SCDS461A November 2023 – January 2025 TMUX7348F-EP
PRODUCTION DATA
Figure 5-1 PW Package,20-Pin TSSOP(Top View)| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | NO.(2) | ||
| A0 | 1 | I | Logic control input address 0 (A0). The pin has a 4 MΩ internal pull-down resistor. This pin can also be used together with the specific fault pin (SF) to indicate which input is under fault. See Section 8.4.3 for more details. |
| A1 | 20 | I | Logic control input address 1 (A1). The pin has a 4 MΩ internal pull-down resistor. This pin can also be used together with the specific fault pin (SF) to indicate which input is under fault. See Section 8.4.3 for more details. |
| A2 | 19 | I | Logic control input address 2 (A2). The pin has a 4 MΩ internal pull-down resistor. This pin can also be used together with the specific fault pin (SF) to indicate which input is under fault. See Section 8.4.3 for more details. |
| D | 8 | I/O | Drain pin. Can be an input or output. The drain pin is not overvoltage protected and shall remain within the recommended operating range. |
| EN | 2 | I | Active high logic enable (EN) pin. The pin has a 4 MΩ internal pull-down resistor. The device is disabled and all switches become high impedance when the pin is low. When the pin is high, the Ax logic inputs determine individual switch states. See Section 8.4.3 for more details. |
| FF | 11 | O | General fault flag. This pin is an open drain output and is asserted low when overvoltage condition is detected on any of the source (Sx) input pins. Connect this pin to an external supply (1.8 V to 5.5 V) through a 1 kΩ pull-up resistor. |
| GND | 18 | P | Ground (0 V) reference |
| S1 | 4 | I/O | Overvoltage protected source pin 1. Can be an input or output. |
| S2 | 5 | I/O | Overvoltage protected source pin 2. Can be an input or output. |
| S3 | 6 | I/O | Overvoltage protected source pin 3. Can be an input or output. |
| S4 | 7 | I/O | Overvoltage protected source pin 4. Can be an input or output. |
| S5 | 16 | I/O | Overvoltage protected source pin 5. Can be an input or output. |
| S6 | 15 | I/O | Overvoltage protected source pin 6. Can be an input or output. |
| S7 | 14 | I/O | Overvoltage protected source pin 7. Can be an input or output. |
| S8 | 13 | I/O | Overvoltage protected source pin 8. Can be an input or output. |
| SF | 10 | O | Specific fault flag. This pin is an open drain output and is asserted low when overvoltage condition is detected on a specific pin, depending on the state of A0, A1, and A2 , as shown in Table 8-1. Connect this pin to an external supply (1.8 V to 5.5 V) through a 1 kΩ pull-up resistor. |
| VDD | 17 | P | Positive power supply. This pin is the most positive power-supply potential. For reliable operation, connect a decoupling capacitor ranging from 0.1 µF to 10 µF between VDD and GND. |
| VFN | 9 | P | Negative fault voltage supply that determines the overvoltage protection triggering threshold on the negative side. Connect to VSS if the triggering threshold is to be the same as the device's negative supply. For reliable operation, connect a decoupling capacitor ranging from 0.1 µF to 10 µF between VFN and GND. |
| VFP | 12 | P | Positive fault voltage supply that determines the overvoltage protection triggering threshold on the positive side. Connect to VDD if the triggering threshold is to be the same as the device's positive supply. For reliable operation, connect a decoupling capacitor ranging from 0.1 µF to 10 µF between VFP and GND. |
| VSS | 3 | P | Negative power supply. This pin is the most negative power-supply potential. In single-supply applications, this pin can be connected to ground. For reliable operation, connect a decoupling capacitor ranging from 0.1 µF to 10 µF between VSS and GND. |