Copyright © 1997 Lattice Semiconductor Corporation.
2
E CMOS, GAL, ispGAL, ispLSI, pLSI, pDS, Silicon Forest, UltraMOS, Lattice Semiconductor, L (stylized) Lattice
Semiconductor Corp., L (stylized) and Lattice (design) are registered trademarks of Lattice Semiconductor Corporation.
Generic Array Logic, ISP, ispATE, ispCODE, ispDOWNLOAD, ispGDS, ispDS, ispDS+, ispStarter, ispSTREAM, ispTEST,
ispTURBO, Latch-Lock, pDS+, RFT, Total ISP and Twin GLB are trademarks of Lattice Semiconductor Corporation. ISP is a
service mark of Lattice Semiconductor Corporation. All brand names or product names mentioned are trademarks or
registered trademarks of their respective holders.
Lattice Semiconductor Corporation (LSC) products are made under one or more of the following U.S. and international
patents: 4,761,768 US, 4,766,569 US, 4,833,646 US, 4,852,044 US, 4,855,954 US, 4,879,688 US, 4,887,239 US, 4,896,296
US, 5,130,574 US, 5,138,198 US, 5,162,679 US, 5,191,243 US, 5,204,556 US, 5,231,315 US, 5,231,316 US, 5,237,218 US,
5,245,226 US, 5,251,169 US, 5,272,666 US, 5,281,906 US, 5,295,095 US, 5,329,179 US, 5,331,590 US, 5,336,951 US,
5,353,246 US, 5,357,156 US, 5,359,573 US, 5,394,033 US, 5,394,037 US, 5,404,055 US, 5,418,390 US, 5,493,205 US,
0194091 EP, 0196771B1 EP, 0267271 EP, 0196771 UK, 0194091 GB, 0196771 WG, P3686070.0-08 WG. LSC does not
represent that products described herein are free from patent infringement or from any third-party right.
The specifications and information herein are subject to change without notice. Lattice Semiconductor Corporation (LSC)
reserves the right to discontinue any product or service without notice and assumes no obligation to correct any errors
contained herein or to advise any user of this document of any correction if such be made. LSC recommends its customers
obtain the latest version of the relevant information to establish, before ordering, that the information being relied upon is
current.
LSC warrants performance of its products to current and applicable specifications in accordance with LSC’s standard
warranty. Testing and other quality control procedures are performed to the extent LSC deems necessary. Specific testing of
all parameters of each product is not necessarily performed, unless mandated by government requirements.
LSC assumes no liability for applications assistance, customer’s product design, software performance, or infringements of
patents or services arising from the use of the products and services described herein.
LSC products are not authorized for use in life-support applications, devices or systems. Inclusion of LSC products in such
applications is prohibited.
LATTICE SEMICONDUCTOR CORPORATION
5555 Northeast Moore Court
Hillsboro, Oregon 97124 U.S.A.
Tel.: (503) 681-0118
FAX: (503) 681-3037
http://www.latticesemi.com
February 1997