Electric VLSI Tutorials from CMOSedu.com

Electric at CMOSedu.com (examples, downloads, links, etc.)




Below is tutorial material that was generated with an older version of Electric that may still be useful.


Videos introducing both layout and Electric:

Electric_video_1   (17:42) drawing a basic inverter schematic, CMOSedu_1.jelib, inv_20_10.spi, and inv_20_10.sp (HSPICE) (save MOSFET models, C5_models.txt, to the C:\Electric directory)

Electric_video_2   (23:38) more inverter schematic drawing, CMOSedu_2.jelib, inv_sim_1.spi, and inv_sim_2.spi

Electric_video_3   (34:55) layout of an inverter (DRC, ERC, LVS [NCC]), CMOSedu_3.jelib, Inv_20_10_sch.spi, inv_sim_lay.spi, and inv_sim_lay_no_parasitics.spi

Electric_video_4   (15:09) adding separate connections for power and ground, CMOSedu_4.jelib and inv_sim_conn_1.spi

Electric_video_5   (09:52) drawing the schematic of a 21-stage ring oscillator, CMOSedu_5.jelib and ring_osc_sim_sch.spi

Electric_video_6   (19:06) lay out of a 21-stage ring oscillator, CMOSedu_6.jelib, ring_osc_sim_lay.spi, and ring_osc_sim_lay_with_parasitics.spi

Electric_video_8   (18:30) lay out a poly1-poly2 capacitor and an RC circuit, CMOSedu_8.jelib, RC_sim_sch.spi, and RC_sim_lay.spi

Electric_video_9   (24:25) drawing the schematic and icon of a NAND gate, CMOSedu_9.jelib, NAND_2_sch.spi, and NAND_sim_sch.spi

Electric_video_10 (28:33) lay out of a NAND gate, CMOSedu_10.jelib

Electric_video_11 (28:15) drawing the schematic and laying out a NOR gate (no talking, just music and the sound of connections!), CMOSedu_11.jelib

Electric_video_12 (10:50) brief introduction to IRSIM and ALS (asynchronous logic simulator), CMOSedu_12.jelib

Electric_video_13 (11:33) brief introduction to using HSPICE and LTspice with Electric, CMOSedu_13.jelib


Some random videos; the jelib used in these videos is here.

Electric_4_1 (3:52) Setting the right scale factor when opening libraries

Electric_4_2 (2:54) Create new libraries using objects (schematics/layout/icons) from other libraries. Moving objects between libraries.

Electric_4_3 (15:33) How to create and use icons and use them in schematics/SPICE.

Electric_4_4 (4:50) How to create a new version of a cell

Electric_5_1 (6:04) Layout of an n-well diode and making an icon view

Electric_5_2 (11:09) Schematic and simulation of an RC circuit using an n-well resistor

Electric_5_3 (12:15) Layout of the metal layers and a pad

Electric_6_1 (2:51) Layout of a pad that contains metal2 and metal3

Electric_6_2 (2:33) Layout of a padframe

Electric_6_3 (9:04) Layout of metal1, metal2 pad and overglass

Electric_7_1 (11:26) Making substrate connections

Electric_8_1 (10:20) Layout of an n-well resistor and sizing it for specific resistance

Electric_8_2 (11:37) Layout of a poly1 resistor with contacts to a resistor using bondpads

Electric_8_3 (5:28) Layout of a p+ resistor

Electric_8_4 (2:20) Layout of NMOS and PMOS transistors

Electric_8_5 (7:26) Connecting transistors together

Electric_9_1 (15:54) Schematic and layout of an inverter

Electric_9_2 (5:04) Layout of an ring oscillator

Electric_9_3 (5:27) Layout of a long L MOSFET

Electric_10_1 (4:26) Quick guide to laying out a long-L device without LVS error by creating an icon

Electric_10_2 (2:13) How to layout a 4-to-1 divider using four 10k n-well unit cells

Electric_10_3 (22:26) Layout of a poly1-poly2 capacitor, icon, an RC circuit

Electric_19_1 (11:50) 3 terminal and 4 terminal MOSFET symbols, when to use, some SPICE simulations


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