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Diodes Incorporated 74AHCT1G86W5-7
- Part No.:
- 74AHCT1G86W5-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Gates and Inverters
- Package:
- SC-74A, SOT-753
- Datasheet:
-
74AHCT1G86W5-7.pdf
- Description:
- IC GATE XOR 1CH 2-INP SOT25
- Quantity:
- Payment:
- Shipping:
Inventory:5,940
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Product details
Overview
74AHCT1G86W5-7 from Diodes Incorporated is a single 2-input positive exclusive-OR (XOR) gate in SOT25 package, operating at 4.5V–5.5V supply, delivering ±8 mA output drive at 5.0V, with propagation delay as low as 0.6 ns (CL = 15 pF), and featuring Schmitt-trigger inputs for noise immunity in noisy digital interfaces.
For engineers reviewing the 74AHCT1G86W5-7 datasheet, 74AHCT1G86W5-7 pinout, 74AHCT1G86W5-7 application, or 74AHCT1G86W5-7 equivalent, this device serves as a compact, TTL-compatible logic gate for level-sensitive XOR functions in space-constrained embedded control, interface arbitration, and parity generation circuits.
Technical Context
The 74AHCT1G86W5-7 implements the Boolean function Y = A ⊕ B using CMOS technology with TTL-compatible input thresholds (VIH = 2.0 V, VIL = 0.8 V). It uses a totem-pole output stage enabling bidirectional current sourcing/sinking up to ±8 mA.
Its Schmitt-trigger inputs provide hysteresis (typ. 0.3 V), improving noise rejection on slow-rising/falling signals. Absolute maximum ratings include 6.5 V supply tolerance and ESD protection exceeding 2 kV HBM, 1 kV CDM, and 200 V MM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V - ensures compatibility with standard 5 V TTL and mixed-voltage logic systems |
| Output Drive | ±8 mA at 5.0 V - supports direct interfacing with multiple 74-series inputs or LED loads without buffering |
| Propagation Delay | 0.6 ns (min), 6.9 ns (max) at CL = 15 pF - enables use in high-speed timing-critical paths up to ~150 MHz toggle rate |
| Input Thresholds | VIH = 2.0 V, VIL = 0.8 V - guarantees reliable recognition of TTL-level signals across temperature (-40°C to +125°C) |
| Power Dissipation | 15 pF typical Cpd - limits dynamic power to <1 mW at 1 MHz, suitable for low-power portable logic |
| ESD Protection | HBM >2 kV, CDM >1 kV - meets industrial IEC 61000-4-2 system-level robustness requirements |
Pinout & Package
SOT25 (5-pin small outline transistor) package with exposed pad not present; surface-mount footprint optimized for automated assembly and thermal performance (θJA = 204°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A | Data Input | First XOR operand; Schmitt-triggered for noise margin on slow edges |
| B | Data Input | Second XOR operand; electrically identical to Pin A |
| GND | Ground Reference | Return path for all internal logic and output currents; must be low-impedance |
| Y | Data Output | Inverting/non-inverting XOR result; totem-pole structure supports rail-to-rail swing |
| VCC | Supply Voltage | Positive supply input; bypass capacitor (0.1 µF) recommended near pin |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger inputs | Enables reliable operation with slow or noisy input transitions (e.g., mechanical switch debouncing) |
| TTL-compatible voltage thresholds | Ensures interoperability with legacy 74LS/74F logic without level-shifting circuitry |
| Low dynamic power consumption | ICC ≤ 40 µA over full temperature range supports battery-powered logic subsystems |
| Green molding compound & RoHS compliance | Meets EU Directive 2002/95/EC with no Br/Sb; lead-free finish certified for commercial and industrial use |
Applications
| Parity Generator | Interface Signal Arbitration |
|---|---|
Use Scenario: Generating odd/even parity bits for serial data transmission or memory error checking. IC Role / Device Role / Timing Role: Performs real-time bitwise XOR of multiple data lines to produce parity output. Use Value: Enables single-gate parity generation with sub-7 ns delay, reducing BOM count versus multi-gate solutions. | Use Scenario: Resolving bus contention between two microcontrollers sharing a common UART or SPI line. IC Role / Device Role / Timing Role: Acts as a hardware-based decision gate selecting active master based on priority signals. Use Value: Eliminates software polling latency; deterministic resolution within 9.0 ns max at 125°C. |
| LED Blink Pattern Control | Encoder Quadrature Decoding |
Use Scenario: Creating alternating blink patterns (e.g., heartbeat, status indicators) using two free-running clock sources. IC Role / Device Role / Timing Role: XORs two asynchronous square waves to generate XOR-derived pulse trains. Use Value: Delivers predictable visual timing without MCU intervention; operates reliably at 5 V with ±8 mA drive. | Use Scenario: Converting quadrature encoder A/B phase signals into direction and step pulses for motor control. IC Role / Device Role / Timing Role: Computes directional logic (A⊕B) to determine rotation sense before counting. Use Value: Provides sub-10 ns edge alignment tolerance, supporting encoder speeds >1 MHz without metastability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 2-input XOR gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G86DBVR | Wider supply range (1.65–5.5 V); lower drive (±24 mA at 3.3 V); no Schmitt inputs | Better for mixed-voltage 3.3 V/5 V systems; less robust on slow/noisy edges | Select when operating below 4.5 V or requiring 3.3 V compatibility |
| 74AHC1G86W5-7 | Same pinout/package; higher VCC max (5.5 V); no TTL-compatible input thresholds (VIH = 3.15 V min) | Not drop-in compatible with TTL sources; requires clean 5 V CMOS-level inputs | Select only if driving from AHC-family logic or buffered 5 V sources |
Compared with SN74LVC1G86DBVR and 74AHC1G86W5-7, the 74AHCT1G86W5-7 uniquely combines TTL input compatibility, Schmitt-trigger noise immunity, and 5 V operation-making it optimal for legacy 5 V systems with marginal signal integrity.
Availability
74AHCT1G86W5-7 is available at Aetrix Electronics and suitable for industrial control panels, consumer audio/video interfaces, and automotive body electronics requiring stable component supply and long-term obsolescence management.
Supply support for 74AHCT1G86W5-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, serving industrial, computing, communications, and consumer markets with high-reliability components.
The 74AHCT logic family targets 5 V TTL-compatible digital interfacing, emphasizing robustness, low power, and pin-for-pin replacement capability for legacy 74-series designs.
FAQ
What is the minimum input rise/fall time supported by the 74AHCT1G86W5-7?
The device specifies a maximum input transition rate of 20 ns/V, meaning a 5 V input swing must occur within ≥100 ns to avoid undefined behavior. Schmitt-trigger inputs relax this requirement significantly-signals as slow as several microseconds remain valid due to built-in hysteresis (~0.3 V), making it suitable for switch debouncing and low-frequency sensor interfaces.
Can the 74AHCT1G86W5-7 operate at 3.3 V?
No. The 74AHCT1G86W5-7 is specified only for 4.5 V to 5.5 V operation per its Recommended Operating Conditions. At 3.3 V, VIH (2.0 V) exceeds 60% of VCC, violating input threshold ratios and risking unreliable logic detection. For 3.3 V systems, consider the SN74LVC1G86DBVR instead.
Is the SOT25 package thermally adequate for continuous 8 mA output loading?
Yes. With θJA = 204°C/W and worst-case power dissipation <15 mW (at 8 mA, 0.55 V VOL), junction temperature rise remains under 3°C above ambient-even at 125°C ambient-ensuring safe operation without heatsinking or derating in standard PCB layouts per AP02001.
Does the 74AHCT1G86W5-7 require external pull-up or pull-down resistors on unused inputs?
Yes. Per datasheet Note 3, unused inputs must be tied to VCC or GND to prevent floating nodes that cause increased ICC, oscillation, or excessive power consumption. No internal pull-ups/pull-downs are provided; external termination is mandatory for reliability and EMC compliance.
74AHCT1G86W5-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- 74AHCT
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- XOR (Exclusive OR)
- Number of Circuits:
- 1
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 7.9ns @ 5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-25
74AHCT1G86W5-7 FAQ
1.How can I place an order for 74AHCT1G86W5-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AHCT1G86W5-7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 74AHCT1G86W5-7 reliable?
The price and inventory of 74AHCT1G86W5-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT1G86W5-7 is usually 5 days.
3.What payment methods are accepted for 74AHCT1G86W5-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT1G86W5-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AHCT1G86W5-7?
74AHCT1G86W5-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AHCT1G86W5-7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 74AHCT1G86W5-7?
For technical support, including 74AHCT1G86W5-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT1G86W5-7 requirements.
6.How does Aetrix verify that 74AHCT1G86W5-7 is sourced from the original manufacturer or authorized distributors?
All 74AHCT1G86W5-7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74AHCT1G86W5-7 meets industry standards.
7.What is the process for return or replacement of 74AHCT1G86W5-7?
All 74AHCT1G86W5-7 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT1G86W5-7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 74AHCT1G86W5-7 part is unused and in its original packaging.
Return procedure for 74AHCT1G86W5-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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