ZHCSQ49A December 2022 – June 2024 TCAN3403-Q1 , TCAN3404-Q1
PRODUCTION DATA
The TCAN340x-Q1 logic I/Os support CMOS levels with respect to either VCC for 3.3V systems (TCAN3404-Q1) or VIO (TCAN3403-Q1) for compatibility with MCUs that support 1.8V, 2.5V, or 3.3V systems.
| Device Mode | TXD Input(1) | Bus Outputs | Driven Bus State(2) | |
|---|---|---|---|---|
| CANH | CANL | |||
| Normal | Low | High | Low | Dominant |
| High or open | High impedance | High impedance | Biased recessive | |
| Standby | X | High impedance | High impedance | Biased to ground |
| Shutdown | X | High impedance | High impedance | Biased to ground |
| Device Mode | CAN Differential Inputs VID = VCANH – VCANL | Bus State | RXD Pin |
|---|---|---|---|
| Normal | VID ≥ 0.9V | Dominant | Low |
| 0.5V < VID < 0.9V | Undefined | Undefined | |
|
VID ≤ 0.5V |
Recessive | High | |
| Standby | VID ≥ 1.15V | Dominant | High Low if a remote wake event occurred See Figure 8-5 |
| 0.4V < VID < 1.15V | Undefined | ||
| VID ≤ 0.4V | Recessive | ||
| Any | Open (VID ≈ 0V) | Open | High |