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FSTU32X800

Features: ` 4 switch connection between two ports` Undershoot Hardened to -2.0V` Soft enable turn-on to minimize bus-to-bus charge sharing during enable` Low lCC` Zero bounce in flow-through mode` Output precharge to minimize live insertion noise` Control inputs compatible with TTL level` See Appl...

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SeekIC No. : 004344885 Detail

FSTU32X800: Features: ` 4 switch connection between two ports` Undershoot Hardened to -2.0V` Soft enable turn-on to minimize bus-to-bus charge sharing during enable` Low lCC` Zero bounce in flow-through mode` O...

FSTU32X800 Data Sheet

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Part Number:
FSTU32X800
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
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Product Details

Description



Features:

` 4 switch connection between two ports
` Undershoot Hardened to -2.0V
` Soft enable turn-on to minimize bus-to-bus charge sharing during enable
` Low lCC
` Zero bounce in flow-through mode
` Output precharge to minimize live insertion noise
` Control inputs compatible with TTL level
` See Applications Note AN-5008 for details


Pinout

Connection Diagram


Specifications

Supply Voltage (VCC)        ................−0.5V to +7.0V
DC Switch Voltage (VS)     ................−2.0V to +7.0V
Bias V Voltage Range        ................−0.5V to +7.0V
DC Input Voltage (VIN) (Note 2)   ............−0.5V to +7.0V
DC Input Diode Current (lIK) VIN< 0V.............. −50 mA
DC Output (IOUT) Sink Current     ................128 mA
DC VCC/GND Current (ICC/IGND)  ..............+/− 100 mA
Storage Temperature Range (TSTG) ..........−65 to +150


Description

The Fairchild Switch FSTU32X800 provides 20-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. The A and B Ports of FSTU32X800 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. The FSTU32X800 also precharges the B Port to a selectable bias voltage (BiasV) to minimize live insertion noise.

The FSTU32X800 is organized as two 10-bit switches with a bus enable (OEn) signal. When OEn is LOW, the switch is ONand Port A is connected to Port B. When OEn is HIGH, the switch is OPEN and the B Port is precharged to BiasV through an equivalent 10-k resistor.




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