DS34C87TN National Semiconductor, DS34C87TN Datasheet

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DS34C87TN

Manufacturer Part Number
DS34C87TN
Description
CMOS Quad TRI-STATE Differential Line Driver
Manufacturer
National Semiconductor
Datasheet

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© 2004 National Semiconductor Corporation
DS3487
Quad TRI-STATE
General Description
National’s quad RS-422 driver features four independent
drivers which comply with EIA Standards for the electrical
characteristics of balanced voltage digital interface circuits.
The outputs are TRI-STATE structures which are forced to a
high impedance state when the appropriate output control
pin reaches a logic zero condition. All input pins are PNP
buffered to minimize input loading for either logic one or logic
zero inputs.
Block and Connection Diagrams
Truth Table
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
L = Low logic state
H = High logic state
X = Irrelevant
Z = TRI-STATE(high impedance)
Input
H
X
L
®
Line Driver
DS005780
Control
Input
H
H
L
00578001
Non-Inverting
Features
n Four independent drivers
n TRI-STATE
n Fast propagation times (typ 10 ns)
n TTL compatible
n 5V supply
n Output rise and fall times less than 15 ns
n Pin compatible with DS8924 and MC3487
Output
H
Z
L
See NS Package Number M16A or N16E
Order Number DS3487M or DS3487N
®
outputs
Dual-In-Line Package
Inverting
Top View
Output
H
L
Z
www.national.com
00578002
May 1998

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DS34C87TN Summary of contents

Page 1

... Input Low logic state H = High logic state X = Irrelevant Z = TRI-STATE(high impedance) TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Line Driver Features n Four independent drivers n TRI-STATE ® n Fast propagation times (typ 10 ns) n TTL compatible n 5V supply n Output rise and fall times less than 15 ns ...

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 Input Voltage Storage Temperature Maximum Power Dissipation (Note 1) at 25˚C Molded DIP Package SO Package Lead Temperature Electrical Characteristics Symbol ...

Page 3

AC Test Circuits and Switching Time Waveforms ≤ 15 ns. Input pulse MHz, 50 and S2 closed except as noted. C includes probe and jig capacitance. L ≤ 15 ns. Input pulse: ...

Page 4

AC Test Circuits and Switching Time Waveforms ≤ 15 ns. Input pulse MHz, 50 www.national.com FIGURE 3. Differential Rise and Fall Times 4 (Continued) 00578007 00578008 ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted Small Outline Package (M) Order Number DS3487M NS Package Number M16A Molded Dual-In-Line Package (N) Order Number DS3487N NS Package Number N16E 5 www.national.com ...

Page 6

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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