How are ICs named? - Electrical Engineering Stack Exchange
2016年3月30日 · A lot of IC names are rather arbitrary: typically a prefix indicating manufacturer or series, and a number. However, in the case of that particular chip (and discrete logic chips …
74LS vs. 74HC series ICs for Ben Eater's 8-bit Computer
2018年2月27日 · For faster logic the 74AC series is good to 120 MHZ, the limit of the 5 volt 74ACxx, 74HCxx, 74HCTxx logic series. The 74HC/74HCT/74AC series is still in production …
Why exactly do chips start malfunctioning once they overheat?
2011年5月4日 · The main problem with IC operation at high temperatures is the greatly increased leakage current of individual transistors. The leakage current can increase to such an extent …
What are the tools to identify ICs by marking?
2020年9月9日 · Vendor names - 'PHI' on your second IC may indicate that this part was once a Philips Semiconductor part (which would be NXP / Nexperia) - it could also indicate where it …
What's up with the operating voltages 5 V, 3.3 V, 2.5 V, 1.8 V, etc.?
Whoever makes an IC decides on the voltages it needs. In the olden days someone started using 5V for digital logic and that stuck for a long time, mainly because it's much harder to sell a chip …
ICs ("chips") are typically packaged in what material?
2016年2月16日 · Just did a quick check through a couple of IC manufacturers familiar to me, and found these links: Texas Instruments - TI home > Support > Quality & reliability > …
Which software is used to design (and simulate) IC?
2021年4月30日 · Digital design. Digital circuit design is usually done using a HDL language like Verilog or VHDL. This can be simulated on digital level with tools like Modelsim / Questa.
pcb - Tips for identifying an unknown chip? - Electrical …
2011年1月14日 · Help Identifying an IC Chip. 2. Help identifying a SMPS chip. 0. Identifying this chip marked 1200 378 AKEP.
integrated circuit - Why ceramic IC packaging? - Electrical …
2013年6月25日 · Many IC packages are also sold as bare die, or wafer level chip scale (WLCSP) packages, for the circuit assembly process to directly connect to the PCB. The bare chip is …
Safe temperature for desoldering SMD components w/ hot-air …
2012年2月4日 · My one test so far was to desolder a random surface-mount IC package from a piece of electronic salvage I had lying around (kept for exactly this purpose). I tried to step up …