MB81EDS516545 Datasheet, PDF (56/60 Pages) Fujitsu Component Limited. – MEMORY Consumer FCRAM CMOS 512M Bit (4 bank x 2M word x 64 bit) Consumer Applications Specific Memory for SiP

MB81EDS516545
(20) Multi Bank Active to Read to Multi Bank Precharge*¹ (Assuming CL = 4, BL = 4)
CK
CK
CS
RAS
CAS
WE
BA
0
2
0
1
2
3
0
2
AP
RA
RA
Address
RA
RA
CA
CA
CA
CA
SA
DM
RDQS
WDQS
DQ
tRCD
CL^*2
tRRD
tRCD
MACT
MACT
Bank 0 & 1 Bank 2 & 3
READ*²
Bank 0
READ*²
Bank 1
Q0 Q1 Q2 Q3 Q0 Q1 Q2 Q3 Q0 Q1 Q2 Q3 Q0 Q1 Q2 Q3
tRAS
CL^*2
tRAS
READ*³
Bank 2
CL^*3
READ*³
Bank 3
CL^*3
MPRE
MPRE
Bank 0 & 1 Bank 2 & 3
Don’t care
*1: RA = Row Address, BA = Bank Address, CA = Column Address, AP = Auto Precharge
*2: If MACT command is issued to Bank 0, 1st READ command must be issued to Bank 0 followed by 2nd READ
command to Bank 1.
*3: If MACT command is issued to Bank 2, 1st READ command must be issued to Bank 2 followed by 2nd READ
command to Bank 3.
56
DS05-11463-1E