Questions tagged [integrated-circuit]
An integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small plate of semiconductor material, normally silicon.
19
questions
0
votes
0
answers
38
views
Unable to identify chip
Unable to identify below chip (should be touch controller)
this is on a wifi 4 channel switch - overall PCB as below
Any help in identifying chip appreciated, need to unload custom firmware to the ...
2
votes
1
answer
90
views
unknown chip on pcb
Can someone help me identify this chip? The first row is 1647HC. Second row 4069UBF. Tird DB1354. I can't identify the manufacturer logo.
I'm new at this.
- 21
2
votes
0
answers
182
views
Identify microcontroller (24CC MQRV819.1 1739 on P6901 V2.6 board)
I was trying to identify the following integrated circuit (marked with the codes 24CC MQRV819.1 1739).
It is mounted on the P6901 V2.6 board of a fingerprint presence recorder.
Given the function of ...
- 71
2
votes
3
answers
709
views
Bypassing motion control on LED light PCB
I am a super noob at any type of reverse engineering and electrical in general but I think I can do this.
I bought these lights Artika Cabinet Lights Model# UCLT and found that the motion/light sensor ...
- 21
2
votes
2
answers
287
views
Chip Identification in Push Button Toy
I have a toy that simply consists of a button which plays a variety of phrases when activated. My intention is to replace the sounds with my own. However, I have been unable to identify the chip and ...
- 121
0
votes
1
answer
78
views
Trying to identify this chip
Tried all kinds of searches (including https://www.alldatasheet.com/ by marking), no result.
Can't even identify the manufacturer logo (PI-like symbol).
- 103
1
vote
0
answers
349
views
Subaru Eyesight Images and collision avoidance systems
I'm new to hardware hacking and I'm not to sure where to go with what I'm doing, any advice or feedback is greatly appreciated. I've been working on a project with the hope of downloading images that ...
- 11
4
votes
0
answers
358
views
Trying to identify Renesas custom SoC through CPU die inspection
Was wondering if someone could help me identify which series a Renesas Custom SoC belongs to within the super-H family by looking at optical images of the die circuitry layout of the device, and by ...
- 103
2
votes
1
answer
561
views
Help to identify unknown IC from Microchip
I am asking here hoping that someone may have experience identifying these kind of old chips. Googling the reference just shows some forums with people in same situation as me.
IC reference: 25072478 ...
- 21
2
votes
0
answers
54
views
Identify a 320V DC Brushless IC Power MOSFET(?) Driver
I need some help identifying this IC. It comes from a bladeless fan.
It is presumably a 230V Power MOSFET(?) element connected to the FCM8201 Three-Phase Sine-Wave BLDC Motor Controller.
The thick ...
- 121
1
vote
0
answers
114
views
How to hide / obfuscate the function of an IC?
Let's say I have an IC (integrated circuit) and I want to hide it's function. What would be best practice to do that?
Removing the markings with sandpaper or acid?
(E.g. atmega328, ATtiny85,... ) ...
- 111
1
vote
1
answer
138
views
Analog Devices chip identification Y 4 A
I've been trying to identify this little fellow:
The symbol indicates Analog devices. But the Cryptic "Y 4 A" is giving me a headache. Ive searched throughout the internet for the labelling norms of ...
- 113
5
votes
2
answers
700
views
Thought I found serial port - broke embedded device instead! Help?
Well another weekend has gone by and my tinkering has caused another device to (potentially) bite the dust. I've been playing around with a couple of Slingboxes, an M1 and a 500. Today was the M1. I ...
- 475
10
votes
5
answers
12k
views
Reverse engineering modern Intel CPUs
Are there open source projects that completely restore the inner circuitry of modern Intel CPUs? Is it simply possible, or are circuits closed and/or protected by proprietary technology?
- 111
3
votes
1
answer
345
views
Any Home Made Alternatives to X-Ray ICs?
I am on the hunt for several ICs by searching for the markings on them. But sometimes the markings are just too vague and I cannot really guarantee that the IC I found is the IC I am looking for. I ...
- 173
10
votes
3
answers
493
views
Physically auditing the layout of transistors inside a processor made at 22mm process die
What is necessary to check that the layout of all the 35000 transistors on a given physical processor was not tampered with, assuming the normal layout and its dispositions on the die are extensively ...
- 201
5
votes
1
answer
49
views
Exposing the connectors in a package on package
To analyze the communication protocol between two chips running unknown firmware, we eavesdrop into the communication bus between the chips. In the ideal case, this is “just” a matter of matching ...
8
votes
1
answer
248
views
How should I go about investigating an IC's functionality without destroying it?
I found a 14 pin integrated circuit with no visible markings. I have no information about its functioning. How should I go about trying to explore its functionality without destroying it ?
I have a ...
- 2,435
12
votes
1
answer
418
views
What kind of information can i get from reverse engineering an integrated circuit package
I've seen numerous examples of people essentially dissolving away the resin from integrated circuits in boiling high strength acid in order to expose the raw silicon chip underneath. My general ...
- 343