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DS14C239 Datasheet(数据表) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件型号  DS14C239
说明  Dual Supply TIA/EIA-232 3 x 5 Driver/Receiver
下载  8 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

DS14C239 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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TLF11283
March 1996
DS14C239
Dual Supply TIAEIA-2323x5 DriverReceiver
General Description
The DS14C239 is a three driver five receiver device which
conforms to the TIAEIA-232-E standard and CCITT V28
recommendations This device eliminates b12V supply by
employing an internal DC-DC converter to generate the nec-
essary output levels from a single a5V supply and a posi-
tive voltage power supply (a75V to a132V) 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
With the addition of
TRI-STATE
receiver outputs device power consumption is
kept to a minimum
The combination of its low power requirement and extended
operating temperature range makes this device an ideal
choice for a wide variety of commercial industrial and bat-
tery powered applications
Features
Y
Conforms to TIAEIA-232-E and CCITT V28
Y
Internal DC-DC converter
Y
Low power requirement Ia e 10 mA max
ICC e 1mAmax
Y
Internal driver slew rate control
Y
Receiver Noise Filtering
Y
Operates above 120 kbitssec
Y
TRI-STATE Receiver Outputs
Y
Direct replacement for MAX239
Y
Industrial temperature range optionDS14C239T
(b40 Cto a85 C)
Connection Diagram
TLF11283 – 1
Order Number DS14C239N DS14C239WM
DS14C239TN or DS14C239TWM
See NS Package Number M24B or NA24G
Functional Diagram
TLF11283 – 2
TRI-STATE
is a registered trademark of National Semiconductor Corporation
C1996 National Semiconductor Corporation
RRD-B30M66Printed in U S A




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