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TMS4C2972 Datasheet 45760 By 12-bit Field Memory

Manufacturer: Texas Instruments

Overview: 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 patible With TMS4C2970 and TMS4C2971 D 2-Port Memory With FIFO Operation – Full-Word.

General 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 (FMEM) that is upwardly and pin-to-pin patible with the TMS4C2970 and TMS4C2971, except for the consequences of the block size change (40 instead of 80 words per block) on old data access mode enabling (see the section titled ‘‘old-/new-data access”).

The device is a two-port memory;

data is written in through a 12-bit-wide write port and is read out through a 12-bit-wide read port.

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