Overview
The MC74VHC1G126, produced by onsemi, is a single gate noninverting 3-state buffer available in various tiny footprint packages. This component is designed to operate within a wide voltage range of 2.0 V to 5.5 V, making it versatile for different circuit applications. The MC74VHC1G126 features CMOS-level input thresholds, while its counterpart, the MC74VHC1GT126, has TTL-level input thresholds. The device is structured with three internal stages, including a buffered 3-state output, which enhances noise immunity and stability. It also includes input and output structures that provide protection against voltage mismatches, battery backup, and hot insertion.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC (DC Supply Voltage) | 2.0 | 5.5 | V | |
| VIN (DC Input Voltage) | 0 | 5.5 | V | |
| tPD (Propagation Delay, A to Y) at 5 V | 3.5 | ns | ||
| IO (DC Output Source/Sink Current) | ±25 | mA | ||
| TA (Operating Temperature Range) | −55 | 125 | °C | |
| ICC (Quiescent Supply Current) at VCC = 5.5 V | 1.0 | 20 | μA |
Key Features
- Designed for 2.0 V to 5.5 V VCC operation
- Inputs/Outputs Over-Voltage Tolerant up to 5.5 V
- IOFF supports partial power-down protection
- Source/Sink 8 mA at 3.0 V
- Available in SC-88A, SC-74A, TSOP-5, SOT-553, SOT-953, and UDFN6 packages
- Chip complexity of less than 100 FETs
- -Q suffix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified and PPAP capable
- Pb-free, halogen-free/BFR-free, and RoHS compliant
Applications
The MC74VHC1G126 is suitable for a variety of applications, including:
- Interface between 5 V and 3 V circuits
- Buffering and signal amplification in digital circuits
- Automotive systems requiring AEC-Q100 qualification
- General-purpose logic circuits where high noise immunity and stable outputs are necessary
- Hot insertion and battery backup scenarios due to its protective features
Q & A
- What is the operating voltage range of the MC74VHC1G126?
The MC74VHC1G126 operates within a voltage range of 2.0 V to 5.5 V.
- What are the input and output voltage tolerances of the MC74VHC1G126?
The inputs and outputs are over-voltage tolerant up to 5.5 V.
- What is the propagation delay of the MC74VHC1G126 at 5 V?
The propagation delay at 5 V is typically 3.5 ns.
- What is the maximum output current of the MC74VHC1G126?
The maximum output current is ±25 mA.
- What are the available packages for the MC74VHC1G126?
The component is available in SC-88A, SC-74A, TSOP-5, SOT-553, SOT-953, and UDFN6 packages.
- Is the MC74VHC1G126 RoHS compliant?
- What is the significance of the -Q suffix in some versions of the MC74VHC1G126?
The -Q suffix indicates that the device is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
- What is the operating temperature range of the MC74VHC1G126?
The operating temperature range is from -55°C to 125°C.
- Does the MC74VHC1G126 support partial power-down protection?
- What is the quiescent supply current of the MC74VHC1G126 at VCC = 5.5 V?
The quiescent supply current is typically 1.0 μA and can be up to 20 μA.
