Appendix B: Bill of Materials
AT89STK-11 Hardware User Guide 4-14
7676B–8051–08/07
21 3 TP1,TP2,TP3 TEST POINT Through Hole Pad Hole 1.1mm Vero
22 1 U1 DF005S TO269AA Vishay
®
23 1 U2 LM317 SOT-223 National
®
25 1 U6 AT8xC51_PLCC44 Socket
25bis 1 U6 AT8xC51_PLCC44
26 2 U7,U8 SIPEX-SP3232ECA Ref=SP3232ECA SSOP16 Maxim
®
27 1 U9 74HC125/SO SOIC texas
28 1 Y1 CRYSTAL HC49 . .
28bis 2 Y1 CRYSTAL tulip . .
29 8
R100, R101, R102, R103,
4,7K 0.06W, 5% Case 0603 Multicomp
R104, R105, R106, R107
Item Q.ty Reference Part Tech. Caracteristics Package Manufacturer