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ST16C650A
2.90V TO 5.5V UART WITH 32-BYTE FIFO
REV. 5.0.0
REVISION HISTORY
Date
Revision
4.20
Description
January 2001
Updated information specific to Device Revision "FC" and newer:
■ 2.90V to 5.5V Operation with 5V tolerant inputs
■ 3.125 Mbps dta rate at 5V and 2 Mbps at 3.3V
■ Auto RS485 Half-duplex control output
■ Wireless Infrared (IrDA) encoder with programmable pulse width
capability and decoder interface
■ Description of Device ID & Revision, IRPW and XFR registers
December 2001
January 2004
4.30
Updated values in AC Electrical Characteristics Table.
5.0.0
Changed to standard style format. Clarified timing diagrams. Added Device Status
to Ordering Information. Devices with top mark date code of "I2 YYWW" and newer
have 0 ns address hold time. Devices with top mark date code of "HC YYWW" and
older do not have this feature.
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 2004 EXAR Corporation
Datasheet January 2004.
Send your UART technical inquiry with technical details to hotline: uarttechsupport@exar.com.
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
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EXAR [ EXAR CORPORATION ]
