OniDev – Blog

Welcome to onidev v2

Boris Marmontel — Wed, 11 Nov 2026 00:00:00 +0000

Welcome to onidev v2. This version will be focused on a smooth user experience. The v1 is still maintained at ic.onidev.fr and contains more technical data. The v2 is a gallery / blog.

TICS Focus Stacker

Boris Marmontel — Sat, 26 Sep 2026 00:00:00 +0000

A lightweight focus stacking software with optional command line interface.

Chip Tracing Tool

Boris Marmontel — Mon, 31 Aug 2026 00:00:00 +0000

A lightweight circuit editor to visualize, rearrange and simulate digital netlists.

Finding: Canon S16 Lens

Boris Marmontel — Wed, 22 Jul 2026 00:00:00 +0000

I acquired an intriguing lens from Canon, with very unusual amber AR coatings.

Texas Instruments LM358 Op-Amp

Boris Marmontel — Wed, 29 Apr 2026 00:00:00 +0000

LM358 dual operation amplifiers.

F4558 Op-Amp

Boris Marmontel — Mon, 27 Apr 2026 00:00:00 +0000

Unknown manufacturer dual operation amplifiers.

Texas Instruments SN74HC14

Boris Marmontel — Fri, 24 Apr 2026 00:00:00 +0000

Hex inverters with Schmitt-Trigger inputs.

Realtek RTL8101L

Boris Marmontel — Wed, 22 Apr 2026 00:00:00 +0000

Single-chip fast ethernet controller and MC’97 controller with power management.

ST Microelectronics TSM104I op-amps

Boris Marmontel — Mon, 20 Apr 2026 00:00:00 +0000

Four op-amps and an adjustable shunt voltage reference.

ST Microelectronics TL082CN Op-Amp

Boris Marmontel — Thu, 16 Apr 2026 00:00:00 +0000

The TL082 is a general purpose JFET dual operation amplifier.

Philips TDA4665T

Boris Marmontel — Sat, 11 Apr 2026 00:00:00 +0000

Baseband delay line. First multispectral composite using my 7-wavelength narrow band illumination.

Epson E01060P0B

Boris Marmontel — Thu, 15 Jan 2026 00:00:00 +0000

Epson E06130P0D

Boris Marmontel — Mon, 12 Jan 2026 00:00:00 +0000

Pixelworks PW190-10L

Boris Marmontel — Fri, 09 Jan 2026 00:00:00 +0000

Epson E06100D0A

Boris Marmontel — Wed, 07 Jan 2026 00:00:00 +0000

Thomson EF9341P

Boris Marmontel — Sat, 03 Jan 2026 00:00:00 +0000

Nuvoton N76E003AT20

Boris Marmontel — Sat, 03 Jan 2026 00:00:00 +0000

Thomson EF9340P

Boris Marmontel — Fri, 02 Jan 2026 00:00:00 +0000

Semi-graphic CRT display processor.

Thomson EF9364AP Video Controller

Boris Marmontel — Tue, 30 Dec 2025 00:00:00 +0000

Intel 356-0002C REV 11

Boris Marmontel — Thu, 13 Nov 2025 00:00:00 +0000

Philips SC80C31BCGN40

Boris Marmontel — Mon, 10 Nov 2025 00:00:00 +0000

Toshiba TMP47C834N-R071

Boris Marmontel — Fri, 07 Nov 2025 00:00:00 +0000

Philips TDA9554PS

Boris Marmontel — Tue, 04 Nov 2025 00:00:00 +0000

Winbond W83C42 keyboard controller

Boris Marmontel — Mon, 03 Nov 2025 00:00:00 +0000

VIA VT82C42N

Boris Marmontel — Thu, 31 Jul 2025 00:00:00 +0000

Thomson EF9345P

Boris Marmontel — Tue, 29 Jul 2025 00:00:00 +0000

Nuvoton MS51FB9AE 8-bit MCU

Boris Marmontel — Sat, 26 Jul 2025 00:00:00 +0000

GI AY-3-8500

Boris Marmontel — Fri, 25 Jul 2025 00:00:00 +0000

Pong, and 5 other games on a chip!

SIS 85C471

Boris Marmontel — Wed, 23 Jul 2025 00:00:00 +0000

SIS 85C407

Boris Marmontel — Mon, 21 Jul 2025 00:00:00 +0000

UMC UM8663BF

Boris Marmontel — Sat, 19 Jul 2025 00:00:00 +0000

National Semiconductor DP83815DVNG

Boris Marmontel — Sat, 05 Jul 2025 00:00:00 +0000

10/100 Mbps integrated PCI Ethernet media access controller & physical layer (MacPhyter) in a LQFP (PGE) package with 144 pins.

Toshiba T6963C LCD Controller

Boris Marmontel — Thu, 03 Jul 2025 00:00:00 +0000

DPlanApo 20 UV oil immersion objective acquired

Boris Marmontel — Fri, 16 May 2025 00:00:00 +0000

I acquired this crazy objective for a relatively low price. Sadly, there are a bunch of tradeoffs to use it.

UMC UM8881F HB4 Super Energy Star

Boris Marmontel — Fri, 09 May 2025 00:00:00 +0000

VXPRO PCIchipset PC82C371USB

Boris Marmontel — Wed, 07 May 2025 00:00:00 +0000

VIA VT82C585VPX

Boris Marmontel — Mon, 05 May 2025 00:00:00 +0000

VIA VT82C586A

Boris Marmontel — Sat, 03 May 2025 00:00:00 +0000

ESS ES6688FA Vibratto-II DVD Processor

Boris Marmontel — Thu, 01 May 2025 00:00:00 +0000

A multiplexed narrowband RGB light source

Boris Marmontel — Sat, 26 Apr 2025 00:00:00 +0000

A multiplexed narrowband illumination offers several advantages over traditional broadband white light sources:

STM32F070CBT6

Boris Marmontel — Tue, 25 Mar 2025 00:00:00 +0000

Sony CXA2016S

Boris Marmontel — Sat, 22 Mar 2025 00:00:00 +0000

Oak OTI9797

Boris Marmontel — Fri, 07 Mar 2025 00:00:00 +0000

40-0483-001

Boris Marmontel — Mon, 03 Mar 2025 00:00:00 +0000

Lucent Parallel Tasking II Performance

10x water objective acquired

Boris Marmontel — Tue, 25 Feb 2025 00:00:00 +0000

I recently acquired a few interesting objectives like a MPlanFL N 5x/0.15 to replace my MSPlan5x/0.13, but the most interesting one is this UMPlanFL N 10x/0.30 W water objective.

Apple II 344S0047-A MEGA 11

Boris Marmontel — Wed, 19 Feb 2025 00:00:00 +0000

Apple II 344S0046-C VGC (Video Graphics Controller)

Boris Marmontel — Thu, 13 Feb 2025 00:00:00 +0000

Mitsumi MM1111

Boris Marmontel — Tue, 11 Feb 2025 00:00:00 +0000

2-Input 1-Output Video Switch

Mitsumi MM1112

Boris Marmontel — Mon, 10 Feb 2025 00:00:00 +0000

Hitachi HD63C09 CMOS MPU

Boris Marmontel — Fri, 07 Feb 2025 00:00:00 +0000

Analog Devices AD6480JST

Boris Marmontel — Wed, 05 Feb 2025 00:00:00 +0000

National semiconductor AD6266 MM9248-VS

Boris Marmontel — Mon, 03 Feb 2025 00:00:00 +0000

Mediatek MT8292N

Boris Marmontel — Thu, 30 Jan 2025 00:00:00 +0000

One of my first decaps using rosin. Still some residues visible on the right, but it worked pretty well. No visible damages on the chip caused by rosin or heat (about 300°C).

Mediatek MT8295AE

Boris Marmontel — Mon, 27 Jan 2025 00:00:00 +0000

Sitronix ST2016B

Boris Marmontel — Wed, 15 Jan 2025 00:00:00 +0000

Apple II 344S0048-A ADB GLU (VTI gate array)

Boris Marmontel — Mon, 13 Jan 2025 00:00:00 +0000

Apple II 344S0041 IWM

Boris Marmontel — Sat, 11 Jan 2025 00:00:00 +0000

Apple II 344S0050-1 FPI

Boris Marmontel — Thu, 09 Jan 2025 00:00:00 +0000

Apple II 344S0052-1 SGLU

Boris Marmontel — Tue, 07 Jan 2025 00:00:00 +0000

Atmel Atmega8

Boris Marmontel — Mon, 06 Jan 2025 00:00:00 +0000

STM32F103C6T6A MCU

Boris Marmontel — Wed, 04 Dec 2024 00:00:00 +0000

STM32 in false colors: RGB associated to 446/550/660nm

Sony CXD2024AQ

Boris Marmontel — Fri, 01 Nov 2024 00:00:00 +0000

Digital comb filter (NTSC/PAL)

Hitachi ALVCH162270

Boris Marmontel — Tue, 29 Oct 2024 00:00:00 +0000

12-bit to 24-bit Registered Bus Exchanger With 3-state Outputs

Philips TDA9178

Boris Marmontel — Sat, 26 Oct 2024 00:00:00 +0000

YUV one chip picture improvement based on luminance vector-, colour vector- and spectral processor

Ti 74LS125A

Boris Marmontel — Thu, 24 Oct 2024 00:00:00 +0000

Quadruple bus buffers with 3-state outputs

Brooktree Bt121KPJ80

Boris Marmontel — Sun, 20 Oct 2024 00:00:00 +0000

Monolithic CMOS Triple 8-Bit VIDEODAC for high-performance, high-resolution color graphics.

Sony CXA3106AQ

Boris Marmontel — Fri, 18 Oct 2024 00:00:00 +0000

PLL IC for LCD monitors/projectors with built-in phase detector, charge pump, VCO and counter.

Analog Devices AD9483KS-140

Boris Marmontel — Wed, 16 Oct 2024 00:00:00 +0000

Triple 8-Bit, 140 MSPS A/D Converter

Sony CXA1875AM

Boris Marmontel — Sun, 13 Oct 2024 00:00:00 +0000

Sumitomo 00C901 - Sea of gates

Boris Marmontel — Fri, 11 Oct 2024 00:00:00 +0000

After a lot of work, I designed an automated monochromatic R/G/B illumination system to totally remove any chromatic aberrations, increase sharpness, and reveal new details. Here is my first chip captured with it.

Motorized Olympus BH2

Boris Marmontel — Thu, 29 Feb 2024 00:00:00 +0000

The Olympus BH2 can be found as a biological microscope, normally finite, with a 160mm tube length, but for epi-illumination, a vertical illuminator must be added.

100x oil immersion objective acquired

Boris Marmontel — Tue, 11 Apr 2023 00:00:00 +0000

This is a milestone for my reverse engineering work.
I should now be able to resolve details down to 240nm for green light.

Focus Stacking Module

Boris Marmontel — Thu, 07 Jul 2022 00:00:00 +0000

Focus stacking (also known as focal plane merging and z-stacking or focus blending) is a digital image processing technique which combines multiple images taken at different focus distances to give a resulting image with a greater depth of field (DOF) than any of the individual source images (wikipedia).

Semi-automated image acquisition

Boris Marmontel — Sat, 25 Jun 2022 00:00:00 +0000

My installation allows (finally) to take precise captures automatically in order to generate gigapixel panoramas.

SwiftCam Camera: CMDµ G65SC02 CPU

Boris Marmontel — Thu, 15 Oct 2020 00:00:00 +0000

This panorama was made under a metalographic Olympus BH2 microscope and required about 500 pictures taking with my new SwiftCam 3MP camera and the MSPlan 5x objective.

CMDU G65SC02

Boris Marmontel — Sat, 10 Oct 2020 00:00:00 +0000

The CMDµ G65SC02 is a 8-bit microprocessor using the silicon gate CMOS process. This die was found inside a remarked chip (MOS 6502) from aliexpress.

Metalography Microscope: Olympus BH2

Boris Marmontel — Fri, 09 Oct 2020 00:00:00 +0000

I finally managed to get my hands on a metallurgical Olympus BH2 microscope second hand, for a very good price, including:

Intel 4004 transistor level simulation

Boris Marmontel — Wed, 26 Aug 2020 00:00:00 +0000

This is a slowed down HD simulation of the Intel 4004, based from the official layouts from 4004.com.