W972GG6JB(2014) 查看數據表（PDF） - Winbond

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W972GG6JB
(Rev.:2014)

16M x 8 BANKS x 16 BIT DDR2 SDRAM

Winbond 

W972GG6JB

11.15

Burst read operation followed by precharge: RL=4 (AL=1, CL=3, BL=4, tRTP ≤ 2clks) ............77

11.16

Burst read operation followed by precharge: RL=4 (AL=1, CL=3, BL=8, tRTP ≤ 2clks) ............77

11.17

Burst read operation followed by precharge: RL=5 (AL=2, CL=3, BL=4, tRTP ≤ 2clks) ............78

11.18

Burst read operation followed by precharge: RL=6 (AL=2, CL=4, BL=4, tRTP ≤ 2clks) ............78

11.19

Burst read operation followed by precharge: RL=4 (AL=0, CL=4, BL=8, tRTP > 2clks) ............79

11.20

Burst write operation followed by precharge: WL = (RL-1) = 3 ..................................................79

11.21

Burst write operation followed by precharge: WL = (RL-1) = 4 ..................................................80

11.22

Burst read operation with Auto-precharge: RL=4 (AL=1, CL=3, BL=8, tRTP ≤ 2clks) ...............80

11.23

Burst read operation with Auto-precharge: RL=4 (AL=1, CL=3, BL=4, tRTP > 2clks) ...............81

11.24

Burst read with Auto-precharge followed by an activation to the same bank (tRC Limit): RL=5

(AL=2, CL=3, internal tRCD=3, BL=4, tRTP ≤ 2clks).......................................................................................81

11.25

Burst read with Auto-precharge followed by an activation to the same bank (tRP Limit): RL=5

(AL=2, CL=3, internal tRCD=3, BL=4, tRTP ≤ 2clks).......................................................................................82

11.26

Burst write with Auto-precharge (tRC Limit): WL=2, WR=2, BL=4, tRP=3.................................82

11.27

Burst write with Auto-precharge (WR + tRP Limit): WL=4, WR=2, BL=4, tRP=3 .......................83

11.28

Self Refresh Timing ...................................................................................................................83

11.29

Basic Power Down Entry and Exit Timing..................................................................................84

11.30

Precharged Power Down Entry and Exit Timing........................................................................84

11.31

Clock frequency change in precharge Power Down mode ........................................................85

12.

PACKAGE SPECIFICATION ..............................................................................................................86

13.

REVISION HISTORY ..........................................................................................................................87

Publication Release Date: Jul. 28, 2014

Revision: A03

-3-

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