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DM7838 - quad TRI-STATE transceivers

General Description

~

Key Features

  • The DM7838/DM8838 are quad high speed drivers!' receivers designed for use in bus organized datatransmission systems interconnected by termi.
  • nated 120n Impedance lines. The external termi.
  • nation is intended to be a 180n resistor from the bus to the +5V logic supply together with a 390n resistor from the bus to ground. The bus can be terminated at one or both ends. Low bus pin cur.
  • rent allows up to 27 driver/receiver pairs to utilize a common bus. The bus loading is unchanged whe.

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Other Datasheets by National Semiconductor (now Texas Instruments)

Part Number Description
DM7830 dual differential line driver
DM7831 Line Driver
DM7832 Line Driver
DM7833 quad TRI-STATE transceivers
DM7834 quad TRI-STATE transceivers
DM7835 quad TRI-STATE transceivers
DM7836 quad NOR unified bus receiver
DM7837 hex unified bus receiver
DM7800 Dual Voltage Translator
DM7802 high speed MOS to TTL level converters

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Line Drivers IReceivers DM7838/DM8838 quad unified"bus transceiver general description ~·features The DM7838/DM8838 are quad high speed drivers!' receivers designed for use in bus organized datatransmission systems interconnected by termi· nated 120n Impedance lines. The external termi· nation is intended to be a 180n resistor from the bus to the +5V logic supply together with a 390n resistor from the bus to ground. The bus can be terminated at one or both ends. Low bus pin cur· rent allows up to 27 driver/receiver pairs to utilize a common bus. The bus loading is unchanged when Vee = OV. The receivers Incorporate hystere· SIS to greatly enhance bus nOise immunity. One two·lnput NOR gate is included tq disable all drivers In a package simultaneously.