IDT74FST163233

NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.  Exposure to absolute maximum rating condiitions for extended periods may affect reliability.
2. VCC, Control and Switch terminals.

    The FST163233 belongs to IDT's family of Bus switches. Bus switch devices perform the function of connecting or isolating two ports without providing any inherent current sink or source capability.  Thus they generate little or no noise of their own while providing a low resistance path for an external driver.  These devices connect input and output ports through an n-channel FET.  When the gate-to-source junction of this FET is adequately forward-biased the device conducts and the resistance between input and output ports is small.  Without adequate bias on the gate to-source junction of the FET,the FET is turned off, therefore with no VCC applied, the device has hot insertion capability.

    The low on-resistance and simplicity of the connection between input and output ports reduces the delay in IDT74FST163233 path to close to zero.

    The FST163233 provides three 16-bit TTL-compatible ports that support 2:1 multiplexing.  The SEL_0,1 and TEST_0,1 pins provide switch enable and mux select control as shown below.

    The A port can be connected to port 1B or port 2B or both ports 1B and 2B.