74LCX138FT footprint, schematic symbol and 3D model by Toshiba

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74LCX138FT Details

The recommended operating voltage range for the 74LCX138FT is 2.3V to 3.6V, although it can operate as low as 1.65V with reduced performance.
To ensure proper power-on and power-off, the VCC pin should be ramped up and down slowly (typically within 100ms) to prevent voltage spikes and noise. Additionally, the input signals should be stable and within the recommended voltage range before applying power.
The maximum frequency of operation for the 74LCX138FT is typically around 100MHz, although this can vary depending on the specific application and operating conditions.
Unused inputs on the 74LCX138FT should be tied to a valid logic level (either VCC or GND) to prevent floating inputs and reduce power consumption. Floating inputs can cause increased power consumption and noise.
The 74LCX138FT can sink or source up to 24mA of current per output pin, although this can vary depending on the specific application and operating conditions.

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