Ken Shirriff's Blog
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Reverse-engineering a low-power LED flasher chip.hilite {cursor:zoom-in} a:link img.hilite, a:visited img.hilite { color: #fff;} How do you make an LED blink? A vintage way is the...
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Reverse-engineering an early calculator chip with four-phase logic.hilite {cursor:zoom-in} a:link img.hilite, a:visited img.hilite { color: #fff;} In 1969, high-density MOS integrated circuits were...
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Reverse-engineering the clock chip in the first MOS calculator.hilite {cursor:zoom-in} a:link img.hilite, a:visited img.hilite { color: #fff;} In 1969, Sharp introduced the first calculator built from...
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Reverse engineering RAM storage in early Texas Instruments calculator chips.hilite {cursor:zoom-in} a:link img.hilite, a:visited img.hilite { color: #fff;} Texas Instruments introduced the first commercial...
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Reverse-engineering the classic MK4116 16-kilobit DRAM chip.hilite {cursor:zoom-in} a:link img.hilite, a:visited img.hilite { color: #fff;} Back in the late 1970s, the most popular memory chip was...
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Reverse-engineering the carry-lookahead circuit in the Intel 8008 processor.hilite {cursor:zoom-in} a:link img.hilite, a:visited img.hilite { color: #fff;} The 8008 was Intel's first 8-bit microprocessor,...
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Inside the stacked RAM modules used in the Apple III.hilite {cursor:zoom-in} a:link img.hilite, a:visited img.hilite { color: #fff;} In 1978, a memory chip stored just 16 kilobits of data....
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How the bootstrap load made the historic Intel 8008 processor possible.hilite {cursor:zoom-in} a:link img.hilite, a:visited img.hilite { color: #fff;} Near the end of 1972, Intel introduced their first...
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How to multiply currents: Inside a counterfeit analog multiplier.hilite {cursor:zoom-in} A recent Twitter thread about a counterfeit analog multiplier chip attracted my attention since I'm interested...
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HP Nanoprocessor part II: Reverse-engineering the circuits from the masks.hilite {cursor:zoom-in} In 1974, Hewlett-Packard developed a microprocessor for control applications in their products, from floppy disk...
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Reverse-engineering the first FPGA chip, the XC2064.hilite {cursor:zoom-in} A Field-Programmable Gate Array (FPGA) can implement arbitrary digital logic, anything from a microprocessor to a...
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Inside the HP Nanoprocessor: a high-speed processor that can't even add.hilite {cursor:zoom-in} The Nanoprocessor is a mostly-forgotten processor developed by Hewlett-Packard in 1974 1 as a microcontroller...
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Reverse-engineering the 8086's Arithmetic/Logic Unit from die photos.hilite {cursor:zoom-in} code {font-size: 90%;} The Intel 8086 processor was introduced in 1978, setting the course of modern computing....
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Inside a counterfeit 8086 processor.hilite {cursor:zoom-in} Intel introduced the 8086 processor in 1978, leading to the x86 architecture in use today. I'm currently...
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How the 8086 processor handles power and clock internally.hilite {cursor:zoom-in} One under-appreciated characteristic of early microprocessors is the difficulty of distributing power inside the...
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Heath Tarbert steps down as CFTC chair, will stay on as commissionerHeath Tarbert, the chairman of the Commodity Futures Trading Commission, said Thursday that he is stepping down as head of the agency. Tarbert,...
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Has Bitcoin Been Building Strong Support Above $30,000?Bitcoin has been trading north of $30,000 as the digital currency consolidates. Has the cryptocurrency established this price level as an area of...
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Bitcoin Price Plunge, a Healthy Correction or Stipulation of a Downtrend?The post Bitcoin Price Plunge, a Healthy Correction or Stipulation of a Downtrend? appeared first on Coinpedia - Fintech & Cryptocurreny News...
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Josh Rager Bullish on 10 Altcoins Programmed To ‘Print Money’, Warns Bitcoin’s Big Correction Not Over YetCrypto analyst Josh Rager says he’s patiently waiting for Bitcoin to prove it’s hit a bottom before placing any buy orders. Rager...
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Craig Wright fordert Copyright an Bitcoin-Whitepaper ein – Webseite von Bitcoin Core entfernt WhitepaperDer angebliche Satoshi Craigh Wright entfacht einen neuen Sturm im Wasserglas: Er fordert durch seine Anwälte die Betreiber der Webseiten...
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Grayscale May a Have Secret Chainlink TrustGrayscale Investments appears to have incorporated a Chainlink (LINK) trust, as well as trusts for other smaller-cap altcoins. Are there...
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Why the World’s Largest Asset Manager Is Getting Into BitcoinAs BlackRock gets ready to make its first foray into bitcoin, innovation-focused ARK ETF flows surpass that of BlackRock.
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Die Macht der Definitionen: Ripple (XRP) verschwindet nach Einstufung als Security von immer mehr BörsenNachdem die US-Börsenaufsicht SEC die Firma Ripple Labs anklagt hat, mit den XRP-Token ein unerlaubtes Security herauszugeben, trennen sich viele...
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Ethereum Price Chasing ATH at Rocket Speed, Was It the Last Chance to ‘Buy at the Dip’?The post Ethereum Price Chasing ATH at Rocket Speed, Was It the Last Chance to ‘Buy at the Dip’? appeared first on Coinpedia - Fintech &...
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Blockchain and Crypto to experience accelerated growth in 2021 – RippleDespite being on a sticky wicket in the wake of an SEC lawsuit , Ripple’s leadership is confident in the future of blockchain and crypto....
