Space saving BGA packages application note (PDF) from Fairchild Semiconductors. Demanding space and weight requirements of personal computing and portable electronic equipment has led to many innovations in IC packaging. Combining the right interface and logic products with new package technology can have a significant impact on the capabilities and form-factor of the end product. […]
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App note: Audible noise reduction techniques for Fairchild Power Switch Applications
Here’s an app note (PDF) from Fairchild Semiconductor on how to solve audible noise problem on their power switch applications. In general, switched mode power supplies do not generate audible noise when they operate at constant ultrasonic frequencies (>20kHz). However, some switched mode power supplies can produce audible noise at certain load conditions. Most Fairchild […]
App note: Understanding and Minimizing Ground Bounce
Another old app note from Fairchild on Ground Bounce issues. Ground bounce has been a concern to some system designers for many years. Its effects can be found in most bipolar and CMOS logic families. However, ground bounce has recently become a major issue. Although new advanced CMOS logic families have edge rates comparable to […]
App note: Using Fairchild’s LVX low voltage dual supply CMOS translating transceivers
Here’s a fairly old app note on Fairchild’s take of voltage translation ICs. The Fairchild CMOS Translating Transceivers: 74LVX3245, 74LVX4245, 74LVXC3245, and 74LVXC4245 are true voltage translating devices. This is accomplished by electrically isolating the A-side from the B-side. The LVX Translating Transceivers are divided into two types of devices, Dual Supply Translating Transceivers, and […]