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74LCX16500 - Low Voltage 18-Bit Universal Bus Transceivers

Description

These 18-bit universal bus transceivers combine D-type latches and D-type flip-flops to allow data flow in transparent, latched, and clocked modes.

Data flow in each direction is controlled by output-enable (OEAB and OEBA), latch-enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs.

Features

  • s 5V tolerant inputs and outputs s 2.3V.
  • 3.6V VCC specifications provided s 6.0 ns tPD max (VCC = 3.3V), 20 µA ICC max s Power down high impedance inputs and outputs s Supports live insertion/withdrawal (Note 1) s ±24 mA output drive (VCC = 3.0V) s Implements patented noise/EMI reduction circuitry s Latch-up performance exceeds 500 mA s ESD performance: Human body model > 2000V Machine model > 200V Note 1: To ensure the high-impedance state during power up or down, OE should be tied to VC.

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Full PDF Text Transcription

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74LCX16500 Low Voltage 18-Bit Universal Bus Transceivers with 5V Tolerant Inputs and Outputs March 1995 Revised April 1999 74LCX16500 Low Voltage 18-Bit Universal Bus Transceivers with 5V Tolerant Inputs and Outputs General Description These 18-bit universal bus transceivers combine D-type latches and D-type flip-flops to allow data flow in transparent, latched, and clocked modes. Data flow in each direction is controlled by output-enable (OEAB and OEBA), latch-enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs. The LCX16500 is designed for low voltage (2.5V or 3.3V) VCC applications with the capability of interfacing to a 5V signal environment. The LCX16500 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining CMOS low power.
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