DS3691MX National Semiconductor, DS3691MX Datasheet

DS3691MX

Manufacturer Part Number

DS3691MX

Description

Manufacturer

National Semiconductor

Datasheet

1.DS3691MX.pdf (10 pages)

Specifications of DS3691MX

Interface Circuit Standard 1

RS-422

Number Of Receivers

Not Required

Number Of Transmitters

2@RS-422/4@RS-423

Number Of Transceivers

Not Required

Data Transmission Topology

Multidrop

Receiver Signal Type

Not Required

Single Supply Voltage (typ)

Not RequiredV

Single Supply Voltage (min)

Not RequiredV

Single Supply Voltage (max)

Not RequiredV

Dual Supply Voltage (typ)

±5V

Dual Supply Voltage (min)

±4.75V

Dual Supply Voltage (max)

±5.25V

Supply Current

30mA

Power Supply Requirement

Dual

Operating Temp Range

0C to 70C

Operating Temperature Classification

Commercial

Mounting

Surface Mount

Pin Count

Package Type

SOIC N

Lead Free Status / Rohs Status

Not Compliant

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DS1691A/DS3691

(RS-422/RS-423) Line Drivers with TRI-STATE

General Description

The DS1691A/DS3691 are low power Schottky TTL line

drivers designed to meet the requirements of EIA standards

RS-422 and RS-423. They feature 4 buffered outputs with

high source and sink current capability with internal short

circuit protection. A mode control input provides a choice of

operation either as 4 single-ended line drivers or 2 differen-

tial line drivers. A rise time control pin allows the use of an

external capacitor to slow the rise time for suppression of

near end crosstalk to other receivers in the cable. Rise time

capacitors are primarily intended for waveshaping output

signals in the single-ended driver mode. Multipoint applica-

tions in differential mode with waveshaping capacitors is not

allowed.

With the mode select pin low, the DS1691A/DS3691 are

dual-differential line drivers with TRI-STATE outputs. They

feature

mode and 0V output unbalance when operated with

supply.

Connection Diagrams

Ordering Information

TRI-STATE

is a registered trademark of National Semiconductor Corporation.

10V output common-mode range in TRI-STATE

Order Number

DS3691M

DS3691N

For Complete Military Product Specifications, refer to the appropriate SMD or MDS.

DS1691AJ/883

With Mode Select LOW

(RS-422 Connection)

Top View

DS005783

00578301

Package Type

Ceramic DIP

SO Package

Molded DIP

Features

n Dual RS-422 line driver with mode pin low, or quad

n TRI-STATE outputs in RS-422 mode

n Short circuit protection for both source and sink outputs

n Outputs will not clamp line with power off or in

n 100Ω transmission line drive capability

n Low I

n Low current PNP inputs compatible with TTL, MOS and

n Pin compatible with AM26LS30

RS-423 line driver with mode pin high

TRI-STATE

CMOS

RS-422: I

RS-423: I

and I

With Mode Select HIGH

(RS-423 Connection)

= 9 mA/driver typ

= 4.5 mA/driver typ:

power consumption

NS Package Number

Top View

= 2.5 mA/driver typ

M16A

N16E

J16A

Outputs

www.national.com

00578302

July 1998

Related parts for DS3691MX

DS3691MX Summary of contents

Page 1

... DS3691N For Complete Military Product Specifications, refer to the appropriate SMD or MDS. DS1691AJ/883 TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Features n Dual RS-422 line driver with mode pin low, or quad RS-423 line driver with mode pin high ...

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 Maximum Power Dissipation (Note 1) at 25˚C Cavity Package Molded DIP Package SO Package Input Voltage Output Voltage (Power OFF) Storage Temperature ...

Page 3

AC Electrical Characteristics T = 25˚C A Symbol Parameter RS-422 CONNECTION 5V, MODE SELECT = 0. Output Rise Time r t Output Fall Time f t Output Propagation Delay PDH t Output Propagation Delay PDL t ...

Page 4

AC Electrical Characteristics T = 25˚C A Symbol Parameter t Output Propagation Delay PDH t Output Propagation Delay PDL AC Test Circuits and Switching Time Waveforms www.national.com (Note 6) (Continued) Conditions R = 450Ω 500 pF ...

Page 5

AC Test Circuits and Switching Time Waveforms FIGURE 3. Rise Time Control for RS-423 00578309 FIGURE 4. TRI-STATE Delays 5 (Continued) 00578307 00578308 www.national.com 00578310 ...

Page 6

Switching Waveforms Truth Table Operation RS-422 RS-423 Typical Application Information www.national.com 00578311 FIGURE 5. Typical Output Voltage Inputs Mode A (D) B ( TRI-STATE ...

Page 7

Typical Application Information Differential Application with Rise Time Control *Note: Controlled edge allows longer stub lengths. Multiple Drivers are NOT allowed. (Continued) Fully Loaded RS-423 Interface Dual RS-423 Inverting Driver 7 00578315 00578316 00578317 www.national.com ...

Page 8

Typical Rise Time Control Characteristics (RS-423 Mode) www.national.com Rise Time vs External Capacitor 00578312 8 ...

Page 9

Physical Dimensions inches (millimeters) unless otherwise noted Ceramic Dual-In-Line Package (J) Order Number DS1691AJ/883 NS Package Number J16A SO Package (M) Order Number DS3691M NS Package Number M16A 9 www.national.com ...

Page 10

... 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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