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DS3645A, DS3645AM, DS3648

Table of contents:
Info of DS3645A
Info of DS3645AM
Info of DS3648

DS3645A, DS3645AM, DS3648 Selling Leads, Datasheet

MFG:NSC Package Cooled:38 D/C:2005

DS3645A, DS3645AM, DS3648 Datasheet download

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Part Number: DS3645A

MFG: NSC

Package Cooled: 38

D/C: 2005

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DS3648 General Description

drivethe large capacitive loads (up to 500 pF) associated withMOS memory systems. A PNP input structure is employedto minimize input currents so that driver loading in largememory systems is reduced. The circuit employs Schottky-clamped transistors for high speed and TRI-STATE outputsfor bus operation.The DS1648/DS3648 has a 15X resistor in series with theoutputs to dampen transients caused by the fast-switching output. The DS1678/DS3678 has a direct, low impedanceoutput for use with or without an external resistor.

DS3648 Maximum Ratings

If Military/Aerospace specified devices are required
please contact the National Semiconductor Sale
Office/Distributors for availability and specifications.
Supply Voltage.................................................... 7V
Logical ''1'' Input Voltage ...........................7V
Logical ''0'' Input Voltage b......................1.5V
Storage Temperature Range b..........65to a150
Maximum Power Dissipation* at .......................25
Cavity Package .........................................1433 mW
Molded Package .........................................1362 mW
Lead Temperature
(Soldering, 10 seconds) ..................................300
* Derate cavity package ..........................9.6 mW/
above ............................25; derate molded packag
10.9 mW/ above ...............................................25.

DS3648 Features

TRI-STATE outputs interface directly with system-bus
Schottky-clamped for better ac performance
PNP inputs to minimize input loading
TTL compatible
High-speed capacitive load drivers
Built-in damping resistor (DS1648/DS3648 only)

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