SFFSBH0 July 2026 SN74CBTLV3245A-Q1
4.1 TSSOP (20), VSSOP (20), and VQFN (20) Packages
Figure 4-1 and Figure 4-2 shows the SN74CBTLV3245A-Q1 pin diagram for the TSSOP (20), VSSOP (20), and VQFN (20) packages. For a detailed description of the device pins please refer to the Pin Configuration and Functions section in the SN74CBTLV3245A-Q1 datasheet.
Figure 4-1 Pin Diagram (DGS, and PW Package 20-Pin VSSOP, and
TSSOP Packages)
Figure 4-2 Pin Diagram (RKS Package 20-Pin VQFN Package)Table 4-2 Pin FMA for Device Pins Short-Circuited to Ground
| Pin Name | Pin No. | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|
| NC | 1 | There is no effect to the device. The pin is not connected. | D |
| A1 | 2 | There is corruption of the signal passed on to the B1 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| A2 | 3 | There is corruption of the signal passed on to the B2 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| A3 | 4 | There is corruption of the signal passed on to the B3 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| A4 | 5 | There is corruption of the signal passed on to the B4 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| A5 | 6 | There is corruption of the signal passed on to the B5 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| A6 | 7 | There is corruption of the signal passed on to the B6 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| A7 | 8 | There is corruption of the signal passed on to the B7 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| A8 | 9 | There is corruption of the signal passed on to the B8 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| GND | 10 | There is no effect to the device. The device operates normally. | D |
| B8 | 11 | There is corruption of the signal passed on to the A8 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| B7 | 12 | There is corruption of the signal passed on to the A7 pins. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| B6 | 13 | There is corruption of the signal passed on to the A6 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| B5 | 14 | There is corruption of the signal passed on to the A5 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| B4 | 15 | There is corruption of the signal passed on to the A4 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | B |
| B3 | 16 | There is corruption of the signal passed on to the A3 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| B2 | 17 | There is corruption of the signal passed on to the A2 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| B1 | 18 | There is corruption of the signal passed on to the A1 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| /OE | 19 | The /OE pin is stuck low. The pin can no longer disable the device without powering down. | B |
| VCC | 20 | The device is not powered. The device not functional. Observe that the absolute maximum ratings for all pins of the device are met; otherwise, damage to the device is possible. | A |
Table 4-3 Pin FMA for Device Pins Open-Circuited
| Pin Name | Pin No. | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|
| NC | 1 | There is no effect to the device. The pin is not connected. | D |
| A1 | 2 | There is corruption of the signal passed on to the B pin. | B |
| A2 | 3 | There is corruption of the signal passed on to the B pin. | B |
| A3 | 4 | There is corruption of the signal passed on to the B pin. | B |
| A4 | 5 | There is corruption of the signal passed on to the B pin. | B |
| A5 | 6 | There is corruption of the signal passed on to the B pin. | B |
| A6 | 7 | There is corruption of the signal passed on to the B pin. | B |
| A7 | 8 | There is corruption of the signal passed on to the B pin. | B |
| A8 | 9 | There is corruption of the signal passed on to the B pin. | B |
| GND | 10 | 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 possible. | A |
| B8 | 11 | There is corruption of the signal passed on to the A pin. | B |
| B7 | 12 | There is corruption of the signal passed on to the A pin. | B |
| B6 | 13 | There is corruption of the signal passed on to the A pin. | B |
| B5 | 14 | There is corruption of the signal passed on to the A pin. | B |
| B4 | 15 | There is corruption of the signal passed on to the A pin. | B |
| B3 | 16 | There is corruption of the signal passed on to the A pin. | B |
| B2 | 17 | There is corruption of the signal passed on to the A pin. | B |
| B1 | 18 | There is corruption of the signal passed on to the A pin. | B |
| /OE | 19 | Control of the /OE pin is lost. The pin cannot disable switch. The pin defaults to switches disabled. | B |
| VCC | 20 | The device is not powered. The device is not functional. | B |
Table 4-4 Pin FMA for Device Pins Short-Circuited to Adjacent Pin
| Pin Name | Pin No. | Shorted to | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|---|
| NC | 1 | A1 | The no connect pin is electrically floating. There is no effect to the device. | D |
| A1 | 2 | A2 | Corruption of the signal passed on to the B1 pin is possible. | B |
| A2 | 3 | A3 | Corruption of the signal passed on to the B2 pin is possible. | B |
| A3 | 4 | A4 | Corruption of the signal passed on to the B3 pin is possible. | B |
| A4 | 5 | A5 | Corruption of the signal passed on to the B4 pin is possible. | B |
| A5 | 6 | A6 | Corruption of the signal passed on to the B5 pin is possible. | B |
| A6 | 7 | A7 | Corruption of the signal passed on to the B6 pin is possible. | B |
| A7 | 8 | A8 | Corruption of the signal passed on to the B7 pin is possible. | B |
| A8 | 9 | GND | There is corruption of the signal passed on to the B8 pin. If there is no limiting resistor in the switch path, damage to the device is possible. | A |
| GND | 10 | B8 | This pin is not considered. This is a corner pin. | D |
| B8 | 11 | B7 | Corruption of the signal passed on to the A8 pin is possible. | B |
| B7 | 12 | B6 | Corruption of the signal passed on to the A7 pin is possible. | B |
| B6 | 13 | B5 | Corruption of the signal passed on to the A6 pin is possible. | B |
| B5 | 14 | B4 | Corruption of the signal passed on to the A5 pin is possible. | B |
| B4 | 15 | B3 | Corruption of the signal passed on to the A4 pin is possible. | B |
| B3 | 16 | B2 | Corruption of the signal passed on to the A3 pin is possible. | B |
| B2 | 17 | B1 | Corruption of the signal passed on to the A2 pin is possible. | B |
| B1 | 18 | /OE | Corruption of the signal passed on to the A1 pin is possible. The switch state is undefined. | A |
| /OE | 19 | VCC | The /OE pin is stuck high. The pin can no longer enable the device. | B |
| VCC | 20 | NC | The no connect pin is electrically floating. There is no effect to the device. | D |
Table 4-5 Pin FMA for Device Pins Short-Circuited to VDD
| Pin Name | Pin No. | Description of Potential Failure Effects | Failure Effect Class |
|---|---|---|---|
| NC | 1 | There is no effect to the device. This pin is not connected. | D |
| A1 | 2 | There is corruption of the signal passed on to the B1 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| A2 | 3 | There is corruption of the signal passed on to the B2 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| A3 | 4 | There is corruption of the signal passed on to the B3 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| A4 | 5 | There is corruption of the signal passed on to the B4 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| A5 | 6 | There is corruption of the signal passed on to the B5 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| A6 | 7 | There is corruption of the signal passed on to the B6 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| A7 | 8 | There is corruption of the signal passed on to the B7 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| A8 | 9 | There is corruption of the signal passed on to the B8 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| GND | 10 | 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 possible. | A |
| B8 | 11 | There is corruption of the signal passed on to the A8 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| B7 | 12 | There is corruption of the signal passed on to the A7 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| B6 | 13 | There is corruption of the signal passed on to the A6 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| B5 | 14 | There is corruption of the signal passed on to the A5 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| B4 | 15 | There is corruption of the signal passed on to the A4 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| B3 | 16 | There is corruption of the signal passed on to the A3 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| B2 | 17 | There is corruption of the signal passed on to the A2 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| B1 | 18 | There is corruption of the signal passed on to the A1 pin. If there is no limiting resistor in the switch path, then damage to the device is possible. | A |
| /OE | 19 | The /EN pin is stuck high. The pin can no longer enable the device. | B |
| VCC | 20 | There is no effect to the device. The device operates normally. | D |