W986432AH Datasheet, PDF (13/44 Pages) Winbond – 512K x 4 BANKS x 32 BITS SDRAM

(2) A.C Latency Characteristics
CKE to clock disable (CKE Latency)
DQM to output to HI-Z (Read DQM Latency)
DQM to output to HI-Z (Write DQM Latency)
Write command to input data (W rite Data Latency)
CS to Command input ( CS Latency)
Precharge to DQ Hi-Z Lead time
Precharge to Last Valid data out
Bust Stop Command to DQ Hi-Z Lead time
Bust Stop Command to Last Valid Data out
Read with Auto-precharge Command to Active/Ref
Command
Write with Auto-precharge Command to Active/Ref
Command
W986432AH
CL = 2
CL = 3
CL = 2
CL = 3
CL = 2
CL = 3
CL = 2
CL = 3
CL = 2
CL = 3
CL = 2
CL = 3
1
2
0
0
0
2
3
1
2
2
3
1
2
BL + tRP
BL + tRP
BL + tRP
BL + tRP
Cycle
Cycle + nS
- 14 -