The maximum frequency of operation for the CD74HCT4051M is typically 10 MHz, but it can vary depending on the specific application and operating conditions.
To ensure proper power sequencing, it is recommended to power up the VCC pin before the analog signal inputs, and to power down the VCC pin after the analog signal inputs. This helps to prevent latch-up and ensures reliable operation.
The maximum analog signal voltage that can be applied to the CD74HCT4051M is VCC + 0.5V, but it is recommended to keep the analog signal voltage within the range of 0V to VCC to ensure reliable operation.
To minimize power consumption, it is recommended to use a low-power mode when the device is not in use, and to use a low-VCC voltage supply. Additionally, using a high-impedance analog signal input can also help to reduce power consumption.
The recommended layout and routing for the CD74HCT4051M involves keeping the analog signal traces short and away from digital signal traces, using a solid ground plane, and minimizing the use of vias and jumpers. It is also recommended to use a low-inductance decoupling capacitor between VCC and GND.
CD74HCT4051M datasheet
by Texas Instruments
