Fangyi, In IBIS 6.0 Draft: Parameter: Tx_DCD Required: No Descriptors: Usage: Info, (Out permitted only for AMI_Version 5.0 and 5.1) Type: Float, UI Format: Value, Range, Corner, List, Increment, Steps Default: <numeric_literal> Description: <string> Parameter: Tx_Jitter Required: No Descriptors: Usage: Info (, Out permitted only for AMI_Version 5.0 and 5.1) Type: Float, UI Format: Gaussian, Dual-Dirac, DjRj, Table Default: (Illegal) Description: <string> Rx_Clock_PDF and Rx_Receiver_Sensitivity are Info and Out. Walter -----Original Message----- From: ibis-macro-bounce@xxxxxxxxxxxxx [mailto:ibis-macro-bounce@xxxxxxxxxxxxx] On Behalf Of fangyi_rao@xxxxxxxxxxx Sent: Tuesday, July 02, 2013 6:55 PM To: ibis-macro@xxxxxxxxxxxxx Subject: [ibis-macro] Usage type of jitter parameters in ibis5.1 A question regarding usage type of jitter parameters came up in today's ATM. I checked the IBIS 5.1 spec and found that following reserved parameters Tx_DCD Tx_Jitter Rx_Clock_PDF Rx_Receiver_Sensitivity are allowed to have usage type of Info or Out. So their values can be returned by AMI_Init. Fangyi --------------------------------------------------------------------- IBIS Macro website : <http://www.eda.org/pub/ibis/macromodel_wip/> http://www.eda.org/pub/ibis/macromodel_wip/ IBIS Macro reflector: <//www.freelists.org/list/ibis-macro> //www.freelists.org/list/ibis-macro To unsubscribe send an email: To: <mailto:ibis-macro-request@xxxxxxxxxxxxx> ibis-macro-request@xxxxxxxxxxxxx Subject: unsubscribe