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W97AH6KB Datasheet(PDF) 52 Page - Winbond

Part # W97AH6KB
Description  Four-bit prefetch DDR architecture
PDF  127 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W97AH6KB Datasheet(HTML) 52 Page - Winbond

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W97AH6KB / W97AH2KB
Publication Release Date: May 15, 2014
Revision: A01-001
- 52 -
7.4.16.6 All Bank Refresh Operation
T0
>=tRPab
Precharge
Nop
Nop
REFab
ANY
CA0-9
[Cmd]
AB
CK_t / CK_c
T1
T2
T3
T4
Tx
Tx+1
Ty
Ty+1
Nop
Nop
REFab
>=tRFCab
>=tRFCab
7.4.16.7 Per Bank Refresh Operation
CA0-9
[Cmd]
CK_t / CK_c
T0
T1
Tx
Tx+1
Tx+2
Ty
Ty+1
Tz
Tz+1
>=tRPab
>=tRFCpb
>=tRFCpb
Activate command to Bank 1
Refresh to Bank 1
Refresh to Bank 0
ACT
AB
Row A
Bank 1
Row A
REFpb
REFpb
NOP
NOP
Precharge
Notes:
1. In the beginning of this example, the REFpb bank is pointing to Bank 0.
2. Operations to other banks than the bank being refreshed are allowed during the tRFCpb period.



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