SP339EER1-L Datasheet, PDF (23/23 Pages) Exar Corporation – RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION

REV. 1.0.4
SP339E
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
REVISION HISTORY
DATE
October 2011
December 2011
February 2013
November 2013
December 2013
REVISION
1.0.0
1.0.1
1.0.2
1.0.3
1.0.4
DESCRIPTION
Production Release
Added C_L and R_L test conditions to figures 13 and 14 on page 9
Absolute max rating ±18V on page 2
Text edits in product summary on page 19
Clarified test conditions for Driver Output Leakage Current on page 7
Added ±15kV Air Gap ESD per PCN 12-1009-01
Added ±4kV HBM ESD to non-bus pins per PCN 12-1009-01
Added recommended PCB land pattern drawing.
Combined QFN-40 package outline drawing and recommended PCB land
pattern in Figure 15. Added table for ”Suggested DB9 Connector Pinout” on
page 5 and Figure 16 for pin 1 orientation in tape. _{ECN: 1351-30}
NOTICE
EXAR Corporation reserves the right to make changes to the products contained in this publication in order to
improve design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any
circuits described herein, conveys no license under any patent or other right, and makes no representation that
the circuits are free of patent infringement. Charts and schedules contained here in are only for illustration
purposes and may vary depending upon a user’s specific application. While the information in this publication
has been carefully checked; no responsibility, however, is assumed for inaccuracies.
EXAR Corporation does not recommend the use of any of its products in life support applications where the
failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to
significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless
EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has
been minimized; (b) the user assumes all such risks; (c) potential liability of EXAR Corporation is adequately
protected under the circumstances.
Copyright 2013 EXAR Corporation
Datasheet December 2013.
For technical support please email Exar’s Serial Technical Support group at: [e-mail].
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
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