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Posts Tagged ‘ICs’

Understanding silicon circuits: inside the ubiquitous 741 op amp

Friday, October 30th, 2015

Ken Shirriff's writes, "The 741 op amp is one of the most famous and popular ICs with hundreds of millions sold since its invention in 1968 by famous IC designer Dave Fullagar. In this article, I look at the silicon die for the 741, discuss how it works, and explain...

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Posted in reversed | 1 Comment »

App note: Hardware security ICs offer large security returns at a low cost

Saturday, October 5th, 2013

An application note from Maxim: Hardware security ICs offer large security returns at a low cost In the face of security vulnerabilities in health and safety applications, governments and industry leaders have focused on security weaknesses in the design and protection of electronic devices. This article explains how using hardware security...

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Posted in app notes | 1 Comment »

“Madparts” functional footprint editor update

Monday, May 27th, 2013

Andete  posted an update to his "madparts" functional footprint editor we covered previously: Today I released 1.1.  Mostly a bug-fix release but it does contain a hugely simplified installation for Win32 and Linux. Via the forum.

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Posted in open source, software | No Comments »

Madparts, the functional footprint editor

Monday, April 1st, 2013

Here's an open source functional footprint editor the Madparts by Andete, that is available at github: Being somewhat annoyed with the cumbersome task of creating footprints for ICs I decided to make my own program for it two months ago. Last Friday I finally released version 1.0 as fully open source software Via...

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Posted in open source, software | 2 Comments »

7-channel relay and inductive load sink driver ICs

Tuesday, January 1st, 2013

Uwe tipped us to Texas Instruments' low power 7-channel relay and inductive load sink driver ICs: TI offers two rather new low power 1,8V & 3.3V & 5V 7-channel relay and inductive load sink driver ICs: - ULN2003LV (Output/Switching Voltage max. 8V - e.g. for 5V relays) - ULN2003V12 (Output/Switching...

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Posted in components | 1 Comment »

Bus Pirate: MMA7456L three-axis accelerometer

Tuesday, May 11th, 2010

Starlino used the Bus Pirate to explore a Freescale MMA7456L, a three-axis accelerometer with both I2C and SPI interfaces. The surface mount chip is on a homemade though-hole breakout board, there's also a tutorial on this handy adapter. You can get a Bus Pirate for $30, including worldwide shipping at...

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Posted in Bus Pirate, Chips | 1 Comment »

Chips: 24AA02E48 I2C EEPROM with MAC address

Tuesday, October 6th, 2009

See the latest version in the documentation wiki. The 24AA02E48 is an I2C EEPROM with 256bytes of data storage. It's similar to other EEPROMs we've looked at in the past, but this chip has a 48bit EUI-48 ethernet MAC address permanently burned into the upper-most six bytes. This is an...

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Posted in Chips | No Comments »

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