Toshiba provides bus switching for data transfer

Devices in the TC7MBL/WBL/SBLxxxxC family will suit a variety of designs requiring high-speed bus switching and isolation, including mobile phones, digital cameras, consumer electronics equipment and flat-panel displays.

Following the demand to lower capacitive and resistive circuit components to support increased signal speeds, the TC7MBL/WBL/SBLxxxxC series has been fabricated using a process that ensures a reduced I/O terminal capacitance (CI/O).

The reduced capacitance results in short transition times.

For the TC7MBL3245C, for example, a typical capacitance as low as 5pF, is 75 per cent lower than the typical CI/O ON-capacitance of previous switches.

Typical ON resistance with a 3V input voltage is 6.5ohms and the maximum quiescent supply current is 10uA.

The series does not require a direction control signal to support bidirectional data transfer.

The range offers SPST, SPDT and SP4T switch configurations.

SPST versions are available in single-, two-, four- and eight-bit options, while SPDT and SP4T configurations are supplied as four- and two-bit respectively.

The switches come with an output enable (OE) pin to completely isolate A and B sides.

For SPDT and SP4T configurations, each switch is equipped with additional select pins for input/output configuration.

Depending on the device chosen, this switch series comes in a variety of package options, ranging from SOT-353 size to TSSOP and VSSOP, and Toshiba's VQON package.