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AZ1117D2.5+FPGA+两颗SDRAM的核心板PCB作品文件分享。
9 G, {/ Z6 n3 |1 n用AD画的4层板,4 R4 O" Y$ c# p% p. D- O
FPGA+两颗SDRAM的核心板,
9 K' i! J4 C8 {0 q2 q" o板子相对较简单,有需要的可以看看。
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% \/ V' j/ K' p. u5 C5 q) q3 H层数:4层
& m8 [2 }. _ p5 `$ L) S& d用途:核心板3 ]( a* g$ P) c q% {
pcb作品截图如下:- Y5 J( R$ t$ w! D
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附件:
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BOM:
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4 }- l0 z: z% ` D6 ~ Z6 {Comment | Designator | Quantity | Footprint | 0.1uF/50V | C1, C2, C3, C4, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C32, C34, C67, C73, C74, C75, C76 | 24 | C0603 | 10uF/16V | C5, C6, C7, C21, C22, C23, C25, C27, C31, C78 | 10 | C1206 | 10nF/50V | C24, C77 | 2 | C0603 | 10pF | C69, C70, C71, C72 | 4 | C0603 | B340A | D1, D2 | 2 | DO-241AC | HOLD | GND1, GND2, GND3, GND4 | 4 | GND_HOLD | 60Pin | J1, J2 | 2 | CON60-A | 100MHZ/100OHM | L1, L2, L3, L4, L5, L6, L7, L8, L9, L10, L13, L14 | 12 | L0805 | 4.7uH/2.8A | L11, L12 | 2 | L7*7.8 | Header 6 | P1 | 1 | HDR1X6 | BAT54C | Q1, Q2 | 2 | SOT-23-213 | 10K | R1, R2, R3, R4, R5, R7, R8 | 7 | R0603 | 22R | R6, R9, R21 | 3 | R0603 | 6.2K | R22 | 1 | R0603 | 2K | R23, R25 | 2 | R0603 | 1K | R24 | 1 | R0603 | FPGA | U1 | 1 | FBGA256 | SDRAM | U2, U3 | 2 | TSOP54 | E | U4 | 1 | SOIC8_N | M | U6, U7 | 2 | TSOT23-6 | AZ1117D2.5 | U17 | 1 | SOT-223 | 50M | Y2 | 1 | CY-4 | NC/50M | Y3 | 1 | CY-4 | + |; f" o5 a$ A# C/ D
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