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U74CB3Q3244 - 8-BIT FET BUS SWITCH

Datasheet Summary

Description

The U74CB3Q3244 is a high-bandwidth FET bus switch utilizing a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance.

Features

  • S.
  • Data and control inputs provide undershoot clamp diodes.
  • Operating voltage range of 2.3V to 3.6V.
  • Control inputs can be driven by TTL or 5V/3.3V CMOS outputs.
  • Low power consumption ICC: 0.7mA (Typ. ).
  • Data I/O support 0 to 5V signaling levels (0.8V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V).
  • IOFF supports live insertion, partial-power-down mode, back-drive protection.

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Datasheet Details

Part number U74CB3Q3244
Manufacturer UTC
File Size 223.74 KB
Description 8-BIT FET BUS SWITCH
Datasheet download datasheet U74CB3Q3244 Datasheet
Additional preview pages of the U74CB3Q3244 datasheet.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD U74CB3Q3244 Advance 8-BIT FET BUS SWITCH 2.5V/3.3V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH  DESCRIPTION The U74CB3Q3244 is a high-bandwidth FET bus switch utilizing a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance. The U74CB3Q3244 is organized as two 4-bit bus switches with separate output-enable ( OE1 or OE2 ) input, It can be used as two 4-bit bus switches or as one 8-bit bus switch. This device is fully specified for partial-power-down applications using IOFF. The IOFF circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.  FEATURES * Data and control inputs provide undershoot clamp diodes * Operating voltage range of 2.3V to 3.
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