DS26C32ATN National Semiconductor, DS26C32ATN Datasheet

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DS26C32ATN

Manufacturer Part Number
DS26C32ATN
Description
CMOS Quad Differential Line Receivers
Manufacturer
National Semiconductor
Datasheets

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© 1998 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
puts 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
±
DS008764-2
7V. The DS26C32A
DS008764
®
out-
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
DS008764-1
CC
= 0V
DS008764-12
www.national.com
June 1998

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DS26C32ATN Summary of contents

Page 1

... DS26LS32A and the AM26LS32. Logic Diagram Connection Diagrams Dual-In-Line Package DS008764-2 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 See NS Package E20A, J16A or W16A TRI-STATE ® ...

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 ( 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˚C (Note 5) Ceramic “ ...

Page 3

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

Page 4

Test and Switching Waveforms C includes load and test jig capacitance for t , and t measurements PZL PLZ = Gnd for t S and t measurements. 1 PZH PHZ FIGURE 2. Test Circuit ...

Page 5

AC Test Circuit and Switching Time Waveforms FIGURE 6. Enable and Disable Times for “LS-Type” Load (Notes 8, 9) Note 7: Diagram shown for ENABLE low. Note 8: S1 and S2 of load circuit are closed except where shown. Note ...

Page 6

Typical Performance Characteristics Differential Skew vs Power Supply Voltage DS008764-16 Output Low Voltage vs Output Low Current DS008764-19 Input Current vs Power Supply Voltage DS008764-22 www.national.com (Continued) Output High Voltage vs Output High Current DS008764-17 Output Low Voltage vs Output ...

Page 7

Typical Performance Characteristics Supply Current vs Temperature DS008764-25 (Continued) Disabled Supply Current vs Power Supply Voltage DS008764-26 7 Supply Current vs Data Rate DS008764-27 www.national.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted www.national.com 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 8 ...

Page 9

... Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 16-Lead Molded Small Outline Package (M) 16-Lead Molded Dual-In-Line Package (N) Order Number DS26C32ATM NS Package Number M16A Order Number DS26C32ATN NS Package Number N16E 9 www.national.com ...

Page 10

... National Semiconductor Asia Pacific Customer Fax: +49 (0) 1 80-530 85 86 Response Group Email: europe.support@nsc.com Tel: 65-2544466 Fax: 65-2504466 Tel: +49 (0) 1 80-532 78 32 Email: sea.support@nsc.com Tel: +49 (0) 1 80-534 16 80 National Semiconductor Japan Ltd. Tel: 81-3-5639-7560 Fax: 81-3-5639-7507 ...

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