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PDF DS75110AM Data sheet ( Hoja de datos )
| Número de pieza | DS75110AM | |
| Descripción | Dual Line Drivers | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DS75110AM (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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January 1996
DS75110A
Dual Line Drivers
General Description
The DS75110A is a dual line driver with independent chan-
nels, common supply and ground terminals featuring con-
stant current outputs. These drivers are designed for opti-
mum performance when used with the DS75107, DS75108
line receivers.
The output current of the DS75110A is nominally 12 mA and
may be switched to either of two output terminals with the
appropriate logic levels at the driver input.
Separate or common control inputs are provided for in-
creased logic versatility. These control or inhibit inputs allow
the output current to be switched off (inhibited) by applying
low logic levels to the control inputs. The output current in
the inhibit mode, IO(Off), is specified so that minimum line
loading is induced. This is highly desirable in system applica-
tions using party line data communications.
Features
n Improved stability over supply voltage and temperature
ranges
n Constant current, high impedance outputs
n High speed: 15 ns max propagation delay
n Standard supply voltages
n Inhibitor available for driver selection
n High common mode output voltage range
(−3.0V to 10V)
n TTL input compatibility
Connection Diagram
14–Lead Dual-In-Line Package
and SO-14 Package
Function Table
Inputs
Logic
Inhibitor
1 2 A/B INH
XXLX
XXXL
L XHH
X LHH
HHHH
H = High
L = Low
X = Don’t Care
Outputs
A1/B1
Off
Off
Off
Off
On
A2/B2
Off
Off
On
On
Off
DS009619-1
Top View
Order Number DS75110AM or DS75110AN
See NS Package Number M14A or N14A
© 1999 National Semiconductor Corporation DS009619
www.national.com
1 page  
Typical Applications
FIGURE 4. Simplex Operation
DS009619-5
DS009619-6
All drivers are DS75110A. Receivers are DS75107 or DS75108. Twisted-pair or coaxial transmission line should be used for minimum noise and cross talk.
When only one driver in a package is being used, the outputs of the other driver should either be grounded or inhibited to reduce power dissipation.
FIGURE 5. Half-Duplex Operation
5 www.national.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet DS75110AM.PDF ] | |
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