W942508CH Datasheet, PDF (2/47 Pages) Winbond – 8M x 4 BANKS x 8 BIT DDR SDRAM

W942508CH
10.6
10.7
10.8
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10.10
10.11
10.12
10.13
10.14
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10.16
10.17
10.18
10.19
10.20
10.21
10.22
10.23
10.24
10.25
10.26
DM, DATA MASK (W942516CH)....................................................................................... 32
Mode Register Set (MRS) Timing ...................................................................................... 33
Extend Mode Register Set (EMRS) Timing........................................................................ 34
Auto Precharge Timing (Read Cycle, CL = 2).................................................................... 35
Auto Precharge Timing (Write Cycle)................................................................................. 37
Read Interrupted by Read (CL = 2, BL = 2, 4, 8) ............................................................... 38
Burst Read Stop (BL = 8) ................................................................................................... 38
Read Interrupted by Write & BST (BL = 8)......................................................................... 39
Read Interrupted by Precharge (BL = 8) ............................................................................ 39
Write Interrupted by Write (BL = 2, 4, 8) ............................................................................ 40
Write Interrupted by Read (CL = 2, BL = 8) ....................................................................... 40
Write Interrupted by Read (CL = 2.5, BL = 4) .................................................................... 41
Write Interrupted by Precharge (BL = 8) ............................................................................ 41
2 Bank Interleave Read Operation (CL = 2, BL = 2) .......................................................... 42
2 Bank Interleave Read Operation (CL = 2, BL = 4) .......................................................... 42
4 Bank Interleave Read Operation (CL = 2, BL = 2) .......................................................... 43
4 Bank Interleave Read Operation (CL = 2, BL = 4) .......................................................... 43
Auto Refresh Cycle ............................................................................................................ 44
Active Power Down Mode Entry and Exit Timing............................................................... 44
Precharged Power Down Mode Entry and Exit Timing ...................................................... 44
Self Refresh Entry and Exit Timing .................................................................................... 45
11. PACKAGE DIMENSION ........................................................................................................... 46
11.1 TSOP 66l – 400 mil ............................................................................................................ 46
12. REVISION HISTORY ................................................................................................................ 47
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