My Inquiry
My Account
onsemi MC74VHC1G126P5T5G-L22088
- Part No.:
- MC74VHC1G126P5T5G-L22088
- Manufacturer:
- onsemi
- Package:
- SOT-953
- Datasheet:
-
MC74VHC1G126P5T5G-L22088.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V SOT953
- Quantity:
- Payment:
- Shipping:
Inventory:1,967
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MC74VHC1G126P5T5G-L22088 from onsemi is a single-channel noninverting 3-state buffer IC designed for level-shifting and bus isolation in low-voltage digital systems. It operates from 2.0 V to 5.5 V, delivers 3.5 ns propagation delay at 5 V (typ), supports ±8 mA output drive at 3.0 V, tolerates input/output voltages up to 5.5 V independent of VCC, and features IOFF partial power-down protection. It is used in mixed-voltage interface circuits between 3 V and 5 V logic domains.
For engineers reviewing the MC74VHC1G126P5T5G-L22088 datasheet, pinout, applications, or equivalent options, this page provides verified functional identity, package-specific pin mapping, real-world interface use cases, validated alternative parts, and supply-chain support details for industrial and embedded designs.
Technical Context
The MC74VHC1G126P5T5G-L22088 implements a CMOS-level input threshold architecture with a buffered 3-state output stage, enabling high noise immunity and stable signal transmission. Its three-stage internal circuit includes input protection diodes rated for 5.5 V overvoltage regardless of VCC, and output structures that remain safe during VCC = 0 V or output overvoltage conditions.
This design allows reliable interfacing between 5 V legacy subsystems and 3 V microcontrollers or FPGAs without external level translators. The IOFF feature ensures minimal leakage current when VCC is powered down, preventing back-driving of powered-down rails during hot insertion or partial system shutdown.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 2.0 V to 5.5 V - Enables operation across 2.5 V, 3.3 V, and 5 V logic families without voltage translation. |
| tPD (typ) | 3.5 ns at VCC = 5 V, CL = 15 pF - Supports high-speed data routing in compact timing-critical paths. |
| IOH/IOL | ±8 mA at VCC = 3.0 V - Drives standard CMOS loads and small capacitive buses directly. |
| Input/Output Tolerance | Up to 5.5 V regardless of VCC - Permits safe connection to 5 V signals while operating at 3 V or lower. |
| IOFF Leakage | ≤10 µA at VCC = 0 V - Prevents unintended current flow into powered-down sections during partial power-down. |
| Operating Temp | −55 °C to +125 °C - Qualified for extended industrial and automotive under-hood environments. |
| ESD Rating | HBM: 2000 V, CDM: 1000 V - Robust handling in automated assembly and field-replaceable modules. |
Pinout & Package
SOT-953 (Case 527AE), 5-pin ultra-small surface-mount package measuring 1.00 mm × 0.80 mm × 0.37 mm with 0.35 mm pitch. Pin 1 marked by dot or bevelled edge; top-view orientation per datasheet Figure 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A) | Buffer Input | CMOS-level input accepting 2.0–5.5 V signals; no external pull-up required for TTL-compatible thresholds. |
| 2 (GND) | Ground Reference | Primary return path for all I/O and supply currents; must be low-impedance for noise immunity. |
| 3 (OE) | Output Enable Control | Active-high enable; drives Y high-impedance when low - enables shared-bus arbitration and power gating. |
| 4 (Y) | Buffered Output | Noninverting, 3-state output with ±8 mA drive capability and overvoltage-tolerant structure. |
| 5 (VCC) | Supply Voltage | Single positive supply rail (2.0–5.5 V); powers internal logic and output stage; decoupling capacitor required. |
Key Features
| Feature | Design Value |
|---|---|
| Wide VCC range | 2.0 V to 5.5 V operation enables direct integration into multi-rail systems without regulators or translators. |
| Overvoltage-tolerant I/O | Inputs and outputs withstand up to 5.5 V even at VCC = 2.0 V - eliminates need for external clamping diodes. |
| IOFF partial power-down | Sub-µA leakage when VCC = 0 V prevents back-powering of inactive subsystems during hot-swap or sleep modes. |
| Low propagation delay | 3.5 ns typical at 5 V ensures minimal timing skew in clock distribution, address latching, and data forwarding paths. |
| AEC-Q100 qualified option | −Q suffix variants meet automotive qualification requirements; this part is standard industrial grade (no −Q suffix). |
Applications
| Industrial Sensor Interface | Microcontroller Bus Isolation |
|---|---|
Use Scenario: Connecting 5 V analog sensor outputs or legacy industrial I/O modules to a 3.3 V microcontroller ADC or GPIO bank. IC Role / Device Role / Timing Role: Level-shifting buffer isolating voltage domains while preserving signal integrity and timing margins. Use Value: Eliminates external level translators and reduces BOM count; overvoltage tolerance protects MCU inputs during transient overloads. |
Use Scenario: Enabling/disabling peripheral access on a shared SPI or parallel data bus controlled by an ARM Cortex-M MCU. IC Role / Device Role / Timing Role: 3-state gate controlling bus contention; OE synchronized to chip-select edges to prevent glitches. Use Value: Reduces bus contention risk and simplifies firmware control; fast 3.5 ns tPD maintains throughput in high-frequency peripheral access. |
| Hot-Swappable Module Interface | Low-Power System Power Gating |
Use Scenario: Interfacing a hot-pluggable daughterboard (e.g., communication module) with a main controller board operating at different supply voltages. IC Role / Device Role / Timing Role: Bidirectional voltage-tolerant buffer managing signal handshaking during insertion/removal events. Use Value: IOFF protection prevents back-driving during VCC ramp-up/down; 5.5 V tolerance avoids latch-up during plug-in transients. |
Use Scenario: Isolating always-on real-time clock or backup memory from a main processor domain that enters deep-sleep mode. IC Role / Device Role / Timing Role: Signal gate enabled only during active periods; OE driven low during sleep to force high-Z output. Use Value: IOFF leakage ≤10 µA minimizes standby current; eliminates need for separate power switches or isolation FETs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar noninverting 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G126DBVR | TTL-compatible input thresholds (VIH = 2.0 V min @ 3.3 V), slightly higher ICC (max 10 µA vs. 40 µA), same SOT-23-5 footprint. | Better suited for 3.3 V-only systems with strict VIH/VIL margins; less tolerant of 5 V inputs without external clamping. | Select when interfacing exclusively with LVTTL/LVC logic and lowest static current is critical. |
| 74AUP1G126GW,125 | Lower VCC range (0.8–3.6 V), ultra-low power (ICC < 0.5 µA), 6.4 ns tPD at 3.3 V, SC-70-5 package. | Optimized for battery-powered IoT nodes; not suitable for 5 V interface or industrial temperature range. | Select for sub-1 V to 3.3 V portable designs where power efficiency outweighs speed and voltage flexibility. |
Compared with SN74LVC1G126DBVR and 74AUP1G126GW,125, the MC74VHC1G126P5T5G-L22088 uniquely balances wide 2.0–5.5 V operation, 5.5 V I/O tolerance, and industrial temperature support - making it the preferred choice for mixed-voltage industrial controllers and legacy system upgrades.
Availability
MC74VHC1G126P5T5G-L22088 is available at Aetrix Electronics and suitable for industrial automation interfaces, mixed-voltage sensor hubs, and embedded controller bus isolation requiring stable component supply across long production lifecycles.
Supply support for MC74VHC1G126P5T5G-L22088 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 (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient silicon solutions for automotive, industrial, cloud, and IoT applications.
The MC74VHC1G126P5T5G-L22088 belongs to the VHC logic family, engineered for high-speed, low-power, mixed-voltage interoperability in space-constrained embedded systems.
FAQ
What is the exact function of MC74VHC1G126P5T5G-L22088?
The MC74VHC1G126P5T5G-L22088 is a single noninverting 3-state buffer IC. Its primary function is to transmit digital signals from input A to output Y when output enable (OE) is high, and present high-impedance (Z) at Y when OE is low. It features CMOS-level input thresholds and is optimized for level-shifting and bus isolation in 2.0–5.5 V systems.
Does MC74VHC1G126P5T5G-L22088 support 5 V input signals while operating at 3.3 V VCC?
Yes. The MC74VHC1G126P5T5G-L22088 has overvoltage-tolerant inputs and outputs rated up to 5.5 V regardless of VCC level. When powered at 3.3 V, it safely accepts 5 V logic signals on A or Y without damage or clamping, making it ideal for interfacing 5 V peripherals to 3.3 V controllers.
What package type does MC74VHC1G126P5T5G-L22088 use?
The MC74VHC1G126P5T5G-L22088 uses the SOT-953 package (Case 527AE): a 5-pin, ultra-compact surface-mount package measuring 1.00 mm × 0.80 mm × 0.37 mm with 0.35 mm lead pitch. Pin 1 is identified by a dot or bevelled edge per datasheet marking diagrams.
Is MC74VHC1G126P5T5G-L22088 qualified for automotive applications?
No. The MC74VHC1G126P5T5G-L22088 is an industrial-grade part. Automotive-qualified versions carry the "−Q" suffix (e.g., MC74VHC1G126P5T5G−Q) and are AEC-Q100 qualified with PPAP capability. This specific part number lacks the −Q suffix and is not certified for automotive use.
How does the IOFF feature work in MC74VHC1G126P5T5G-L22088?
The IOFF feature in MC74VHC1G126P5T5G-L22088 disables the output buffer and limits leakage current to ≤10 µA when VCC = 0 V - even if input or output pins are biased to valid logic levels. This prevents back-driving powered-down sections during partial power-down or hot insertion, protecting downstream circuitry.
MC74VHC1G126P5T5G-L22088 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74VHC
- Package/Case:
- SOT-953
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 1
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 8mA, 8mA
- Voltage - Supply:
- 2V ~ 5.5V
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-953
MC74VHC1G126P5T5G-L22088 FAQ
1.How can I place an order for MC74VHC1G126P5T5G-L22088 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74VHC1G126P5T5G-L22088 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 MC74VHC1G126P5T5G-L22088 reliable?
The price and inventory of MC74VHC1G126P5T5G-L22088 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74VHC1G126P5T5G-L22088 is usually 5 days.
3.What payment methods are accepted for MC74VHC1G126P5T5G-L22088?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74VHC1G126P5T5G-L22088 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74VHC1G126P5T5G-L22088?
MC74VHC1G126P5T5G-L22088 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74VHC1G126P5T5G-L22088 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 MC74VHC1G126P5T5G-L22088?
For technical support, including MC74VHC1G126P5T5G-L22088 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74VHC1G126P5T5G-L22088 requirements.
6.How does Aetrix verify that MC74VHC1G126P5T5G-L22088 is sourced from the original manufacturer or authorized distributors?
All MC74VHC1G126P5T5G-L22088 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 MC74VHC1G126P5T5G-L22088 meets industry standards.
7.What is the process for return or replacement of MC74VHC1G126P5T5G-L22088?
All MC74VHC1G126P5T5G-L22088 units undergo pre-shipment inspection (PSI). If there is an issue with MC74VHC1G126P5T5G-L22088, 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 MC74VHC1G126P5T5G-L22088 part is unused and in its original packaging.
Return procedure for MC74VHC1G126P5T5G-L22088:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MC74VHC1G126P5T5G-L22088 Tags
-
SN74LVC1G17DBVR
Texas Instruments
-
SN74LVC1G07DCKR
Texas Instruments
-
SN74LVC1G17DCKR
Texas Instruments
-
SN74LVC1G07DBVR
Texas Instruments
-
SN74LVC1G125DCKR
Texas Instruments
-
SN74AHCT1G126DBVR
Texas Instruments
-
SN74LVC1G125DBVR
Texas Instruments
-
SN74AHCT1G125DBVR
Texas Instruments
-
SN74LVC2G17DBVR
Texas Instruments
-
SN74LVC2G07DCKR
Texas Instruments
-
SN74LVC1G34DCKR
Texas Instruments
-
SN74LVC2G17DCKR
Texas Instruments
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
