DS36149N NSC [National Semiconductor], DS36149N Datasheet

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DS36149N

Manufacturer Part Number
DS36149N
Description
Hex MOS Drivers
Manufacturer
NSC [National Semiconductor]
Datasheet

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Part Number:
DS36149N
Manufacturer:
NS/国半
Quantity:
20 000
C 1995 National Semiconductor Corporation
DS16149 DS36149 DS16179 DS36179 Hex MOS Drivers
General Description
The DS16149 DS36149 and DS16179 DS36179 are Hex
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 memo-
ry systems The circuit has Schottky-clamped transistor log-
ic for minimum propagation delay and a disable control that
places the outputs in the logic ‘‘1’’ state (see truth table)
This is especially useful in MOS RAM applications where a
set of address lines has to be in the logic ‘’1’’ state during
refresh
The DS16149 DS36149 has a 15
the outputs to dampen transients caused by the fast-switch-
ing output The DS16179 DS36179 has a direct low imped-
ance output for use with or without an external resistor
Schematic Diagram
TL F 7553
resistor in series with
Features
Y
Y
Y
High speed capabilities
Built-in 15
Same pin-out as DM8096 and DM74366
Typ 9 ns driving 50 pF
Typ 29 ns driving 500 pF
damping resistor (DS16149 DS36149)
RRD-B30M105 Printed in U S A
February 1986
TL F 7553 – 1

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DS36149N Summary of contents

Page 1

DS16149 DS36149 DS16179 DS36179 Hex MOS Drivers General Description The DS16149 DS36149 and DS16179 DS36179 are Hex MOS drivers with outputs designed to drive large capacitive loads up to 500 pF associated with MOS memory systems PNP input transistors are ...

Page 2

Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage Logical ‘‘1’’ Input Voltage Logical ‘‘0’’ Input Voltage Storage Temperature Range b Maximum Power Dissipation at ...

Page 3

... Note 4 When measuring output drive current and switching response for the DS16179 and DS36179 a 15 This resistor is internal to the DS16149 DS36149 and need not be added Connection Diagram Dual In-Line Package Top View Order Number DS16149J DS36149J DS16179J DS36179J DS36149N or DS36179N See NS Package Number J16A or N16A AC Test Circuits and Switching Time Waveforms ...

Page 4

AC Test Circuits and Switching Time Waveforms Internal on DS16149 and DS36149 Note 1 The pulse generator has the following characteristics Z Note 2 C includes probe and jig capacitance L Typical Applications (Continued) FIGURE 2 FIGURE 3 50 and ...

Page 5

Physical Dimensions inches (millimeters) Order Number DS16149J DS36149J Ceramic Dual-In-Line Package (J) DS16179J or DS36179J NS Package Number J16A 5 ...

Page 6

... Physical Dimensions inches (millimeters) (Continued) Order Number DS36149N DS36149N LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or ...

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