TMS4C2972

D 2949120 Bits of Memory D Organization: 245 760 Words × 12 Bits D Single 5-V Power Supply (± 10% Tolerance) D Upwardly and Pin-to-Pin Compatible With TMS4C2970 and TMS4C2971 D 2-Port Memory With FIFO Operation – Full-Word Continuous Read / Write – Asynchronous Read / Write D Optional Random-Block Access Function (40 Words per Block) Enabled During Reset Operation, Two Modes for Write Access: D0- or IE-Controlled D Fully Static (Refresh-Free and Infinite Length of Clocking Pauses) D Write-Mask Function by Input Enable (IE) D Cascade Connection Capability D High-Speed Read / Write Operation ACCESS CYCLE TIME TIME READ WRITE (MAX) (MIN) (MIN) TMS4C2972-24 19 ns 24 ns 24 ns TMS4C2972-26 21 ns TMS4C2972-28 23 ns 26 ns 28 ns 26 ns 28 ns D 16M-Bit CMOS DRAM Process Technology D High-Reliability Plastic 36-Lead Surface-Mount Shrink Small-Outline Package ( SSOP) (DT Suffix) description TMS4C2972 245760 BY 12-BIT FIELD MEMORY SMGS671 – OCTOBER 1997 DT PACKAGE ( TOP VIEW ) VSS1 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 SWCK RSTW WE IE VDD1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 VSS2 35 Q11 34 Q10 33 Q9 32 Q8 31 Q7 30 Q6 29 Q5 28 Q4 27 Q3 26 Q2 25 Q1 24 Q0 23 SRCK 22 RSTR 21 RE 20 OE 19 VDD2 PIN NOMENCLATURE IE WE SWCK RSTW D0 – D11 OE RE SRCK RSTR Q0 – Q11 VDD1 – VDD2 VSS1 –VSS2 Input Enable Write Enable Serial-Write Clock Reset Write Data Inputs Output Enable Read Enable Serial-Read Clock Reset Read Data Outputs Power Ground The TMS4C2972 is a field memory (F...