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 detailsPinoutSpecificationsS...
FSTU16245: 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.` Cont...
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Features: ` Undershoot hardened to −2V (A and B Ports)` Slower output enable times to preven...
Features: ` Undershoot protected to −2V (A and B Ports)` 25 switch connection between two po...
The Fairchild Switch FSTU16245 provides 16-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 FSTU16245 is organized as a 16-bit switch. There are two 8-bit switches with separate output enable inputs. When
OE is LOW, the switch is ON and Port a is connected to Port B. When OE is HIGH, the switch is OFF and a highimpedance state exists between the A and B Ports. The A and B Ports of FSTU16245 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.