DRAM PLD DESCRIPTIONS

[c,h,l,h,h,h,h,l,h,h,l,ll

-+

[c,l,x,h,h,h,h,l,h,x,l,ll

-+

[c,h,h,h,h,h,h,h,l,l,l,ll

-+

[ c , I , h , h ,'h , h , h , h , I , I , I , I I

-+

[c,h,h,h,h,h,h,h,I,I,I,11

-+

[c, I , x , h , x ,h , h ,h , I , x , I , I I

-+

[c,h,I,h,h,h,h,h,I,h,I,ll

-+

[c,I,x,h,h,h,h,h,I,x,I,ll

-+

[c,h,l,h,h,h,h,h,l,l,l,ll

-+

[c,I,x,h,h,h,h,h,I,I,I,11

-+

[c,h,I,h,h,h,h,h,I,I,I,11

-+

[c,I,x,h,h,h,h,h,I,I,I,ll

-+

[c,h,h,h,h,h,h,h,h,I,I,ll

-+

[ c , I , h , h , h , h , h , h , h , I , I , I, I

-+

[c,h,h,h,h,h,h,h,l,l,l,ll

-+

[c,l,h,h,h,h,h,h,l,l,l,ll

-+

[c,h,h,h,h,h,h,h,l,l,l,ll

-+

[c,l,x,h,x,h,h,h,l,x,l,ll

-+

rasO read then refresh

-+

[c,h,I,h,I,h,h,h,h,h,I,11

[c,I,x,h,I,h,h,h,h,I,h,ll

-+

[ c , h , h, ,h , I ,h ,h , I ,h , L, h , II

-+

[c,I,h,h,I,h,h,I,h,I,h,11

-+

[c,h,h,h,I,h,h,I,h,I,h,ll

-+

[c,I,h,h,I,h,h,I,h,x,h,11

-+

[c,h,h,h,I,h,h,I,h,h,h,ll

-+

[c,I,h,h,I,h,h,I,h,x,h,11

-+

[c,h,h,h,h,h,h,h,h,I,h,ll

-+

[c,l,h,h,h,h,h,h,h,l,h,ll

-+

[c,h,h,h,h,h,h,h,h,I,h,ll

-+'

[c,I,h,h,h,h,h,h,h,I,h,ll

-+

[c,h,h,h,h,h,h,h,h,I,h,11

-+

[c,I,h,h,h,h,h,h,h,I,x,11

-+

[c,h,h,h,h,h,h,h,h,I,x,ll

-+

[c,I,h,h,h,h,h,I,I,I,x,ll

-+

[c,h,h,h,h,h,h,I,I,I,I,11

-+

[c,I,h,h,h,h,h,I,I,I,I,11

-+

['c , h , h , h , h, h , h , I , I , I , I , I I

-+

[c,I,h,h,h,h,h,h,h,I,I,ll

-+

[c,h,h,h,h,h,h,h,h,I,I,11

-+

[ I ,h, 1 ,h, I ,h I; [ I ,h , I , I , I , hi;, [h, h , I , I , I , hi; [h, h, I , I , I ,h I; [h , h , I , h , I ,h I ; [h, h, I ,h, I ,h I;

[h,h,h,h,I,hl;

[h,h,h,h,I,hl;

[h,h,h,h,I,hl;

[h,h,h,h,I,hl;

[h,h,h,h,I,hl;

[h,h,h,h,I,hl;

[ I , h, I ,h , I ,h I ; [ I , h , I , I , I , hi; [h ,h , I , I , I , hI; [h, h, I , I, I ,h I; [h, h, I ,h, I ,h I; [ h , h , I , h ,I , hI;

[I,I,h,h,I,hl;

[I,I,h,I,I,hl; [h', I ,h; I , I , hi; [h,I,h,I,I,hl; [h,I,h,h,I,hl [h,I,h,h,I,hl [h,h,h,h,I,hl [h,h,h,h,I,hl [h,h,h,h,h,hl [h,h,h,h,h,hl [h,h,h,h,h,ll [h,h,h,h,h,11 [h,l;I,h,h,ll [h,I,I,h,h,11 [h,I,I,h,h,hl [h,I,I,h,h,hl, [h,h,h,h,I,hl; [h,h,h,h,I,hl; [ h , h , h , h , I , hi; [h,h,h,h,I,hl; [h,h,h,h,l,hl;

dramstart/ras1act change MUX select dramstart/ras1act MUX select ras1act

ras1act

read bank 1

,b a c k to b a c k rea d wa 1 t for prechuge ba ck to b a c k read wa 1 t for prechuge

IIba ck to b Be k read

IIwa It for precharge

IIdramstart/ras1act II change MUX select II dramstart/raslact II MUX select

II ras1act II rashct

ldle/rBsldle change MUX select dramstart/rBsOBct MUX select rasOBct

rBsOact rBsOBct rasOBct

Refln Bct. Muxoe

act refadroe

Bct RAS

deact muxoe

de B'Ct RA5

mempend

end DRAM_COHTROLLER_FOR_80~86;

Figure B·2. DRAMP1 PLD Equations (Contd.)

8-5

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Image 281
Intel 386 manual Figure B·2. DRAMP1 PLD Equations Contd