The **U74LVC1G32G-AF5-R** is a high-performance, low-voltage CMOS device. Specifically, it is a **2-input OR gate** manufactured by Unisonic Technologies (UTC). It is part of the "74LVC" logic family, which is designed for sub-5V applications with high speed and low power consumption. --- ### ## Technical Specifications | Parameter | Specification | | :--- | :--- | | **Logic Function** | 2-Input OR Gate | | **Logic Family** | LVC (Low Voltage CMOS) | | **Supply Voltage ($V_{CC}$)** | 1.65V to 5.5V | | **Output Current ($I_{OH}/I_{OL}$)** | ±24 mA (at 3.0V) | | **Propagation Delay** | ~3.1 ns (at 3.3V) | | **Operating Temperature** | -40°C to +85°C | | **Package Type** | SOT-25 / SOT-23-5 (AF5) | --- ### ### Pin Configuration (SOT-25) The device features 5 pins, organized as follows: 1. **Pin 1 (A):** Data Input A 2. **Pin 2 (B):** Data Input B 3. **Pin 3 (GND):** Ground 4. **Pin 4 (Y):** Data Output 5. **Pin 5 ($V_{CC}$):** Supply Voltage --- ### ## Key Features * **Broad Voltage Range:** Operates effectively from 1.65V to 5.5V, making it compatible with 1.8V, 2.5V, 3.3V, and 5V systems. * **$I_{off}$ Circuitry:** Supports partial power-down mode. When the device is powered down, the outputs are disabled, preventing damaging backflow current into the device. * **High Drive Capability:** The ±24mA output current allows the chip to drive relatively heavy loads or multiple logic inputs. * **Small Footprint:** The SOT-25 package (AF5 suffix) is ideal for space-constrained applications like smartphones or wearable tech. --- ### ## Logic Table The OR gate output (Y) is **HIGH** if at least one input (A or B) is **HIGH**. | Input A | Input B | Output Y | | :---: | :---: | :---: | | L | L | **L** | | L | H | **H** | | H | L | **H** | | H | H | **H** | --- ### ## Part Number Breakdown * **U74LVC:** UTC Low Voltage CMOS series. * **1G32:** "1G" denotes a single gate; "32" identifies it as an **OR** gate. * **G:** Halogen-free and RoHS compliant. * **AF5:** Package code for SOT-25. * **R:** Tape & Reel packaging.