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Diodes Incorporated 74AHC1G04QSE-7
- Part No.:
- 74AHC1G04QSE-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Gates and Inverters
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
74AHC1G04QSE-7.pdf
- Description:
- IC INVERTER 1CH 1-INP SOT353
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
74AHC1G04QSE-7 from Diodes Incorporated is an AEC-Q100 Grade 1 qualified single CMOS inverter gate with push-pull output, operating from 2.0V to 5.5V supply, delivering ±8mA drive at 4.5V, featuring Schmitt-trigger input for noise immunity, and rated for -40°C to +125°C ambient. It serves as a robust signal-level inversion stage in automotive body control modules.
For engineers reviewing the 74AHC1G04QSE-7 datasheet, 74AHC1G04QSE-7 pinout, 74AHC1G04QSE-7 application, or 74AHC1G04QSE-7 equivalent, key selection criteria include its automotive temperature rating, input voltage tolerance beyond VCC, balanced propagation delay (≤7.0 ns at 5V/15pF), and AEC-Q100 qualification status.
Technical Context
This device implements a single positive-logic inverter (Y = A̅) using advanced AHC CMOS process technology. Its Schmitt-trigger input provides hysteresis (typ. 0.3V at 3.3V), enabling reliable operation with slow-rising/falling signals common in sensor interfaces and mechanical switch debouncing circuits.
The push-pull output structure ensures rail-to-rail switching with symmetrical high- and low-drive capability (±8mA at 4.5V), while input voltage range extends to -0.5V–6.5V-exceeding VCC-supporting level-shifting and hot-swap tolerant designs in mixed-voltage automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.0V to 5.5V - supports direct interface with 3.3V and 5V logic domains without level shifters |
| Operating Temperature | -40°C to +125°C - meets AEC-Q100 Grade 1 requirements for under-hood automotive use |
| Output Drive Current | ±8mA at VCC = 4.5V - sufficient to drive multiple 74AHC inputs or small LEDs directly |
| Propagation Delay | 3.1 ns (typ) at 5V/15pF - enables timing-critical signal inversion in high-speed control loops |
| Input Hysteresis | ~0.3V at 3.3V - suppresses chatter on noisy or slowly transitioning inputs like door latch sensors |
| ESD Protection | 2000V HBM, 1000V CDM - exceeds AEC-Q100-002/-011 for robustness in manufacturing and field environments |
| Power Dissipation | 250 mW max - allows operation in compact SOT353 package without forced cooling in typical automotive PCB layouts |
Pinout & Package
SOT353 (5-pin SC-70) package: 2.15mm × 2.1mm × 1.1mm, 0.65mm pitch, matte tin-plated leads, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A) | Data Input | Inverting logic input with Schmitt-trigger threshold; accepts voltages up to 6.5V independent of VCC |
| 2 (GND) | Ground Reference | Return path for all internal circuitry and output current; must be low-impedance for stable noise margin |
| 3 (Y) | Data Output | Inverted logic output with push-pull structure; drives high/low to within 0.1V of rails under load |
| 4 (VCC) | Supply Voltage | Positive power rail; decoupling capacitor (100nF) required within 5mm for stable switching performance |
| 5 (NC) | No Connection | Internally unconnected pin; must remain floating-no external bias or tie-down permitted |
Key Features
| Feature | Design Value |
|---|---|
| Automotive Qualification | AEC-Q100 Grade 1 qualified, PPAP capable, manufactured in IATF 16949 certified facilities |
| Input Voltage Tolerance | Inputs rated -0.5V to 6.5V - enables safe interfacing with higher-voltage sensors or legacy 5V systems |
| Low-Power CMOS Core | ICC ≤ 40 µA over full temp range - minimizes quiescent current in always-on vehicle modules |
| Thermal Performance | θJA = 385°C/W (SOT353) - supports continuous operation at +125°C ambient with standard PCB layout |
| Green Compliance | Totally lead-free, halogen- and antimony-free (<900ppm Br/Cl, <1000ppm Sb) per RoHS 3 and Diodes' "Green" definition |
Applications
| Body Control Module (BCM) | Engine Control Unit (ECU) Sensor Interface |
|---|---|
Use Scenario: Inversion of wake-up signals from door handle capacitive sensors before routing to microcontroller interrupt pins. IC Role / Device Role / Timing Role: Signal conditioning and noise-immune logic inversion at system entry point. Use Value: Schmitt-trigger input rejects EMI-induced glitches during vehicle entry detection, reducing false wake-ups. |
Use Scenario: Level-shifting and inversion of analog sensor reference pulses (e.g., crankshaft position sync) for digital capture. IC Role / Device Role / Timing Role: Robust input buffer and polarity correction stage prior to microcontroller timer capture. Use Value: Input voltage tolerance beyond VCC allows direct connection to 5V sensor outputs without external resistors. |
| Instrument Cluster Display Backlight Control | ADAS Camera Power Sequencing |
Use Scenario: Inverting enable logic for LED driver ICs controlling segmented LCD backlight zones. IC Role / Device Role / Timing Role: Polarity conversion between MCU GPIO active-low enable and driver IC active-high input. Use Value: ±8mA drive capability directly sources/sinks LED driver enable pins without additional transistors. |
Use Scenario: Generating inverted reset or enable signals for sequential power-up of camera image sensor and ISP. IC Role / Device Role / Timing Role: Timing-controlled logic inversion in multi-rail power management sequencing networks. Use Value: Balanced tPHL/tPLH ensures predictable delay matching across dual-rail startup paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar single inverter gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74AHC1G04DBVR | Industrial-grade (–40°C to +85°C), same AHC family, identical pinout (SOT23-5), but not AEC-Q100 qualified | Lacks automotive qualification and extended temperature support; unsuitable for under-hood deployment | Select only for cost-sensitive non-automotive industrial controls where Grade 1 thermal compliance is unnecessary |
| 74LVC1G04GW,125 | NXP part in SOT353; operates 1.65V–5.5V; lower drive (±24mA at 3.3V); no Schmitt input; AEC-Q100 Grade 1 qualified | Higher drive but no input hysteresis - requires external filtering for noisy sensor lines | Prefer when higher output current is needed and input signal slew rate is controlled; avoid for mechanical switch or long-trace interfaces |
Compared with SN74AHC1G04DBVR and 74LVC1G04GW,125, the 74AHC1G04QSE-7 uniquely combines AEC-Q100 Grade 1 qualification, Schmitt-trigger input, and rail-compatible voltage tolerance-making it the only choice for noise-prone automotive signal inversion where reliability and qualification are mandatory.
Availability
74AHC1G04QSE-7 is available at Aetrix Electronics and suitable for automotive body electronics, engine control units, and ADAS camera power sequencing requiring stable component supply across extended temperature ranges and strict automotive qualification.
Supply support for 74AHC1G04QSE-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 integrated circuits, specializing in high-reliability components for automotive, industrial, and computing markets.
The 74AHC logic family delivers high-speed, low-power CMOS performance with enhanced ruggedness; the 74AHC1G04Q variant was specifically engineered for automotive signal integrity in harsh environments.
FAQ
Is the 74AHC1G04QSE-7 pin-compatible with standard SOT23-5 logic gates?
No. The 74AHC1G04QSE-7 uses the SOT353 (SC-70) package with 5 pins in a different physical layout than SOT23-5. Pin 1 is A (input), pin 2 is GND, pin 3 is Y (output), pin 4 is VCC, and pin 5 is NC - unlike SOT23-5's common pin 1 = VCC configuration. PCB layout must match SOT353 footprint.
Can unused inputs be left floating in this device?
No. Per the datasheet's Recommended Operating Conditions (Note 7), unused inputs must be tied to VCC or GND. Although this is a single-gate device with only one input (A), any design reusing the same footprint for multi-gate variants must follow this rule. Floating inputs risk increased ICC and erratic switching due to CMOS threshold sensitivity.
What is the significance of the 'Q' suffix in 74AHC1G04QSE-7?
The 'Q' denotes AEC-Q100 qualification per Diodes Incorporated's product definitions. It confirms full compliance with stress testing including temperature cycling, HTOL, ESD (HBM/CDM), and latch-up (≥100mA), along with PPAP documentation readiness and production in IATF 16949-certified facilities - distinguishing it from industrial-grade variants.
Does the NC pin require PCB pad removal or special handling?
No. Pin 5 is a true no-connect - internally unconnected and electrically isolated. It must remain unconnected on the PCB: no solder mask opening, no trace, no via, and no thermal relief. Adding copper or routing near it may induce parasitic coupling; maintain ≥0.2mm clearance from adjacent traces per Diodes' recommended pad layout.
74AHC1G04QSE-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- 74AHC
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Inverter
- Number of Circuits:
- 1
- Number of Inputs:
- 1
- Features:
- -
- Voltage - Supply:
- 2V ~ 5.5V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 0.5V ~ 1.65V
- Input Logic Level - High:
- 1.5V ~ 3.85V
- Max Propagation Delay @ V, Max CL:
- 7.5ns @ 5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-353
74AHC1G04QSE-7 FAQ
1.How can I place an order for 74AHC1G04QSE-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AHC1G04QSE-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 74AHC1G04QSE-7 reliable?
The price and inventory of 74AHC1G04QSE-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHC1G04QSE-7 is usually 5 days.
3.What payment methods are accepted for 74AHC1G04QSE-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHC1G04QSE-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AHC1G04QSE-7?
74AHC1G04QSE-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AHC1G04QSE-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 74AHC1G04QSE-7?
For technical support, including 74AHC1G04QSE-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHC1G04QSE-7 requirements.
6.How does Aetrix verify that 74AHC1G04QSE-7 is sourced from the original manufacturer or authorized distributors?
All 74AHC1G04QSE-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 74AHC1G04QSE-7 meets industry standards.
7.What is the process for return or replacement of 74AHC1G04QSE-7?
All 74AHC1G04QSE-7 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHC1G04QSE-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 74AHC1G04QSE-7 part is unused and in its original packaging.
Return procedure for 74AHC1G04QSE-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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