HB52R329E22-F Datasheet, PDF (51/66 Pages) Elpida Memory – 256 MB Registered SDRAM DIMM 32-Mword × 72-bit, 100 MHz Memory Bus, 2-Bank Module (36 pcs of 16 M × 4 Components) PC100 SDRAM

HB52R329E22-F
Bank active command interval:
1. Same bank: The interval between the two bank-active commands must be no less than t_RC.
Bank Active to Bank Active for Same Bank
CK
Command
Address
BA
ACTV
ROW
ACTV
ROW
Bank 0
Active
t _RC
Bank 0
Active
2. In the case of different bank-active commands: The interval between the two bank-active commands must
be no less than t_RRD.
Bank Active to Bank Active for Different Bank
CK
Command
Address
ACTV
ROW:0
ACTV
ROW:1
BA
Bank 0
Active
t _RRD
Bank 3
Active
Data Sheet No. E0112H10
51