<b>TTL Devices, 74xx Series with European Symbols</b><p> Based on the following sources: <ul> <li>Texas Instruments <i>TTL Data Book</i>&nbsp;&nbsp;&nbsp;Volume 1, 1996. <li>TTL Data Book, Volume 2 , 1993 <li>National Seminconductor Databook 1990, ALS/LS Logic <li>ttl 74er digital data dictionary, ECA Electronic + Acustic GmbH, ISBN 3-88109-032-0 <li>http://icmaster.com/ViewCompare.asp </ul> <author>Created by librarian@cadsoft.de</author> <b>Dual In Line Package</b> >NAME >VALUE Generated from <b>Adafruit T-Cobbler Plus.sch</b><p> by exp-lbrs.ulp <p><b>Generic FPC Breakout - 20 Pin - 1.0mm Pitch</b></p> >NAME >VALUE 5V0 5V0 GND GPIO14/TXD0 GPIO15/RXD0 GPIO18/GPIO_GEN1 GND GPIO23/GPIO_GEN4 GPIO24/GPIO_GEN5 GND GPIO25/GPIO_GEN6 GPIO8/SPI_CE0_N GPIO7/SPI_CE1_N 3V3 SDA1/GPIO2 SCL1/GPIO3 GPIO_GCLK/GPIO4 GND GPIO_GEN0/GPIO17 GPIO_GEN2/GPIO27 GPIO_GEN3/GPIO22 3V3 SPI_MOSI/GPIO10 SPI_MISO/GPIO9 SPI_SCLK/GPIO11 GND >NAME 1 >VALUE RESERVED/ID_SD GPIO5 GPIO6 GPIO13 GPIO19 GPIO26 GND ID_SC/RESERVED GND GPIO12 GND GPIO16 GPIO20 GPIO21 <b>EAGLE Design Rules</b> <p> Die Standard-Design-Rules sind so gewählt, dass sie für die meisten Anwendungen passen. Sollte ihre Platine besondere Anforderungen haben, treffen Sie die erforderlichen Einstellungen hier und speichern die Design Rules unter einem neuen Namen ab. <b>EAGLE Design Rules</b> <p> The default Design Rules have been set to cover a wide range of applications. Your particular design may have different requirements, so please make the necessary adjustments and save your customized design rules under a new name.