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本帖最后由 mark0908 于 2009-2-9 20:55 编辑
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在绘制part 时 在general 中会有logic family 这一选项,其中logic family 也就是元件的标识符的一部分.如下图:
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- P1 R z& B2 N I" I; q
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如:
+ W9 ~( x# s- G$ v TTL器件用 U 作为字首标识# A& \1 m% t" a
CAP 用 C 作为字首标识! U4 V" p2 C" j2 K+ S% x
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下例为英文版的对照6 a/ |" l v1 I( v+ g
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Diode logic (DL)) J% v/ L- L: r; ]# Z6 @: d% I
Direct-coupled transistor logic (DCTL)
) D3 @ R s8 s Resistor–transistor logic (RTL); {6 P" `, w/ A G7 U& F
Resistor-capacitor transistor logic (RCTL)
4 E0 \# K9 j1 O9 _/ V6 y Diode–transistor logic (DTL)
5 ^, U0 x; d8 I* a Emitter coupled logic (ECL) also known as Current-mode logic (CML)
' S* I7 F! j* {* J% E; k1 j" m& N Positive emitter-coupled logic (PECL); I1 F( ^+ E3 u7 C$ ?8 _/ P( a9 Q) i
Low-voltage positive emitter-coupled logic (LVPECL)
5 b2 _3 C: t; t0 j Transistor–transistor logic (TTL) and variants
: v t1 T9 o0 D7 i/ g& B5 E P-type metal–oxide–semiconductor logic (PMOS)
; J& h; T& f1 n, }9 `" _ N-type metal–oxide–semiconductor logic (NMOS)
2 r/ y4 X$ J8 S# Q Complementary metal–oxide–semiconductor logic (CMOS)
* k7 l: }+ ]# i0 `& a9 K- m3 O Bipolar complementary metal–oxide–semiconductor logic (BiCMOS)
4 g8 h- U# b- i; ]3 {7 a2 j Integrated injection logic (I2L)9 k, i! G w9 d, L0 L9 B7 [) |& X0 _
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........................................................................................................... 注: 以上资料来源于wikipedia
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Q1 : 哪位同仁有pads logic 中关于family logic 的所有解释,谢谢! |
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