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 de...
FSTUD16211: 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 ...
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Features: ` Undershoot hardened to −2V (A and B Ports)` Slower output enable times to preven...
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 of FSTUD16211 has been integrated into the circuit to allow for level shifting between 5V inputs and 3.3V outputs.
The FSTUD16211 is organized as a 12-bit or 24-bit bus switch. When OE1 is LOW, the switch is ON and Port 1A is connected to Port 1B. When OE2 is LOW, Port 2A is connected to Port 2B. When OE1/2 is HIGH, a high impedance state exists between the A and B Ports. The A and B Ports of FSTUD16211 have "undershoot hardened" circuit protection to support an extended range to 2.0V below ground. Fairchild's integrated Undershoot Hardened Circuit (UHC) senses undershoot at the I/O's, and responds by preventing voltage differentials from developing and turning on the switch.