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PDF DS14C238 Data sheet ( Hoja de datos )

Número de pieza DS14C238
Descripción Single Supply TIA/EIA-232 4 x 4 Driver/Receiver
Fabricantes National 
Logotipo National Logotipo



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No Preview Available ! DS14C238 Hoja de datos, Descripción, Manual

May 1999
DS14C238
Single Supply TIA/EIA-232 4 x 4 Driver/Receiver
General Description
The DS14C238 is a four driver, four receiver device which
conforms to the TIA/EIA-232-E standard and CCITT V.28
recommendations. This device eliminates ±12V supplies by
employing an internal DC-DC converter to generate the nec-
essary output levels from a single +5V supply. Driver slew
rate control and receiver noise filtering have also been inter-
nalized to eliminate the need for external slew rate control
and noise filtering capacitors.
Features
n Conforms to TIA/EIA-232-E and CCITT V.28
n Internal DC-DC converter
n Operates with single +5V supply
n Low power requirement — ICC 10 mA max
n Internal driver slew rate control
n Receiver noise filtering
n Operates above 120 kbits/sec
n Direct replacement for MAX238
Connection Diagram
Functional Diagram
DS011282-1
Order Number DS14C238WM
See NS Package Number M24B
© 1999 National Semiconductor Corporation DS011282
DS011282-2
www.national.com

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DS14C238 pdf
Physical Dimensions inches (millimeters) unless otherwise noted
Order Number DS14C238WM
NS Package Number M24B
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 AND GENERAL
COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and
whose failure to perform when properly used in
accordance with instructions for use provided in the
labeling, can be reasonably expected to result in a
significant injury to the user.
2. A critical component is any component of a life
support device or system whose failure to perform
can be reasonably expected to cause the failure of
the life support device or system, or to affect its
safety or effectiveness.
National Semiconductor
Corporation
Americas
Tel: 1-800-272-9959
Fax: 1-800-737-7018
www.national.com
National Semiconductor
Europe
Fax: +49 (0) 1 80-530 85 86
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Français Tel: +49 (0) 1 80-532 93 58
Italiano Tel: +49 (0) 1 80-534 16 80
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Response Group
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Fax: 65-2504466
National Semiconductor
Japan Ltd.
Tel: 81-3-5639-7560
Fax: 81-3-5639-7507
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.

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