SFFSB97 April 2026 CD74HC4067-Q1
Figure 4-3 shows the CD74HC4067-Q1 pin diagram for the DGS (VSSOP, 24) package. For a detailed description of the device pins, see the Pin Configuration and Functions section in the CD74HC4067-Q1 datasheet.
| Pin Name | Pin No. | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|
| COMMON I/O | 1 | There is corruption of the signal passed onto the IX pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I7 | 2 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I6 | 3 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I5 | 4 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I4 | 5 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I3 | 6 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I2 | 7 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I1 | 8 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I0 | 9 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| S0 | 10 | The address is stuck low. The pin cannot control switch states. | B |
| S1 | 11 | The address is stuck low. The pin cannot control switch states. | B |
| GND | 12 | There is no effect on the device. The device operates as normal. | D |
| S3 | 13 | The address is stuck low. The pin cannot control switch states. | B |
| S2 | 14 | The address is stuck low. The pin cannot control switch states. | B |
| E | 15 | EN is stuck low. The pin can no longer disable the device without a power down. | B |
| I15 | 16 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I14 | 17 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I13 | 18 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I12 | 19 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I11 | 20 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I10 | 21 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I19 | 22 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I18 | 23 | There is corruption of the signal passed onto the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| VCC | 24 | The device is not powered. The device is not functional. Observe that the absolute maximum ratings for all pins of the device are met; otherwise, damage to the device is plausible. | A |
| Pin Name | Pin No. | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|
| COMMON I/O | 1 | There is corruption of the signal passed onto the IX pin. | B |
| I7 | 2 | There is corruption of the signal passed onto the COMMON pin. | B |
| I6 | 3 | There is corruption of the signal passed onto the COMMON pin. | B |
| I5 | 4 | There is corruption of the signal passed onto the COMMON pin. | B |
| I4 | 5 | There is corruption of the signal passed onto the COMMON pin. | B |
| I3 | 6 | There is corruption of the signal passed onto the COMMON pin. | B |
| I2 | 7 | There is corruption of the signal passed onto the COMMON pin. | B |
| I1 | 8 | There is corruption of the signal passed onto the COMMON pin. | B |
| I0 | 9 | There is corruption of the signal passed onto the COMMON pin. | B |
| S0 | 10 | The address is stuck low. The pin cannot control switch states. | B |
| S1 | 11 | The address is stuck low. The pin cannot control switch states. | B |
| GND | 12 | There is no effect on the device. The device operates as normal. | A |
| S3 | 13 | The address is stuck low. The pin cannot control switch states. | B |
| S2 | 14 | The address is stuck low. The pin cannot control switch states. | B |
| E | 15 | EN is stuck low. The pin can no longer disable the device without a power down. | B |
| I15 | 16 | There is corruption of the signal passed onto the COMMON pin. | B |
| I14 | 17 | There is corruption of the signal passed onto the COMMON pin. | B |
| I13 | 18 | There is corruption of the signal passed onto the COMMON pin. | B |
| I12 | 19 | There is corruption of the signal passed onto the COMMON pin. | B |
| I11 | 20 | There is corruption of the signal passed onto the COMMON pin. | B |
| I10 | 21 | There is corruption of the signal passed onto the COMMON pin. | B |
| I9 | 22 | There is corruption of the signal passed onto the COMMON pin. | B |
| I8 | 23 | There is corruption of the signal passed onto the COMMON pin. | B |
| VCC | 24 | The device is not powered. The device is not functional. | B |
| Pin Name | Pin No. | Shorted to | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|---|
| COMMON I/O | 1 | I7 | There is possible corruption of the signal passed on to the IX pin. | B |
| I7 | 2 | I6 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I6 | 3 | I5 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I5 | 4 | I4 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I4 | 5 | I3 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I3 | 6 | I2 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I2 | 7 | I1 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I1 | 8 | I0 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I0 | 9 | S0 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| S0 | 10 | S1 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| S1 | 11 | GND | There is possible damage to the device if the signal voltage is negative. Observe that the absolute maximum ratings for all pins of the device are met; otherwise, damage to the device is possible. | A |
| GND | 12 | S3 | This pin is not considered. This is a corner pin. | D |
| S3 | 13 | S2 | Control of the address pin is lost. The pin cannot control switch states. | B |
| S2 | 14 | E | There is possible corruption of the signal passed onto the COMMON pin. The switch state is undefined. | B |
| E | 15 | I15 | There is possible corruption of the signal passed onto the COMMON pin. The switch state is undefined. | B |
| I15 | 16 | I14 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I14 | 17 | I13 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I13 | 18 | I12 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I12 | 19 | I11 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I11 | 20 | I10 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I10 | 21 | I9 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I9 | 22 | I8 | There is possible corruption of the signal passed on to the IX and COMMON pin. | B |
| I8 | 23 | VCC | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| VCC | 24 | COMMON I/O | This pin is not considered. This is a corner pin. | D |
| Pin Name | Pin No. | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|
| COMMON I/O | 1 | There is corruption of the signal passed on to the IX pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I7 | 2 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I6 | 3 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I5 | 4 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I4 | 5 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I3 | 6 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I2 | 7 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I1 | 8 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I0 | 9 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| S0 | 10 | The address is stuck high. The pin cannot control switch states. | B |
| S1 | 11 | The address is stuck high. The pin cannot control switch states. | B |
| GND | 12 | The device is not powered and not functional. Observe that the absolute maximum ratings for all pins of the device are met; otherwise, damage to the device is possible. | A |
| S3 | 13 | The address is stuck high. The pin cannot control switch states. | B |
| S2 | 14 | The address is stuck high. The pin cannot control switch states. | B |
| E | 15 | EN is stuck high. The pin can no longer enable the device. | B |
| I15 | 16 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I14 | 17 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I13 | 18 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I12 | 19 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I11 | 20 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I10 | 21 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I9 | 22 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| I8 | 23 | There is corruption of the signal passed on to the COMMON pin. If there is no limiting resistor in the switch path, then device damage is possible. | A |
| VCC | 24 | There is no effect on the device. The device operates as normal. | D |