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Axxxx s r enable set reset out nout model_name |
Name | Description | Flow | Type |
---|---|---|---|
s | S input | in | d |
r | R input | in | d |
enable | Enable | in | d |
set | Asynchronous set | in | d |
reset | Asynchronous reset | in | d |
out | Data output | out | d |
nout | Inverted data output | out | d |
.MODEL model_name d_srlatch parameters |
Name | Description | Type | Default | Limits |
---|---|---|---|---|
sr_delay | Delay from s or r input change | real | 1nS | $1\text{e}^{-12} - \infty$ |
enable_delay | Delay from clk | real | 1nS | $1\text{e}^{-12} - \infty$ |
set_delay | Delay from set | real | 1nS | $1\text{e}^{-12} - \infty$ |
reset_delay | Delay from reset | real | 1nS | $1\text{e}^{-12} - \infty$ |
ic | Output initial state | integer | 0 | 0 - 2 |
rise_delay | Rise delay | real | 1nS | $1\text{e}^{-12} - \infty$ |
fall_delay | Fall delay | real | 1nS | $1\text{e}^{-12} - \infty$ |
sr_load | S & r load values (F) | real | 1pF | none |
enable_load | Clk load value (F) | real | 1pF | none |
set_load | Set load value (F) | real | 1pF | none |
reset_load | Reset load value (F) | real | 1pF | none |
family | Logic family | string | UNIV | none |
in_family | Input logic family | string | UNIV | none |
out_family | Output logic family | string | UNIV | none |
out_res | Digital output resistance | real | 100 | $0 - \infty$ |
out_res_pos | Digital output res. pos. slope | real | out_res | $0 - \infty$ |
out_res_neg | Digital output res. neg. slope | real | out_res | $0 - \infty$ |
min_sink | Minimum sink current | real | -0.001 | none |
max_source | Maximum source current | real | 0.001 | none |
sink_current | Input sink current | real | 0 | none |
source_current | Input source current | real | 0 | none |
This device is identical to the SR flip flop except that it is level not edge triggered. That is the output may change whenever the enable input is high.
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