| Sample .s2i file
|
| HSPICE Model obtained from 
| http://www.micron.com/products/partdetail?part=MT48LC32M16A2TG-75%20IT
| 512Mb SDRAM Component : MT48LC32M16A2TG-75 IT.
| 
| Specify the IBIS version and file revision number.
|
[IBIS Ver]		2.1
[File rev] 		0.1
[date]  Sept 15 2006
[source] NCSU conversion of Micron HSPICE model
|[Iterate]
[Spice type]		hspice
[cleanup]
| Now specify some global parameters. These parameters will apply to
| _all_ the models in this file.
|
| Note on the [Temperature range] keyword: Since this is a CMOS circuit,
| the min column contains the highest temperature, since this temperature
| causes or amplifies the "min" (slow, weak) behavior, while the max
| column contains the lowest temperature, since this temperature causes or
| amplifies the "max" (fast, strong) behavior.  If this were a bipolar
| circuit, these temperature values would be reversed.
|
[temperature range] 40 85 0
[voltage range] 3.3 3.0 3.6
[sim time] 1.5ns
[vil] 0 0 0
[vih] 1 1 1
[Tr] 100ps 100ps 100ps
[Tf] 100ps 100ps 100ps
[rload] 50	

| 
| Specify the default pin parasitics
|                       typ      min     max
[R_pkg]			195.2m       155.4m       250.3m
[L_pkg]			4.03nH       2.88nH       5.00nH
[C_pkg]			1.03pF       0.83pF       1.19pF

|
| Component Description
|
[Component] MT48LC32M16A2TG-75 IT
[Manufacturer] Micron Technology

|
| Specify the SPICE file where the circuit is located.
|
[Spice file] y27b_dq.sp

|
| Now specify the pin list.  Since we're just creating an IBIS file for
| the driver, we'll use a very short pin list.
|
| The pin list formats can be found in doc/s2ibis2.txt.  Briefly, the
| first line of each pin is of the form
|
|  pin_name  spice_node  signal_name  model_name
|
| If a pin description has more than one line (e.g. the first pin in the
| pin list below), the second line is of the form
|
| -> input_pin  enable_pin
|
| Note that the second line must begin with the symbol "->".
|
| Therefore, a "translation" of the pin list below would read:
|
|   - The first pin is pin number "out". It corresponds to node "out" in
|     the given SPICE file. The signal carried on this pin is named
|     "out". This pin is represented by the model "tristate_driver"; 
|     it is driven by pin number "in" and is enabled by pin number 
|     "enable".
|   - The second pin is pin number "in", which corresponds to node "in"
|     in the SPICE file; its signal is named "in". The model for this
|     pin is "dummy".
|   - The third pin is pin number "enable", which corresponds to node 
|     "enable" in the SPICE file; its signal is named "enable". The 
|     model for this pin is "dummy" (the same model as the input pin).
|   - The fourth pin is pin number "gnd", which corresponds to node "gnd"
|     in the SPICE file; it carries the "gnd" signal. The model for this
|     pin is "GND", which is an s2ibis2 reserved word that denotes a
|     ground supply pin.
|   - The fifth pin is pin number "vdd", which corresponds to node "vdd"
|     in the SPICE file; it carries the "vdd" signal. The model for this
|     pin is "POWER", which is an s2ibis3 reserved word that denotes a
|     power supply pin.

[Pin]
DQ pad DQ DQBUFF_FULL
-> in ena
in in in dummy
ena ena ena dummy
vssq vssq vssq GND
vccq vccq vccq POWER

[Model] DQBUFF_FULL
[Model type] I/O
[Polarity] Non-inverting
[Enable] Active-High
[Model file] micron_y27b_typ.mod micron_y27b_min.mod micron_y27b_max.mod
[vinl] 0.99
[vinh] 1.61
[Vmeas] 1.3
[Rref] 50
[Vref] 1.3
[Cref] 30p

|           typ      min     max 
[C_comp]    1.1pf    1.1pf   1.1pf
| [Model Spec]
|   Subparam  typ        min        max
| Vinh          0.950      0.900      1.000    | From JEDEC specs + VDDQ/2 voltage
| Vinl          0.550      0.500      0.600    | From JEDEC specs + VDDQ/2 voltage
| Vmeas         0.750      0.700      0.800    | VDDQ/2 voltage
|
[Rising waveform] 50 0 0 0 NA NA NA NA NA
[Rising waveform] 50 2.6 2.5 2.7 NA NA NA NA NA
[Falling waveform] 50 0 0 0 NA NA NA NA NA
[Falling waveform] 50 2.6 2.5 2.7 NA NA NA NA NA

|
| Now specify stuff for the model "dummy". Since we only wanted to model
| the driver, we use the [NoModel] switch to tell s2ibis2 not to create
| this model. 
|
[Model] 	dummy
[NoModel]