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DS1679 - Hex TRI-STATEE TTL to MOS Drivers

This page provides the datasheet information for the DS1679, a member of the DS1649 Hex TRI-STATEE TTL to MOS Drivers family.

Description

The DS1649 DS3649 and DS1679 DS3679 are Hex TRI-STATE MOS drivers with outputs designed to drive large capacitive loads up to 500 pF associated with MOS memory systems PNP input transistors are employed to reduce input currents allowing the large fan-out to these drivers needed in memory systems The

Features

  • Y Y Y Y High speed capabilities  Typ 9 ns driving 50 pF  Typ 30 ns driving 500 pF TRI-STATE outputs for data bussing Built-in 15X damping resistor (DS1649 DS3649) Same pin-out as DM8096 and DM74366 Schematic Diagram Truth Table Disable Input DIS 1 0 0 0 1 1 DIS 2 0 0 1 0 1 0 1 X X X 1 0 Hi-Z Hi-Z Hi-Z Input Output X e Don’t care Hi-Z e TRI-STATE mode DS1649 DS3649 only TL F 7515.
  • 1 Connection Diagram Dual-In-Line Package Typical.

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Datasheet preview – DS1679

Datasheet Details

Part number DS1679
Manufacturer National Semiconductor
File Size 140.37 KB
Description Hex TRI-STATEE TTL to MOS Drivers
Datasheet download datasheet DS1679 Datasheet
Additional preview pages of the DS1679 datasheet.

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Full PDF Text Transcription

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DS1649 DS3649 DS1679 DS3679 Hex TRI-STATE TTL to MOS Drivers March 1986 DS1649 DS3649 DS1679 DS3679 Hex TRI-STATE TTL to MOS Drivers General Description The DS1649 DS3649 and DS1679 DS3679 are Hex TRI-STATE MOS drivers with outputs designed to drive large capacitive loads up to 500 pF associated with MOS memory systems PNP input transistors are employed to reduce input currents allowing the large fan-out to these drivers needed in memory systems The circuit has Schottkyclamped transistor logic for minimum propagation delay and TRI-STATE outputs for bus operation The DS1649 DS3649 has a 15X resistor in series with the outputs to dampen transients caused by the fast-switching TRI-STATE is a registered trademark of National Semiconductor Corp output The DS1679 DS3679 has a direct low imped
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