ML2721
PRELIMINARY
TABLE OF CONTENTS
General Description ................................................................................................................................................... 1
Features...................................................................................................................................................................... 1
Applications ............................................................................................................................................................... 1
Simplified Block Diagrams......................................................................................................................................... 3
Block Diagram ........................................................................................................................................................... 4
Pin Configuration ....................................................................................................................................................... 5
Pin Descriptions ......................................................................................................................................................... 5
Functional Description ............................................................................................................................................... 8
Introduction.............................................................................................................................................................. 8
Circuit Block Descriptions........................................................................................................................................ 8
Modes Of Operation .................................................................................................................................................. 10
Overview ................................................................................................................................................................. 10
Receive Modes ........................................................................................................................................................ 10
Transmit Mode ......................................................................................................................................................... 12
Standby Mode .......................................................................................................................................................... 15
Test Mode ................................................................................................................................................................ 15
Control Interfaces ....................................................................................................................................................... 16
Register Information ................................................................................................................................................. 17
Transmit and Receive Data Interfaces ...................................................................................................................... 22
Applications ............................................................................................................................................................... 23
Electrical Characteristics............................................................................................................................................ 24
Electrical Tables ......................................................................................................................................................... 24
Absolute Maximum Ratings........................................................................................................................................ 24
Operating Conditions ................................................................................................................................................. 24
Physical Dimensions .................................................................................................................................................. 28
Ordering Information .................................................................................................................................................. 28
WARRANTY
Micro Linear makes no representations or warranties with respect to the accuracy, utility, or completeness of the contents
of this publication and reserves the right to make changes to specifications and product descriptions at any time without
notice. No license, express or implied, by estoppel or otherwise, to any patents or other intellectual property rights is
granted by this document. The circuits contained in this document are offered as possible applications only. Particular uses
or applications may invalidate some of the specifications and/or product descriptions contained herein. The customer is
urged to perform its own engineering review before deciding on a particular application. Micro Linear assumes no liability
whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Micro Linear products including
liability or warranties relating to merchantability, fitness for a particular purpose, or infringement of any intellectual property
right. Micro Linear products are not designed for use in medical, life saving, or life sustaining applications.
© Micro Linear 2000. is a registered trademark of Micro Linear Corporation. All other trademarks are the property of their
respective owners.
Products described herein may be covered by one or more of the following U.S. patents: 4,897,611; 4,964,026; 5,027,116;
5,281,862; 5,283,483; 5,418,502; 5,508,570; 5,510,727; 5,523,940; 5,546,017; 5,559,470; 5,565,761; 5,592,128; 5,594,376;
5,652,479; 5,661,427; 5,663,874; 5,672,959; 5,689,167; 5,714,897; 5,717,798; 5,742,151; 5,747,977; 5,754,012; 5,757,174;
5,767,653; 5,777,514; 5,793,168; 5,798,635; 5,804,950; 5,808,455; 5,811,999; 5,818,207; 5,818,669; 5,825,165; 5,825,223;
5,838,723; 5.844,378; 5,844,941. Japan: 2,598,946; 2,619,299; 2,704,176; 2,821,714. Other patents are pending.
2
January, 2000
PRELIMINARY DATASHEET
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
