DS14185 EIA/TIA-232 3 Driver x 5 Receiver
April 1999
DS14185
EIA/TIA-232
3 Driver x 5 Receiver
Features
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Replaces one 1488 and two 1489s
Conforms to EIA/TIA-232-E
3 drivers and 5 receivers
Flow through pinout
Failsafe receiver outputs
20-pin SOIC package
LapLink
®
compatible −200 kbps data rate
General Description
The DS14185 is a three driver, five receiver device which
conforms to the EIA/TIA-232-E standard.
The flow-through pinout facilitates simple non-crossover
board layout. The DS14185 provides a one-chip solution for
the common 9-pin serial RS-232 interface between data ter-
minal and data communications equipment.
Connection Diagram
SOIC
Functional Diagram
DS011938-1
Order Number DS14185WM
See NS Package M20B
DS011938-2
LapLink
®
is a registered trademark of Travelling Software.
© 1999 National Semiconductor Corporation
DS011938
www.national.com
NSC [ NATIONAL SEMICONDUCTOR ]
