ASIC Artefacts

14.09.2025, 22:58:57

Ring Oscillator

6 bit trimmable ring oscillator with enable pin.

riosc


🔗 Schematics

Show Tool Versions...

xschem: 3.4.6
ngspice: 44.2
magic: 8.3.541
netgen: 1.5.293
ihpopenpdk: dev


LVS

LVS-state: Netlists match uniquely.

🔗 LVS-report

SPECIFICATIONS

Tranisent Specification

Parameter Min (Spec. / Sim.) Max (Sim. / Spec.) Unit Checks (total/pass/fail/NaN) Comment
High Duration 10.0 / 47.096 65.768 / 100.0 ns 45/100.0%/0.0%/0.0% Last period before oscillator disable
Period Duration 10.0 / 100.052 139.853 / 200.0 ns 45/100.0%/0.0%/0.0% First period after oscillator enable
Duty-Cycle 40 / 44.745 48.404 / 60 % 45/100.0%/0.0%/0.0% First period after oscillator enable

Transient Specification (Monte Carlo)

Parameter Min (Spec. / Sim.) Max (Sim. / Spec.) Unit Checks (total/pass/fail/NaN) Comment
High Duration 10.0 / 48.392 65.636 / 100.0 ns 200/100.0%/0.0%/0.0% Last period before oscillator disable
Period Duration 20.0 / 102.801 137.994 / 200.0 ns 200/100.0%/0.0%/0.0% First period after oscillator enable
Duty-Cycle 40 / 44.593 48.534 / 60 % 200/100.0%/0.0%/0.0% First period after oscillator enable

Tranisent Specification (PEX)

Parameter Min (Spec. / Sim.) Max (Sim. / Spec.) Unit Checks (total/pass/fail/NaN) Comment
High Duration 10.0 / 42.202 71.697 / 100.0 ns 45/100.0%/0.0%/0.0% Last period before oscillator disable
Period Duration 20.0 / 88.953 152.267 / 200.0 ns 45/100.0%/0.0%/0.0% First period after oscillator enable
Duty-Cycle 40 / 45.517 48.792 / 60 % 45/100.0%/0.0%/0.0% First period after oscillator enable

Transient Specification (Monte Carlo, PEX)

Parameter Min (Spec. / Sim.) Max (Sim. / Spec.) Unit Checks (total/pass/fail/NaN) Comment
High Duration 10.0 / 45.721 60.815 / 100.0 ns 200/100.0%/0.0%/0.0% Last period before oscillator disable
Period Duration 20.0 / 96.236 127.654 / 200.0 ns 200/100.0%/0.0%/0.0% First period after oscillator enable
Duty-Cycle 40 / 45.959 48.853 / 60 % 200/100.0%/0.0%/0.0% First period after oscillator enable

PERFORMANCE CHARACTERISTICS

Transient Performance

xyplot_f1636b02ccbd4bc5756fbeede5608aef_4ff404c2109f50e2c288d4257a44152a

Transient Performance [PEX]

xyplot_f1636b02ccbd4bc5756fbeede5608aef_d9f04d477d6c5400a302cc733ce02d77

Transient Performance (Monte Carlo)

histplot_first_periodgroup_('tt_typ_stat_mc',-2),('tt_typ_mismatch_mc',_-2)__7f45d0bfa404f1962df747c50f0fff84
histplot_first_dutycyclegroup_('tt_typ_stat_mc',-2),('tt_typ_mismatch_mc',_-2)__7f45d0bfa404f1962df747c50f0fff84
histplot_last_highgroup_('tt_typ_stat_mc',-2),('tt_typ_mismatch_mc',_-2)__7f45d0bfa404f1962df747c50f0fff84