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NXP Semiconductors 74HCT2G34GV,125
- Part No.:
- 74HCT2G34GV,125
- Manufacturer:
- NXP Semiconductors
- Package:
- SC-74, SOT-457
- Datasheet:
-
74HCT2G34GV,125.pdf
- Description:
- IC BUFFER DL NON-INV 6TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:54,783
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Product details
Overview
74HCT2G34GV,125 from Nexperia is a dual non-inverting buffer gate in SC-74 (SOT457) package, designed for TTL-level input compatibility and 5 V logic interfacing. It delivers balanced propagation delays (10–29 ns at VCC = 4.5 V, CL = 50 pF), operates across -40 °C to +125 °C, and features input clamp diodes enabling safe interface with voltages exceeding VCC using current-limiting resistors.
For engineers reviewing the 74HCT2G34GV,125 datasheet, 74HCT2G34GV,125 pinout, 74HCT2G34GV,125 application, or 74HCT2G34GV,125 equivalent, key selection criteria include TTL-compatible input thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V at VCC = 4.5–5.5 V), low static ICC (≤ 20 μA at +125 °C), robust ESD protection (HBM > 2000 V, CDM > 1000 V), and guaranteed operation up to 125 °C ambient.
Technical Context
This device implements two independent CMOS-based non-inverting buffers with TTL-compatible input thresholds, enabling direct replacement of legacy 74LS logic in 5 V systems while maintaining low power consumption. Its input clamp diodes support overvoltage-tolerant interfacing without external protection components.
The logic function is strictly buffered (Y = A), with no Schmitt-trigger inputs, and propagation delay symmetry (tPLH ≈ tPHL) ensures predictable timing in signal conditioning and fanout expansion paths. Operation is specified down to 4.5 V and up to 5.5 V, with full functionality guaranteed across industrial and extended temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Dual non-inverting buffer (Y = A); enables signal buffering and fanout expansion without inversion. |
| Supply Voltage Range | 4.5 V to 5.5 V; compatible with standard 5 V TTL/CMOS systems and tolerant of supply rail variation. |
| Input Thresholds (VCC = 4.5 V) | VIH(min) = 2.0 V, VIL(max) = 0.8 V; ensures reliable recognition of TTL logic levels. |
| Propagation Delay (CL = 50 pF) | 10–29 ns (−40 °C to +125 °C); supports timing-critical signal routing in high-speed digital interfaces. |
| Output Drive (VCC = 4.5 V) | VOH(min) = 4.13 V @ −40 °C to +125 °C, IO = −4 mA; VOL(max) = 0.4 V @ +125 °C, IO = 4 mA - maintains noise margin under load. |
| ESD Protection | HBM > 2000 V, CDM > 1000 V; meets JEDEC JS-001/JS-002 requirements for robust handling in manufacturing and field use. |
| Operating Temperature | −40 °C to +125 °C; qualified for extended industrial and under-hood applications requiring thermal resilience. |
Pinout & Package
SC-74 (SOT457) plastic surface-mounted package: 6-lead, 1.7 mm body width, 0.65 mm lead pitch, pin 1 indicator located below marking code in lower-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1A | First buffer input; accepts TTL-level signals and supports overvoltage tolerance via internal clamp diode. |
| 2 | GND | Ground reference (0 V); must be connected to system ground plane for stable logic operation and noise immunity. |
| 3 | 2A | Second buffer input; electrically isolated from 1A, enabling independent signal conditioning paths. |
| 4 | 2Y | Second buffer output; provides rail-to-rail CMOS-compatible output swing with ±4 mA drive capability. |
| 5 | VCC | Positive supply (4.5–5.5 V); decoupling capacitor (100 nF) recommended near pin for transient suppression. |
| 6 | 1Y | First buffer output; matches 2Y in electrical characteristics, supporting matched timing in dual-path designs. |
Key Features
| Feature | Design Value |
|---|---|
| TTL-compatible inputs | VIH(min) = 2.0 V and VIL(max) = 0.8 V at VCC = 4.5–5.5 V - eliminates need for level-shifting circuitry when interfacing with legacy 5 V microcontrollers or peripherals. |
| Input clamp diodes | Enables safe interface to voltages > VCC using external current-limiting resistors - reduces BOM count and PCB area in mixed-voltage subsystems. |
| Low static power | ICC ≤ 20 μA at +125 °C and VCC = 5.5 V - supports always-on functions in energy-constrained industrial control nodes. |
| Extended temperature range | Guaranteed operation from −40 °C to +125 °C - suitable for deployment in automotive engine compartments and industrial motor drives without derating. |
| High noise immunity | CMOS architecture with balanced input thresholds and hysteresis-free design - rejects common-mode noise in noisy factory-floor environments. |
Applications
| Industrial PLC I/O Expansion | Automotive Body Control Module |
|---|---|
|
Use Scenario: Buffering discrete sensor inputs (e.g., door switch, hood latch) before feeding into MCU GPIO with limited drive strength. IC Role / Device Role / Timing Role: Signal integrity conditioner and fanout expander; isolates MCU from EMI-prone wiring harnesses while preserving edge timing. Use Value: Enables direct connection of unconditioned mechanical switch signals to 5 V MCU inputs without external pull-ups or RC filtering, reducing component count by ≥2 per channel. |
Use Scenario: Level-shifting and buffering between 5 V CAN transceiver status lines and 3.3 V microcontroller interrupt pins. IC Role / Device Role / Timing Role: Logic-level translator and noise filter; provides TTL-compatible input threshold and fast propagation (<29 ns) for real-time fault reporting. Use Value: Eliminates need for discrete resistor-divider networks or dedicated level shifters, cutting board space by 30% and improving signal fidelity in high-noise vehicle cabins. |
| Medical Diagnostic Equipment | Test & Measurement Instrumentation |
|
Use Scenario: Driving multiple LED indicators from a single microcontroller output in portable ultrasound units with strict power budgets. IC Role / Device Role / Timing Role: Current-boosting buffer; delivers ±4 mA per output to drive LEDs directly without transistor stages. Use Value: Reduces bill-of-materials cost by removing two NPN/PNP pairs per indicator channel and improves reliability by eliminating solder joints and base resistors. |
Use Scenario: Synchronizing trigger signals across multiple analog acquisition channels in benchtop oscilloscopes. IC Role / Device Role / Timing Role: Low-skew dual buffer; ensures matched tPLH/tPHL (≤5 ns skew) between parallel trigger paths. Use Value: Maintains sub-10 ns inter-channel timing alignment across temperature extremes, critical for accurate multi-channel waveform reconstruction. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT2G34GW,125 | Same logic and specs, but in TSSOP6 (SOT363-2) package: 1.25 mm body width vs. 1.7 mm for SC-74; 0.65 mm pitch identical. | Preferred where tighter board area is required and reflow profile supports thinner package; slightly higher thermal resistance than SC-74. | Select GW variant for space-constrained layouts; select GV for improved thermal dissipation and mechanical robustness in high-vibration environments. |
| SN74LVC2G34DBVR | 3.3 V only (1.65–5.5 V), LVTTL-compatible inputs (VIH = 2.0 V min at VCC = 3.3 V), lower ICC (≤ 10 μA), smaller SC70-6 package. | Not suitable for pure 5 V TTL systems; requires VCC = 3.3 V unless operated in overvoltage-tolerant mode with external clamping. | Choose for new 3.3 V designs prioritizing ultra-low power and miniaturization; avoid in legacy 5 V-only systems lacking voltage translation. |
Compared with 74HCT2G34GV,125, the GW variant offers identical electrical performance in a marginally smaller footprint, while the SN74LVC2G34DBVR trades 5 V native compatibility for lower power and size - making GV optimal for thermally demanding, vibration-prone 5 V industrial deployments.
Availability
74HCT2G34GV,125 is available at Aetrix Electronics and suitable for industrial PLC I/O expansion, automotive body control modules, medical diagnostic equipment, and test & measurement instrumentation requiring stable component supply across extended temperature ranges.
Supply support for 74HCT2G34GV,125 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
Nexperia is a global semiconductor expert specializing in high-performance, high-reliability logic, analog, and discrete components, with roots in Philips Semiconductors and headquartered in Nijmegen, Netherlands.
The 74HCT series targets robust 5 V logic interoperability in industrial and automotive applications, delivering TTL-compatible inputs with CMOS efficiency and extended temperature resilience - bridging legacy and modern system architectures.
FAQ
Can 74HCT2G34GV,125 operate reliably at 4.5 V supply?
Yes. The device is fully specified for VCC = 4.5 V to 5.5 V, with guaranteed VIH(min) = 2.0 V and VIL(max) = 0.8 V, VOH(min) = 4.13 V (at −40 °C to +125 °C, IO = −4 mA), and VOL(max) = 0.4 V (at +125 °C, IO = 4 mA). Propagation delay remains within 10–29 ns across this range.
Does it support overvoltage-tolerant inputs above VCC?
Yes. Internal input clamp diodes allow safe interface to voltages exceeding VCC when used with external current-limiting resistors. Absolute maximum input voltage is VCC + 0.5 V, and input clamping current is rated to ±20 mA per JESD 78 Class II Level B.
What is the thermal performance difference between SOT457 (GV) and SOT363-2 (GW)?
SOT457 (GV) has a higher thermal resistance than SOT363-2 (GW): Ptot derates linearly at 4.1 mW/K above 89 °C for GV versus 3.7 mW/K above 83 °C for GW. This makes GV more suitable for sustained operation in high-ambient-temperature enclosures where board-level airflow is limited.
Is 74HCT2G34GV,125 qualified for automotive applications?
No. While it operates from −40 °C to +125 °C, Nexperia does not classify this part as automotive-qualified. It lacks AEC-Q100 stress testing and automotive-specific failure analysis. For automotive use, consult Nexperia's official automotive-grade equivalents such as the 74HCT2G34-Q100 series.
74HCT2G34GV,125 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74HCT
- Package/Case:
- SC-74, SOT-457
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 2
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- Push-Pull
- Current - Output High, Low:
- 4mA, 4mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TSOP
74HCT2G34GV,125 FAQ
1.How can I place an order for 74HCT2G34GV,125 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT2G34GV,125 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 74HCT2G34GV,125 reliable?
The price and inventory of 74HCT2G34GV,125 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT2G34GV,125 is usually 5 days.
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Once your 74HCT2G34GV,125 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 74HCT2G34GV,125?
For technical support, including 74HCT2G34GV,125 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT2G34GV,125 requirements.
6.How does Aetrix verify that 74HCT2G34GV,125 is sourced from the original manufacturer or authorized distributors?
All 74HCT2G34GV,125 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 74HCT2G34GV,125 meets industry standards.
7.What is the process for return or replacement of 74HCT2G34GV,125?
All 74HCT2G34GV,125 units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT2G34GV,125, 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 74HCT2G34GV,125 part is unused and in its original packaging.
Return procedure for 74HCT2G34GV,125:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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