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FM93C56A Datasheet(PDF) 8 Page - Fairchild Semiconductor |
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FM93C56A Datasheet(HTML) 8 Page - Fairchild Semiconductor |
8 / 13 page 8 www.fairchildsemi.com FM93C56A Rev. C.1 tCSS SYNCHRONOUS DATA TIMING CS SK DI DO (Data Read) DO (Status Read) Valid Status tDIS tDIH tPD tDH tSV tSKH tSKL tCSH tDF tDF tPD Valid Input Valid Input Valid Output Valid Output CS SK DI DO High - Z Dummy Bit 1 1 0 A1 A0 0 D1 D0 ;;;;;;;;;;;;;; ;;;;;;;;;;;;;; tCS ;;; ;;; READ CYCLE (READ) Address Bits(8/9) Star t Bit Opcode Bits(2) 93C56A (ORG=1; A n=A7; Dn=D15): Address bits patter n -> x-A6-A5-A4-A3-A2-A1-A0 (x -> Don't Care, can be 0 or 1; A6-to-A0 -> User defined) 93C56A (ORG=0; A n=A8; Dn=D7): Address bits patter n -> x-A7-A6-A5-A4-A3-A2-A1-A0; User defined (x -> Don't Care, can be 0 or 1; A7-to-A0 -> User defined) A n A n-1 D n Timing Diagrams Address Bits(8/9) CS SK DI DO High - Z WRITE ENABLE CYCLE (WEN) Start Bit Opcode Bits(2) 1 0 0 A1 A0 tCS A n A n-1 93C56A (ORG=1; A n=A7): Address bits pattern -> 1-1-x-x-x-x-x-x; (x -> Don ’ t Care, can be 0 or 1) 93C56A (ORG=0; A n=A8): Address bits pattern -> 1-1-x-x-x-x-x-x-x; (x -> Don ’ t Care, can be 0 or 1) |
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