st16c554 Exar Corporation, st16c554 Datasheet - Page 37

• Manufacturer Part Number: st16c554
• Description: Quad Uart With 16-byte Fifos
• Manufacturer: Exar Corporation

REVISION HISTORY
REV. 4.0.1
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 2006 EXAR Corporation
Datasheet June 2006.
Send your UART technical inquiry with technical details to hotline: [e-mail].
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
August 2004
August 2005
April 2006
June 2006
D
ATE
R
EVISION
3.3.0
3.3.1
4.0.0
4.0.1
Added Revision History and Device Status.
Updated the 1.4mm-thick Quad Flat Pack package description from "TQFP" to
"LQFP" to be consistent with JEDEC and Industry norms.
New datasheet format. Changed active low signal designator from "-" in front of sig-
nal name to "#" after signal name. Updated AC Electrical Characteristics.
Corrected Part Numbers in Ordering Information.
NOTICE
37
2.97V TO 5.5V QUAD UART WITH 16-BYTE FIFO
D
ESCRIPTION
ST16C554/554D