offers faster propagation delay (3.5 ns vs. ~8 ns at 5 V) and tighter output drive specs. Unlike HCT, it lacks TTL-compatible input thresholds - its VIH/VIL scale with V_CC, ensuring consistent noise margin across 2.0–5.5 V. This makes MC74VHC1G86DBVT1G ideal for mixed-supply systems where voltage scaling matters.

Can MC74VHC1G86DBVT1G operate reliably at 2.0 V supply, and what performance metrics are guaranteed at that voltage?

Yes, MC74VHC1G86DBVT1G is fully specified down to 2.0 V. At V_CC = 2.0 V, propagation delay is guaranteed ≤14 ns (CL = 50 pF), output drive is ±4 mA, and input thresholds remain at 0.7×V_CC/0.3×V_CC. These values ensure functional correctness in ultra-low-power sensor nodes and battery-backed subsystems where supply may dip near cutoff.

Is MC74VHC1G86DBVT1G pin-compatible with other single-gate XOR offerings in SC-70-5 package?

Yes, MC74VHC1G86DBVT1G shares identical SC-70-5 pinout (A-B-GND-Y-V_CC) with SN74LVC1G86DBVR, 74AUP1G86GW,125, and NC7SZ86P5X. This enables direct substitution in existing layouts when electrical requirements align - though voltage range, drive strength, and temperature rating must still be verified per application.

Does MC74VHC1G86DBVT1G include any built-in protection features such as ESD or latch-up immunity?

MC74VHC1G86DBVT1G is rated for ≥2 kV HBM ESD protection per JESD22-A114 and meets Class II latch-up immunity per JESD78. These ratings are validated across the full −40 °C to +85 °C operating range and ensure robustness during automated assembly, field servicing, and operation in electrically noisy industrial environments - critical for long-term reliability of MC74VHC1G86DBVT1G in deployed systems.

How does the absence of input hysteresis affect system design when using MC74VHC1G86DBVT1G in noisy signal paths?

The absence of input hysteresis in MC74VHC1G86DBVT1G means it lacks Schmitt-trigger behavior - inputs respond immediately to crossing V_CC/2, making it susceptible to chatter on slow or noisy edges. Designers must ensure clean, monotonic input transitions via RC filtering, series termination, or upstream buffering. This characteristic is intentional for precise timing alignment in synchronous logic, not a limitation - but requires attention in analog-adjacent signal chains.