The maximum operating frequency of the SN74LS112ADR is 35 MHz, but it can vary depending on the load capacitance and the output current.
To ensure reliable operation in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its specified temperature range (-40°C to 85°C).
No, the SN74LS112ADR is a 5V device and is not compatible with 3.3V systems. Using it in a 3.3V system may result in unreliable operation or damage to the device.
It is recommended to follow a controlled power-up and power-down sequence to prevent damage to the device. The power supply voltage (VCC) should be applied before the input signals, and the input signals should be stable before the output signals are enabled.
The recommended termination scheme for the SN74LS112ADR is to use a pull-up resistor (typically 1 kΩ to 10 kΩ) to VCC on the output pins, and to use a series resistor (typically 22 Ω to 47 Ω) on the input pins to prevent overvoltage and ringing.