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74VCX16839 - Low Voltage 20-Bit Selectable Register/Buffer

Datasheet Summary

Description

The VCX16839 contains twenty non-inverting selectable buffered or registered paths.

The device can be configured to operate in a registered, or flow through buffer mode by utilizing the register enable (REGE) and Clock (CP) signals.

The device operates in a 20-bit word wide mode.

Features

  • s Compatible with PC100 and PC133 DIMM module specifications s 1.65V.
  • 3.6V VCC supply operation s 3.6V tolerant inputs and outputs s tPD (CP to On) 3.2 ns max for 3.0V to 3.6V VCC 4.4 ns max for 2.3V to 2.7V VCC 8.8 ns max for 1.65V to 1.95V VCC s Power-off high impedance inputs and outputs s Supports live insertion and withdrawal (Note 1) s Static Drive (IOH/IOL) ±24 mA @ 3.0V VCC ±18 mA @ 2.3V VCC ±6 mA @ 1.65V VCC s Uses patented noise/EMI reduction circuitry s Latch-up performance exc.

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Datasheet Details

Part number 74VCX16839
Manufacturer Fairchild Semiconductor
File Size 86.42 KB
Description Low Voltage 20-Bit Selectable Register/Buffer
Datasheet download datasheet 74VCX16839 Datasheet
Additional preview pages of the 74VCX16839 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com 74VCX16839 Low Voltage 20-Bit Selectable Register/Buffer with 3.6V Tolerant Inputs and Outputs July 1997 Revised April 1999 74VCX16839 Low Voltage 20-Bit Selectable Register/Buffer with 3.6V Tolerant Inputs and Outputs General Description The VCX16839 contains twenty non-inverting selectable buffered or registered paths. The device can be configured to operate in a registered, or flow through buffer mode by utilizing the register enable (REGE) and Clock (CP) signals. The device operates in a 20-bit word wide mode. All outputs can be placed into 3-STATE through use of the OE pin. These devices are ideally suited for buffered or registered 168 pin and 200 pin SDRAM DIMM memory modules. The 74VCX16839 is designed for low voltage (1.65V to 3.
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