Firstly, please select a general-purpose bus switch or a high-speed bus switch according to the communication speed and communication standard of the signal you want to switch. For general-purpose bus switches, you can select the appropriate series based on power supply voltage, circuit configuration (SPST, SPDT, SP4T, etc.), and number of circuits (number of channels). In the case of high-speed bus switches, the appropriate series can be selected based on communication speed, circuit configuration, and number of circuits (number of channels).
The selection steps are explained in (1) to (3).
(1) Based on Table-1, select a general-purpose bus switch or a high-speed bus switch according to the communication speed and communication standard of the signal you want to switch.
Major Category | Data Rate | Bus Standard Example |
---|---|---|
General purpose Bus Switches |
200 Mbps | - |
200 Mbps (Depends on usage environment) |
I2C | |
High Speed Bus Switches |
480 Mbps | USB 2.0 |
2.5 Gbps | PCIeTM Gen. 1.1 | |
3 Gbps | SATA 2.0 | |
3 Gbps | SAS 1.0 | |
3.4 Gbs | HDMI 1.4 | |
5 Gbps | USB 3.0 | |
5 Gbps | PCIeTM Gen. 2.0 | |
5.4 Gbps | DisplayportTM 1.2 |
|
6 Gbps | SATA 3.0 | |
6 Gbps | SAS 2.0 | |
8 Gbps | PCIeTM Gen.3.0 | |
10 Gbps | USB 3.1 |
(2) In case of general purpose bus switches
First, select a single power supply (low voltage, 5 V system) or a dual power supply level shift type for voltage conversion (level shift).
After that, you can select the bus switch that suits your application by selecting the switch configuration (SPST, SPDT, etc.), supply voltage, and number of bits.
Category | VCC (V) | Circuit Configuration |
Number of Circuits(Channels) | Series | |
---|---|---|---|---|---|
Low Voltage | 1.65~3.6 | SPST | 1 | TC7SBL Series | |
2 | TC7WBL Series | ||||
4 | TC7MBL Series | ||||
SPDT | 4 | TC7MBL Series | |||
SP4T | 2 | TC7MBL Series | |||
5 V | 1.65~5.5 | SPST | 1 | TC7SB Series | |
2 | TC7WB Series | ||||
SPDT | 1 | TC7SB Series | |||
Dual Supply level shifting |
VCCA |
VCCB 2.3~5.5 |
SPST | 1 | TC7SPB Series |
2 | TC7WPB Series | ||||
4 | TC7QPB Series | ||||
8 | TC7MPB Series | ||||
SPDT | 2 | TC7MPB Series |
(3) How to select High speed bus switch
You can select a bus switch suitable for your application based on communication speed, communication standard, circuit configuration, and number of circuits.
SPDTs that switch signals are mainly used.
Data Rate | Bus Standard Example | Circuit Configuration |
Number of Circuits |
Product Series |
---|---|---|---|---|
480 Mbps | USB 2.0 | SPDT | 2 | TC7USB Series |
2.5 Gbps | PCIeTM Gen. 1.1 | |||
3 Gbps | SATA 2.0 | |||
3 Gbps | SAS 1.0 | |||
3.4 Gbs | HDMI 1.4 | |||
5 Gbps | USB 3.0 | SPDT | 2 | TC7PCI Series |
5 Gbps | PCIeTM Gen. 2.0 | |||
5.4 Gbps | DisplayportTM 1.2 |
|||
6 Gbps | SATA 3.0 | |||
6 Gbps | SAS 2.0 | |||
8 Gbps | PCIeTM Gen.3.0 | |||
10 Gbps | USB 3.1 |
The following documents also contain related information.