RCA_CY1C原理图5
4
3
2
1
REV NOTES,UNLESS OTHERWISE SPECIFIED:
1. RESISTANCE VALUES IN OHMS. 2. CAPACTITANCE VALUES IN FARADS. 3. ALL 0.1uF and 0.01uF CAPACITORS ARE DECOUPLING CAPS UNLESS OTHERWISE NOTED. THEY ARE SHOWN ON THE PAGE WITH THE ICs AND SHOULD BE PLACED NEAR.
DESCRIPTION
Initial schematic Ready for Layout Add EA15 Signal Add VGA,LCD and USB2.0; Change SRAM number
DATE
10/7/04 10/10/04 11/10/04 2/19/05
APPROVED
Yao Yuan Yao Yuan Yao Yuan Yao Yuan
D
0.1 0.9 1.1 1.9
D
C
4.BOARD PROPERTIES: A. ROUTE TO WITHIN 10% OF MANHATTAN DISTANCE B. 50 +/- 5 OHM MATCHED INPEDANCE C. OUTER LAYERS 0.5 OZ CU /W 0.5 OZ AU PLATING D. INNER LAYERS 1.0 OZ CU E. FR4 BOARD MATERIAL F. MIMIMUM TRACE WIDTH/SPACING 6 MILS G. MINIMUM VIA SIZE 12/20 MILS H. LAYER STACKUP:
1. 2. 3. 4. TOP - SIGNAL ROUTING GROU……
