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TM893GBK32S-60 Datasheet(PDF) 9 Page - Texas Instruments |
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TM893GBK32S-60 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 12 page TM497FBK32, TM497FBK32S 4 194 304 BY 32-BIT TM893GBK32, TM893GBK32S 8 388 608 BY 32-BIT EXTENDED DATA OUT DYNAMIC RAM MODULES SMMS668 – NOVEMBER 1996 9 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 switching characteristics over recommended ranges of supply voltage and operating free-air temperature PARAMETER ’497FBK32-60 ’893GBK32-60 ’497FBK32-70 ’893GBK32-70 ’497FBK32-80 ’893GBK32-80 UNIT MIN MAX MIN MAX MIN MAX tAA Access time from column address 30 35 40 ns tCAC Access time from CAS low 15 18 20 ns tCPA Access time from column precharge 35 40 45 ns tRAC Access time from RAS low 60 70 80 ns tCLZ CAS to output in low-impedance state 0 0 0 ns tOH Output disable time from start of CAS high 3 3 3 ns tOFF Output disable time after CAS high (see Note 6) 0 15 0 18 0 20 ns NOTE 6: tOFF is specified when the output is no longer driven. EDO timing requirements over recommended ranges of supply voltage and operating free-air temperature ’497FBK32-60 ’893GBK32-60 ’497FBK32-70 ’893GBK32-70 ’497FBK32-80 ’893GBK32-80 UNIT MIN MAX MIN MAX MIN MAX tHPC Cycle time, EDO page mode read or write 25 30 35 ns tPRWC Cycle time, EDO read-write 80 90 100 ns tCSH Hold time, CAS after RAS 50 55 60 ns tDOH Hold time, output after RAS 3 3 3 ns tCAS Pulse duration, CAS 10 10 000 12 10 000 15 10 000 ns tWPE Pulse duration, W (output disable only) 5 5 5 ns tCP Precharge time, CAS 5 5 5 ns |
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