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DS75107 Schematic ( PDF Datasheet ) - National Semiconductor

Teilenummer DS75107
Beschreibung Dual Line Receiver
Hersteller National Semiconductor
Logo National Semiconductor Logo 




Gesamt 9 Seiten
DS75107 Datasheet, Funktion
May 1999
DS75107
Dual Line Receiver
General Description
The product described herein is a TTL compatible dual high
speed circuit intended for sensing in a broad range of system
applications. While the primary usage will be for line receiv-
ers of MOS sensing, the product may effectively be used as
a voltage comparator, level translator, window detector,
transducer preamplifier, and in other sensing applications.
As a digital line receiver the product is applicable with the
SN55109/SN75109 and µA75110/DS75110 companion driv-
ers, or may be used in other balanced or unbalanced
party-line data transmission systems.
Input protection diodes are incorporated in series with the
collectors of the differential input stage. These diodes are
useful in certain applications that have multiple VCC+ sup-
plies or VCC+ supplies that are turned off.
Features
n Diode protected input stage for power “OFF” condition
n 17 ns typ high speed
n TTL compatible
n ±10 mV or ±25 mV input sensitivity
n ±3V input common-mode range
n High input impedance with normal VCC, or VCC = 0V
n Strobes for channel selection
n Dual circuits
n Sensitivity gntd. over full common-mode range
n Logic input clamp diodes — meets both “A” and “B”
version specifications
n ±5V standard supply voltages
Connection Diagram
Dual-In-Line Package
DS009446-1
Top View
Order Number DS75107M, DS75107N
See NS Package Number M14A or N14A
For Complete Military 883 Specifications, see RETS Datasheet.
Order Number DS55107AJ/883
See NS Package Number J14A
Selection Guide
Temperature
Package
Input Sensitivity
Output Logic
TTL Active Pull-Up
TTL Open Collector
0˚C TA +70˚C
Cavity or Molded Dip
±25 mV
±10 mV
DS75107
© 1999 National Semiconductor Corporation DS009446
www.national.com






DS75107 Datasheet, Funktion
Typical Applications (Continued)
Standard Devices
Standard Devices
DS009446-10
This would be a problem in specific systems which might
possibly have the transmission lines biased to some poten-
tial greater than 1.4V. Since this is not a widespread applica-
tion problem, both the “A” and standard devices will be avail-
able. The ratings and characteristic specifications of the “A”
devices are the same as those of the standard devices.
DS009446-8
The input protection diodes are useful in certain party-line
systems which may have multiple V+ power supplies and, in
which case, may be operated with some of the V+ supplies
turned off. In such a system, if a supply is turned off and al-
lowed to go to ground, the equivalent input circuit connected
to that supply would be as follows:
“A” Devices
DS009446-9
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