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The Fairchild Switch FSTD16244 provides 16-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.
The device is organized as a 16-bit switch. There are four 4-bit switches with separate output enable inputs. When OE is LOW, the switch in ON and Port A is connected to Port B. When OE is HIGH, the switch OFF and a high impedance state exists between the A and B Ports.
FSTD16244 Maximum Ratings
Supply Voltage (VCC) -0.5V to +7.0V DC Switch Voltage (VS) (Note 2) -0.5V to +7.0V DC Input Voltage (VIN) (Note 3) -0.5V to +7.0V DC Input Diode Current (lIK ) VIN <0V -50mA DC Output (IOUT) Current 128mA DC VCC /GND Current (ICC/IGND) ±100mA Storage Temperature Range (TSTG) -65 to+150
FSTD16244 Features
*4switch connection between two ports. *Minimal propagation delay through the switch. *Low lCC. *Zero bounce in flow-through mode. *Control inputs compatible with TTL level. *TruTranslation(TM) voltage translation from 5.0V inputs to 3.3V outputs