A simple .ebd file

[Begin Board Description]  16Meg X 8 SIMM Module
[Manufacturer] IMCP.inc
[Number Of Pins] 7
[Pin List]  signal_name
 A1          GND
 A2          data1
 A3          data2
 A4          POWER5    | This pin connects to 5 V
 A5          NC        | a no connect pin
 A22         POWER3.3  | This pin connects to 3.3 V
 B1          casa
[Path Description] DATA_1
Pin A2
Len = 0.5 L=8.35n C=3.34p R=0.01 /
Node u21.15
Len = 0.5 L=8.35n C=3.34p R=0.01 /
Node u22.15
Len = 0.5 L=8.35n C=3.34p R=0.01 /
Node u23.15
[Reference Designator Map]
u21        imcp_mem.ibs   IMCP_MEM
u22        imcp_mem.ibs   IMCP_MEM
u23        imcp_mem.ibs   IMCP_MEM
[End Board Description]


This same .ebd file converted into a possible .emd format

[Begin Module Description]  16Meg X 8 SIMM Module
[Manufacturer] IMCP.inc
[Number Of Pins] 7
[Pin List]  signal_name
 A1          GND
 A2          data1
 A3          data2
 A4          POWER5    | This pin connects to 5 V
 A5          NC        | a no connect pin
 A22         POWER3.3  | This pin connects to 3.3 V
 B1          casa
[ISS Description] DATA_1
.subckt DATA_1 A2 u21.15 u22.15 u23.15
t1 A2 0 u21.15 0 Td=300p Zo=50.
t2 u21.15  0 u22.15 0 Td=300p Zo=50.
t3 u22.15  0 u23.15 0 Td=300p Zo=50.
.ends DATA_1
[Reference Designator Map]
u21        imcp_mem.ibs   IMCP_MEM
u22        imcp_mem.ibs   IMCP_MEM
u23        imcp_mem.ibs   IMCP_MEM
[End Module Description]



The same subckt as it may appear as a standard SPICE subckt using MCP.

*[Begin IBIS-MCP]
*[Version] 1.0
*[Source] IMCP, Inc
*[Model Type] ISS
*[Structure Type] Package
*
*[Reference Designator Map]
*J	     Connector
*u21        imcp_mem.ibs   IMCP_MEM
*u22        imcp_mem.ibs   IMCP_MEM
*u23        imcp_mem.ibs   IMCP_MEM
*
*[Pin Schema] pinNumber signalName netName modelNodeName
*
*[Connection] PCB 1 J
*[Pin]               A2      data1  DATA_1       DimmPin
*[Connection] IBIS 1  U21
*[Pin]               21         D1  DATA_1        Data_A
*[Connection] IBIS 1  U22
*[Pin]               21         D1  DATA_1        Data_B
*[Connection] IBIS 1  U23
*[Pin]               21         D1  DATA_1        Data_C
*[End IBIS-MCP]

.subckt Subckt_Data_1 DimmPin Data_A Data_B Data_C
t1 DimmPin 0 Data_A 0 Td=300p Zo=50.
t2 Data_A  0 Data_B 0 Td=300p Zo=50.
t3 Data_B  0 Data_C 0 Td=300p Zo=50.
.ends Subckt_Data_1