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PDF DS9627 Data sheet ( Hoja de datos )
| Número de pieza | DS9627 | |
| Descripción | Dual Line Receiver | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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February 1996
DS9627
Dual Line Receiver
General Description
The DS9627 is a dual-line receiver which meets the electri-
cal interface specifications of EIA RS-232C and
MIL-STD-188C. The input circuitry accommodates ±25V in-
put signals and the differential inputs allow user selection of
either inverting or non-inverting logic for the receiver opera-
tion. The DS9627 provides both a selectable hysteresis
range and selectable receiver input resistance. When pin 1
is tied to V−, the typical switching points are at 2.6V and
−2.6V, thus meeting RS-232-C requirements. When pin 1 is
open, the typical switching points are at 50 µA and −50 µA,
thus satisfying the requirements of MIL-STD-188C LOW
level interface. Connecting the RA and/or RB pins to the (−)
input yields an input impedance in the range of 3 kΩ to 7 kΩ
and satisfies RS-232-C requirements; leaving RA and/or RB
pins unconnected, the input resistance will be greater than
6 kΩ to satisfy MIL-STD-188C.
The output circuitry is TTL/DTL compatible and will allow
“collector-dotting” to generate the wired-OR function. A TTL/
DTL strobe is also provided for each receiver.
Features
n EIA RS-232-C input standards
n MIL-STD-188C input standards
n Variable hysteresis control
n High common mode rejection
n R control (5 kΩ or 10 kΩ)
n Wired-OR capability
n Choice of inverting and non-inverting inputs
n Outputs and strobe TTL compatible
Connection Diagram
16-Lead DIP
DS009761-1
Top View
Order Number DS9627MJ/883
See NS Package Number J16A
For Complete Military 883 Specifications, see RETS Data Sheet.
© 1999 National Semiconductor Corporation DS009761
www.national.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted
Ceramic Dual-In-Line Package
Order Number DS9627MJ/883
NS Package Number J16A
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
Email: [email protected]
www.national.com
National Semiconductor
Europe
Fax: +49 (0) 1 80-530 85 86
Email: [email protected]
Deutsch Tel: +49 (0) 1 80-530 85 85
English Tel: +49 (0) 1 80-532 78 32
Français Tel: +49 (0) 1 80-532 93 58
Italiano Tel: +49 (0) 1 80-534 16 80
National Semiconductor
Asia Pacific Customer
Response Group
Tel: 65-2544466
Fax: 65-2504466
Email: [email protected]
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.
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet DS9627.PDF ] | |
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