Nexperia USA Inc. 74HC2G34GV,125
- Part No.:
- 74HC2G34GV,125
- Manufacturer:
- Nexperia USA Inc.
- Package:
- SC-74, SOT-457
- Datasheet:
-
74HC2G34GV,125.pdf
- Description:
- IC BUFFER NON-INVERT 6V 6TSOP
- Quantity:
- Payment:

- Shipping:

Inventory:11,174
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Product details
Overview
74HC2G34GV,125 from Nexperia is a dual non-inverting buffer gate in SC-74 (SOT457) package, operating from 2.0 V to 6.0 V supply, delivering balanced propagation delays as low as 8 ns at 6.0 V/50 pF, with CMOS-level input compatibility and -40 °C to +125 °C industrial temperature range - used for signal buffering and level translation in digital logic interfaces.
For engineers reviewing the 74HC2G34GV,125 datasheet, 74HC2G34GV,125 pinout, 74HC2G34GV,125 application, or 74HC2G34GV,125 equivalent, key selection criteria include supply voltage flexibility (2.0–6.0 V), guaranteed output drive (±4 mA at 4.5 V), input clamp diode support for overvoltage-tolerant interfacing, and TSSOP6 footprint compatibility across HC/HCT variants.
Technical Context
This device implements two independent, unidirectional CMOS buffer gates with no internal feedback or hysteresis. Each channel features input clamp diodes enabling safe interface to signals exceeding VCC when used with current-limiting resistors.
It operates without internal biasing networks or enable controls - function is purely combinational: output Y follows input A with fixed polarity and delay. Propagation delay and transition time are load- and supply-voltage dependent, specified under 50 pF capacitive loading per IEC 60134 test conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.0 V to 6.0 V - supports mixed-voltage system interfacing (e.g., 3.3 V logic driving 5 V bus) |
| Propagation Delay (tpd) | 8 ns max at VCC = 6.0 V, CL = 50 pF - enables reliable timing in sub-100 MHz digital control paths |
| Output Drive Strength | ±4.0 mA at VCC = 4.5 V - sufficient to drive standard TTL loads or multiple 74HC inputs |
| Input Clamp Diodes | Integrated - allows safe connection of inputs to voltages > VCC when series current limiting is applied |
| Operating Temperature | -40 °C to +125 °C - qualified for extended industrial and under-hood embedded applications |
| ESD Protection | HBM > 2000 V, CDM > 1000 V - meets JEDEC JS-001 Class 2 and JS-002 Class C3 for robust board handling |
Pinout & Package
SC-74 (SOT457) plastic surface-mounted package: 6-pin, 1.25 mm body width, 0.95 mm height, lead pitch 0.95 mm, compliant with JEDEC MO-178AA.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1A | First buffer input - accepts CMOS-level signals; clamped to GND/VCC |
| 2 | GND | Ground reference - must be connected to system 0 V plane for noise immunity and correct logic thresholds |
| 3 | 2A | Second buffer input - electrically isolated from 1A; identical electrical behavior |
| 4 | 2Y | Second buffer output - provides rail-to-rail CMOS-compatible output swing |
| 5 | VCC | Positive supply - powers both buffers; decoupling capacitor required within 5 mm |
| 6 | 1Y | First buffer output - non-inverting replica of 1A with defined delay and drive capability |
Key Features
| Feature | Design Value |
|---|---|
| Wide supply voltage range | 2.0 V to 6.0 V operation enables reuse across 3.3 V and 5 V subsystems without level shifters |
| Balanced propagation delays | Matched tPLH/tPHL ensures symmetrical rise/fall timing critical for clock distribution and data strobing |
| Unlimited input rise/fall times | No minimum edge rate requirement - compatible with slow-switching sensors or RC-filtered control signals |
| Latch-up immunity | Exceeds 100 mA per JESD78 Class II Level B - prevents destructive latch-up during transient overvoltage events |
| CMOS input compatibility | VIH ≥ 3.15 V and VIL ≤ 1.35 V at VCC = 4.5 V - ensures clean recognition of 3.3 V logic highs in mixed-supply systems |
Applications
| Industrial PLC I/O Expansion | Automotive Body Control Module |
|---|---|
|
Use Scenario: Buffering microcontroller GPIO outputs to drive optocoupler inputs in isolated I/O cards. IC Role / Device Role / Timing Role: Signal integrity preservation and voltage-level adaptation between 3.3 V MCU and 5 V isolation stage. Use Value: Input clamp diodes allow direct connection to 5 V-sourced pull-ups without external protection; 8 ns delay ensures deterministic timing in cyclic scan logic. |
Use Scenario: Isolating CAN transceiver TXD/RXD lines from microcontroller pins in door module ECUs. IC Role / Device Role / Timing Role: Noise-immune signal conditioning between MCU and physical layer, preventing ground bounce coupling. Use Value: High noise immunity and -40 °C to +125 °C rating ensure stable operation in high-EMI cabin environments; 2.0–6.0 V range accommodates battery-voltage fluctuations. |
| Medical Sensor Interface Board | Consumer Appliance Control Panel |
|
Use Scenario: Driving LED segment drivers and buzzer drivers from low-current MCU outputs. IC Role / Device Role / Timing Role: Output current boosting and logic-level restoration for discrete actuator control. Use Value: ±4 mA drive capability eliminates need for discrete transistor stages; low ICC (≤20 μA at 6.0 V) extends battery life in portable diagnostics units. |
Use Scenario: Interfacing touch controller IC outputs to legacy 5 V display driver ICs in smart home hubs. IC Role / Device Role / Timing Role: Bidirectional voltage translation and fan-out expansion for parallel bus signals. Use Value: Dual-gate architecture reduces component count vs. single-buffer solutions; SC-74 footprint minimizes PCB area in space-constrained front-panel assemblies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual buffer gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HC2G34GW,125 | TSSOP6 (SOT363-2) package - 1.25 mm body width, 0.65 mm pitch vs. SC-74's 0.95 mm pitch | Higher density layout possible; requires tighter stencil aperture and reflow profile control | Select when board space is constrained and assembly process supports fine-pitch TSSOP. |
| 74HCT2G34GV,125 | TTL-compatible inputs (VIH = 2.0 V min at VCC = 4.5–5.5 V) vs. CMOS inputs on HC variant | Enables direct interface to legacy 5 V TTL outputs without level shifting | Select when driving from older 5 V logic families or when input threshold stability across VCC variation is critical. |
Compared with 74HC2G34GV,125, the GW variant offers smaller footprint but stricter assembly requirements, while the HCT variant trades CMOS input sensitivity for guaranteed TTL-level recognition - choice depends on source logic family and PCB layout constraints, not performance hierarchy.
Availability
74HC2G34GV,125 is available at Aetrix Electronics and suitable for industrial PLC I/O expansion, automotive body control modules, and medical sensor interface boards requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74HC2G34GV,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 focused on essential efficiency technologies, delivering high-performance logic, analog, and MOSFET solutions for automotive, industrial, and consumer markets.
The 74HC2G34 series belongs to Nexperia's high-speed CMOS logic portfolio, designed specifically for low-power, wide-supply digital interfacing in space- and reliability-critical embedded systems.
FAQ
What is the maximum recommended operating voltage for 74HC2G34GV,125?
The absolute maximum supply voltage is +7.0 V, but the recommended operating range is 2.0 V to 6.0 V per datasheet Section 9. Operation above 6.0 V voids parametric guarantees and risks accelerated aging. At 6.0 V, VOH remains ≥5.68 V and VOL ≤0.26 V under 5.2 mA load, confirming full rail-to-rail output compliance.
Does 74HC2G34GV,125 support mixed-voltage interfacing?
Yes - its input clamp diodes allow safe connection to signals up to VCC + 0.5 V when series current limiting is applied (per Section 6.2 and Section 8). For example, a 3.3 V MCU can drive the 74HC2G34GV,125 powered at 5 V using a 1 kΩ resistor, with VI clamped to 5.5 V max and IIK limited to ±20 mA.
How does temperature affect propagation delay in this device?
Propagation delay increases with temperature: at VCC = 4.5 V/CL = 50 pF, tpd rises from 9 ns (25 °C) to 19 ns (-40 °C to +85 °C) and 25 ns (-40 °C to +125 °C) per Table 9. This monotonic increase is due to carrier mobility reduction and must be accounted for in worst-case timing analysis of high-reliability systems.
Can 74HC2G34GV,125 replace 74HC07 open-drain buffers?
No - 74HC2G34GV,125 has push-pull CMOS outputs, not open-drain. It cannot perform wired-AND functions or drive shared buses without external pull-ups. Its output structure actively drives both HIGH and LOW states, making it unsuitable as a drop-in replacement for 74HC07 in I²C or interrupt-line applications where passive pull-up is required.
74HC2G34GV,125 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74HC
- Package/Case:
- SC-74, SOT-457
- Packaging:
- Tape & Reel (TR)
- 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:
- 5.2mA, 5.2mA
- Voltage - Supply:
- 2V ~ 6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TSOP
74HC2G34GV,125 FAQ
1.How can I place an order for 74HC2G34GV,125 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HC2G34GV,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 74HC2G34GV,125 reliable?
The price and inventory of 74HC2G34GV,125 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HC2G34GV,125 is usually 5 days.
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Once your 74HC2G34GV,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 74HC2G34GV,125?
For technical support, including 74HC2G34GV,125 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HC2G34GV,125 requirements.
6.How does Aetrix verify that 74HC2G34GV,125 is sourced from the original manufacturer or authorized distributors?
All 74HC2G34GV,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 74HC2G34GV,125 meets industry standards.
7.What is the process for return or replacement of 74HC2G34GV,125?
All 74HC2G34GV,125 units undergo pre-shipment inspection (PSI). If there is an issue with 74HC2G34GV,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 74HC2G34GV,125 part is unused and in its original packaging.
Return procedure for 74HC2G34GV,125:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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