DS26C32ATM National Semiconductor, DS26C32ATM Datasheet

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DS26C32ATM

Manufacturer Part Number
DS26C32ATM
Description
IC, RS-422/RS-423 LINE RX, 5.5V, NSOIC16
Manufacturer
National Semiconductor
Datasheet

Specifications of DS26C32ATM

Device Type
Differential Line Receiver
Ic Interface Type
RS422, RS423
No. Of Drivers
4
Supply Voltage Range
4.5V To 5.5V
Driver Case Style
SOIC
No. Of Pins
16
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 2004 National Semiconductor Corporation
DS26C32AT/DS26C32AM
Quad Differential Line Receiver
General Description
The DS26C32A is a quad differential line receiver designed
to meet the RS-422, RS-423, and Federal Standards 1020
and 1030 for balanced and unbalanced digital data transmis-
sion, while retaining the low power characteristics of CMOS.
The DS26C32A has an input sensitivity of 200 mV over the
common mode input voltage range of
features internal pull-up and pull-down resistors which pre-
vent output oscillation on unused channels.
The DS26C32A provides an enable and disable function
common to all four receivers, and features TRI-STATE
outputs with 6 mA source and sink capability. This product is
pin compatible with the DS26LS32A and the AM26LS32.
Logic Diagram
Connection Diagrams
Order Number DS26C32AME/883, DS26C32AMJ/883 or
TRI-STATE
For Complete Military Product Specifications,
Order Number DS26C32ATM or DS26C32ATN
®
is a registered trademark of National Semiconductor Corporation.
See NS Package E20A, J16A or W16A
refer to the appropriate SMD or MDS.
See NS Package M16A or N16E
Dual-In-Line Package
DS26C32AMW/883
Top View
±
7V. The DS26C32A
DS008764
00876402
®
Features
n CMOS design for low power
n
n Typical propagation delays: 19 ns
n Typical input hysteresis: 60 mV
n Inputs won’t load line when V
n Meets the requirements of EIA standard RS-422
n TRI-STATE outputs for connection to system buses
n Available in Surface Mount
n Mil-Std-883C compliant
range
±
0.2V sensitivity over input common mode voltage
20-Lead Ceramic Leadless Chip Carrier
00876401
CC
= 0V
00876412
www.national.com
June 1998

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DS26C32ATM Summary of contents

Page 1

... This product is pin compatible with the DS26LS32A and the AM26LS32. Logic Diagram Connection Diagrams Dual-In-Line Package Top View Order Number DS26C32ATM or DS26C32ATN See NS Package M16A or N16E For Complete Military Product Specifications, refer to the appropriate SMD or MDS. Order Number DS26C32AME/883, DS26C32AMJ/883 or DS26C32AMW/883 ...

Page 2

... Absolute Maximum Ratings 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( Common Mode Range ( Differential Input Voltage (V ) DIFF Enable Input Voltage ( Storage Temperature Range (T STG Lead Temperature (Soldering 4 sec.) Maximum Power Dissipation at 25˚ ...

Page 3

AC Electrical Characteristics ± 10% (Note 3) CC Symbol Parameter t , Output Rise and RISE t Fall Times FALL t , Propagation Delay PLZ t ENABLE to Output PHZ t , Propagation Delay PZL t ENABLE ...

Page 4

Test and Switching Waveforms C includes load and test jig capacitance for t , and t measurements PZL PLZ S = Gnd for t and t measurements. 1 PZH PHZ FIGURE 3. TRI-STATE AC ...

Page 5

AC Test Circuit and Switching Time Waveforms FIGURE 5. Propagation Delay for “LS-Type” Load (Notes 7, 9) FIGURE 6. Enable and Disable Times for “LS-Type” Load (Notes 8, 9) Note 7: Diagram shown for ENABLE low. Note 8: S1 and ...

Page 6

Typical Performance Characteristics Differential Propagation Delay vs Temperature Differential Skew vs Temperature Output High Voltage vs Output High Current www.national.com Differential Propagation Delay 00876413 00876415 00876417 6 vs Power Supply Voltage 00876414 Differential Skew vs Power Supply Voltage 00876416 Output ...

Page 7

Typical Performance Characteristics Output Low Voltage vs Output Low Current Input Resistance vs Input Voltage Hysteresis & Differential Transition Voltage vs Temperature (Continued) 00876419 00876421 00876423 7 Output Low Voltage vs Output Low Current 00876420 Input Current vs Power Supply ...

Page 8

Typical Performance Characteristics Supply Current vs Temperature Supply Current vs Data Rate www.national.com (Continued) 00876425 00876427 8 Disabled Supply Current vs Power Supply Voltage 00876426 ...

Page 9

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Ceramic Leadless Chip Carrier (E) Order Number DS26C32AME/883 NS Package Number E20A 16-Lead Ceramic Dual-In-Line Package (J) Order Number DS26C32AMJ/883 NS Package Number J16A 9 www.national.com ...

Page 10

... Physical Dimensions www.national.com inches (millimeters) unless otherwise noted (Continued) 16-Lead Molded Small Outline Package (M) Order Number DS26C32ATM NS Package Number M16A 16-Lead Molded Dual-In-Line Package (N) Order Number DS26C32ATN NS Package Number N16E 10 ...

Page 11

... 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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