I don't need it for my simulations, but the the ibis parser doesn't understand [diff pin]. I encountered this in the Cypress CY7C68013A model. http://download.cypress.com.edgesuite.net/design_resources/models/contents/cy7c68013a_ibis_10.txt -- Galen Seitz Seitz & Associates galens@xxxxxxxxxxxxxx ------------------------------------------------------------------ To unsubscribe from the eispice list send an email to: eispice-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field