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W631GG6KB-15 Datasheet(PDF) 59 Page - Winbond |
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W631GG6KB-15 Datasheet(HTML) 59 Page - Winbond |
59 / 158 page W631GG6KB Publication Release Date: Feb. 27, 2013 Revision A04 - 59 - T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 Tn CK# CK Command*3 Address*4 DQS, DQS# DQ*2 Din n Din n+2 Din n+3 Bank Col n WRITE NOP NOP NOP NOP NOP NOP NOP READ WL = 5 tWPRE Din n+1 tWPST NOP NOP tWTR*5 Bank Col b RL = 6 TIME BREAK TRANSITIONING DATA DON'T CARE Notes: 1. BC4, WL = 5, RL = 6. 2. Din n = data-in from column n; Dout b = data-out from column b. 3. NOP commands are shown for ease of illustration; other commands may be valid at these times. 4. BC4 setting activated by MR0 A[1:0] = 10 during WRITE command at T0 and READ command at Tn. 5. tWTR controls the write to read delay to the same device and starts with the first rising clock edge after the last write data shown at T7. Figure 45 – WRITE (BC4) to READ (BC4) Operation T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 Tn CK# CK Command*3 Address*4 DQS, DQS# DQ*2 Din n Din n+2 Din n+3 Bank Col n WRITE NOP NOP NOP NOP NOP NOP NOP PRE WL = 5 tWPRE Din n+1 tWPST NOP NOP tWR*5 TIME BREAK TRANSITIONING DATA DON'T CARE Notes: 1. BC4, WL = 5, RL = 6. 2. Din n = data-in from column n; Dout b = data-out from column b. 3. NOP commands are shown for ease of illustration; other commands may be valid at these times. 4. BC4 setting activated by MR0 A[1:0] = 10 during WRITE command at T0. 5. The write recovery time (tWR) referenced from the first rising clock edge after the last write data shown at T7. tWR specifies the last burst write cycle until the precharge command can be issued to the same bank. Figure 46 – WRITE (BC4) to PRECHARGE Operation |
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