Features: ` Undershoot hardened to −2V (A and B Ports)` 4 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 Application Note AN-5008 for detailsPinoutSpecificationsSupply...
FSTU16861: Features: ` Undershoot hardened to −2V (A and B Ports)` 4 switch connection between two ports` Minimal propagation delay through the switch` Low lCC` Zero bounce in flow-through mode` Control ...
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Features: ` Undershoot hardened to −2V (A and B Ports)` Slower output enable times to preven...
The Fairchild Switch FSTU16861 provides 20-Bits of highspeed 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.
The FSTU16861 is organized as a 10-bit or 20-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 OEX is HIGH, a high impedance state exists between the A and B Ports. The A and B Ports of FSTU16861 are protected against undershoot to support an extended range to 2.0V below ground. Fairchild's integrated Undershoot Hardened Circuit (UHCTM) senses undershoot at the I/O and responds by preventing voltage differentials from developing and turning the switch on. When OE is HIGH,
the switch is OPEN and a high-impedance state exists between the two ports.