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The Fairchild Switch FST3245 provides 8-bits of highspeed CMOS TTL-compatible bus switching in a standard '245 pin-out. 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 device is organized as an 8-bit switch. When OE is LOW, the switch is ON and Port A is connected to Port B.When OE is HIGH, the switch is OPEN and a high-impedance state exists between the two ports.
FST3245 Maximum Ratings
Supply Voltage (VCC) ..............................................-0.5V to +7.0V DC Switch Voltage (VS) ...........................................-0.5V to +7.0V DC Input Voltage (VIN) (Note 2) .............................-0.5V to +7.0V DC Input Diode Current (lIK) VIN < 0V ................................-50mA DC Output (IOUT) Sink Current ..........................................128mA DC VCC/GND Current (ICC/IGND) ...................................+/- 100mA Storage Temperature Range (TSTG) ................-65°C to +150 °C
FST3245 Features
`4 switch connection between two ports. `n Minimal propagation delay through the switch. `Low lCC. `Zero bounce in flow-through mode. `Control inputs compatible with TTL level.