`bag3_digital.layout.sampler.sr_latch`

This module contains layout generators for various latches.

Module Contents

Classes

`SRLatchSymmetricHalf`	Half of symmetric SR latch
`SRLatchSymmetric`	Symmetric SR latch. Mainly designed to be used with strongarm.

class bag3_digital.layout.sampler.sr_latch.SRLatchSymmetricHalf(temp_db: bag.layout.template.TemplateDB, params: bag.util.immutable.Param, **kwargs: Any)[source]

Bases: xbase.layout.mos.base.MOSBase

Half of symmetric SR latch

property q_tr_info: Tuple[int, bag.util.math.HalfInt, bag.util.math.HalfInt][source]

property sr_hm_tr_info: Tuple[int, bag.util.math.HalfInt, bag.util.math.HalfInt][source]

property sr_vm_tr_info: Tuple[int, bag.util.math.HalfInt, bag.util.math.HalfInt][source]

classmethod get_params_info() → Dict[str, str][source]

Returns a dictionary from parameter names to descriptions.

Returns:: param_info – dictionary from parameter names to descriptions.
Return type:: Mapping[str, str]

classmethod get_default_param_values() → Dict[str, Any][source]

Returns a dictionary containing default parameter values.

Override this method to define default parameter values. As good practice, you should avoid defining default values for technology-dependent parameters (such as channel length, transistor width, etc.), but only define default values for technology-independent parameters (such as number of tracks).

Returns:: default_params – dictionary of default parameter values.
Return type:: Mapping[str, Any]

draw_layout()[source]

Draw the layout of this template.

Override this method to create the layout.

WARNING: you should never call this method yourself.

_get_w_th_dict(ridx_n: int, ridx_p: int, has_rstb: bool) → Tuple[bag.util.immutable.ImmutableSortedDict[str, int], bag.util.immutable.ImmutableSortedDict[str, str]][source]

class bag3_digital.layout.sampler.sr_latch.SRLatchSymmetric(temp_db: bag.layout.template.TemplateDB, params: bag.util.immutable.Param, **kwargs: Any)[source]