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DS3679 - Hex TRI-STATEE TTL to MOS Drivers

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.

Datasheet Details

Part number	DS3679
Manufacturer	National Semiconductor
File Size	140.37 KB
Description	Hex TRI-STATEE TTL to MOS Drivers
Datasheet	DS3679 Datasheet
Additional preview pages of the DS3679 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

Published: Mar 30, 2005 |