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TB-KU-xxx-ACDC8K Hardware User Manual
76
Rev. 1.03
7.5. DDR4 SDRAM
This TB-KU-xxx-ACDC8K development board includes 8 DDR4 SDRAM memory components (Micron
EDY4016AABG-DR-F). Control and address signals are wired in a fly-by routing topology.
DDR4 SDRAM
Capacity: 4Gbit (32M words x 16 bits x 8) x 8 components
Address Bus: 15bit (Row Address: 15bit, Column Address: 10bit)
Bank Address: 2bit
Bank Group: 1bit
Data Bus: Byte access with data strobe (DQS), Data Mask for each byte.
DDR4 SDRAM(4Gbit)
(U10)
DDR4 SDRAM(4Gbit)
(U9)
DQU[7:0],DQL[7:0],DQSU,/DQSU,
DQSL,/DQSL,DMU,DML
DDR4 SDRAM(4Gbit)
(U7)
DDR4 SDRAM(4Gbit)
(U8)
HP
Bank68
HP
Bank67
HP
Bank66
FPGA
DQU[7:0],DQL[7:0],DQSU,/DQSU
,DQSL,/DQSL,DMU,DML
DQU[7:0],DQL[7:0],DQSU,/DQSU
,DQSL,/DQSL,DMU,DML
DQU[7:0],DQL[7:0],DQSU,/DQSU
,DQSL,/DQSL,DMU,DML
Termination
DDR4 SDRAM(4Gbit)
(U14)
DDR4 SDRAM(4Gbit)
(U13)
DQU[7:0],DQL[7:0],DQSU,/DQSU,
DQSL,/DQSL,DMU,DML
A[13:0],BA[1:0],BG[0]CK,/CK,/CS,/RAS,/CAS,
CKE,/WE,/ODT,/RESET,
/ACT,PAR,TEN,/ALEAT
DDR4 SDRAM(4Gbit)
(U11)
DDR4 SDRAM(4Gbit)
(U12)
HP
Bank48
HP
Bank47
HP
Bank46
FPGA
DQU[7:0],DQL[7:0],DQSU,/DQSU
,DQSL,/DQSL,DMU,DML
DQU[7:0],DQL[7:0],DQSU,/DQSU
,DQSL,/DQSL,DMU,DML
DQU[7:0],DQL[7:0],DQSU,/DQSU
,DQSL,/DQSL,DMU,DML
Termination
A[13:0],BA[1:0],BG[0]CK,/CK,/CS,/RAS,/CAS,
CKE,/WE,/ODT,/RESET,
/ACT,PAR,TEN,/ALEAT
Figure 7-12 DDR4 SDRAM Structure