313072-002 Datasheet, PDF (138/250 Pages) Intel Corporation – Advanced Memory Buffer

DDR MemBIST
11.5
11.5.1
MemBIST Implementation
MemBIST Block Diagram
Figure 11-6. MemBIST Block Diagram
GB MemBist Internal block diagram
mb_raddr/mb_caddr/mb_baddr/mb_cs
mbist_cmd_l[2:0]
mtr
drt/drc
mcre2mcmb_cntl_req
mcsr2mcmb_rst_req
mbcsr[31:0]
Command
Control
CS
FSM
Cycle
Tracker
Dataput
Generator
raddr/caddr/baddr
cs
mbcavail
mbstart
readcmd
writecmd
read_idle
write_idle
dataput
dcget
MemBist
Flow
Control
mbaddr[31:0]
mbcsr[31:0]
start_addr/end_addr
raddr/caddr/baddr
readcmd
writecmd
tstinit
Address
Generator
* Refresh logic is implemented outside
of MCMB block.
Rev 3.0 05/22/04
Embedded
Algorithm
rdstart/wrstart
tstcompare
tstdone
wrpattern
data_reset
Data
Tracker
mbdata[319:0]
mbcsr[31:0]
early_read_data[71:0]
late_read_data[71:0]
late_write_data[71:0]
early_write_data[71:0]
138
Intel® 6400/6402 Advanced Memory Buffer Datasheet