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W9751G6KB-25 Datasheet(PDF) 44 Page - Winbond |
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W9751G6KB-25 Datasheet(HTML) 44 Page - Winbond |
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44 / 87 page  W9751G6KB Publication Release Date: Sep. 03, 2012 - 44 - Revision A04 AC Characteristics and Operating Condition for -18 speed grade, continued Notes: 1-3 and 45-47 apply to the entire table SYM. SPEED GRADE DDR2-1066 (-18) UNITS 25 NOTES Bin(CL-tRCD-tRP) 7-7-7 PARAMETER MIN. MAX. tWPRE Write preamble 0.35 tCK(avg) tWPST Write postamble 0.4 0.6 tCK(avg) 12 tRPRE Read preamble 0.9 1.1 tCK(avg) 14,36 tRPST Read postamble 0.4 0.6 tCK(avg) 14,37 tDS(base) DQ and DM input setup time 0 pS 16,27,29, 41,42,44 tDH(base) DQ and DM input hold time 75 pS 17,27,29, 41,42,44 tDS(ref) DQ and DM input setup time 200 pS 16,27,29, 41,42,44 tDH(ref) DQ and DM input hold time 200 pS 17,27,29, 41,42,44 tDIPW DQ and DM input pulse width for each input 0.35 tCK(avg) tHZ Data-out high-impedance time from CLK/ CLK tAC,max pS 15,35 tLZ(DQS) DQS/ DQS -low-impedance time from CLK/ CLK tAC,min tAC,max pS 15,35 tLZ(DQ) DQ low-impedance time from CLK/ CLK 2 x tAC,min tAC,max pS 15,35 tHP Clock half pulse width Min. (tCH(abs), tCL(abs)) pS 32 tQHS Data hold skew factor 250 pS 33 tQH DQ/DQS output hold time from DQS tHP - tQHS pS 34 tXSNR Exit Self Refresh to a non-Read command tRFC + 10 nS 23 tXSRD Exit Self Refresh to a Read command 200 nCK tXP Exit precharge power down to any command 3 nCK tXARD Exit active power down to Read command 3 nCK 18 tXARDS Exit active power down to Read command (slow exit, lower power) 10 - AL nCK 18,19 tAOND ODT turn-on delay 2 2 nCK 20 tAON ODT turn-on tAC,min tAC,max + 2.575 nS 20,35 tAONPD ODT turn-on (Power Down mode) tAC,min + 2 3 x tCK(avg) + tAC,max+1 nS tAOFD ODT turn-off delay 2.5 2.5 nCK 21,39 tAOF ODT turn-off tAC,min tAC,max + 0.6 nS 21,38,39 tAOFPD ODT turn-off (Power Down mode) tAC,min + 2 2.5 x tCK(avg) + tAC,max + 1 nS tANPD ODT to power down Entry Latency 4 nCK tAXPD ODT Power Down Exit Latency 11 nCK tMRD Mode Register Set command cycle time 2 nCK tMOD MRS command to ODT update delay 0 12 nS 23 tOIT OCD Drive mode output delay 0 12 nS 23 tDELAY Minimum time clocks remain ON after CKE asynchronously drops LOW tIS+tCK(avg)+tIH nS 22 |
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Similar Description - W9751G6KB-25 |
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