General Description

The Fairchild Switch FSTUD16211 provides 24-bits of high-speed CMOS TTL-compatible bus switching. The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. A diode to VCC has been integrated into the circuit to allow for level shifting between 5V inputs and 3.3V outputs.

Features

■ Undershoot hardened to −2V (A and B Ports)

■ Voltage level shifting

■ 4Ω switch connection between two ports

■ Minimal propagation delay through the switch

■ Low lCC

■ Zero bounce in flow-through mode

■ Control inputs compatible with TTL level

■ See Applications Note AN-5008 for details

■ Also packaged in plastic Fine-Pitch Ball Grid Array (FBGA) (Preliminary)