AD6624
TIMING DIAGRAMS—INM MICROPORT MODE
TIMING DIAGRAMS—MNM MICROPORT MODE
CLK
CLK
tHC
tSC
tHDS
RD (DS)
tHC
DS (RD)
tHWR
tSC
tHRW
WR (RW)
RW (WR)
CS
CS
tHAM
VALID ADDRESS
tSAM
tHAM
VALID ADDRESS
tSAM
A[2:0]
D[7:0]
A[2:0]
D[7:0]
tHAM
VALID DATA
tDRDY
tSAM
tHAM
tSAM
VALID DATA
tDDTACK
RDY
(DTACK)
DTACK
(RDY)
tACC
tACC
NOTES
NOTES
1. tACC ACCESSTIME DEPENDS ONTHE ADDRESS ACCESSED. ACCESSTIME IS
MEASURED FROM FE OF WR TOTHE RE OF RDY.
2. tACC REQUIRES A MAXIMUM 9 CLK PERIODS.
1. tACC ACCESSTIME DEPENDS ONTHE ADDRESS ACCESSED. ACCESSTIME IS
MEASURED FROM FE OF DS TOTHE FE OF DTACK.
2. tACC REQUIRES A MAXIMUM 9 CLK PERIODS.
Figure 14. INM Microport Write Timing Requirements
Figure 16. MNM Microport Write Timing Requirements
CLK
CLK
tHC
tSC
tHC
tSC
RD (DS)
tHDS
RD (DS)
WR (RW)
WR (RW)
CS
CS
tSAM
A[2:0]
tSAM
VALID ADDRESS
tDD
A[2:0]
D[7:0]
VALID ADDRESS
tHAM
VALID DATA
tZD
tZD
tDD
D[7:0]
tZD
tHAM
tZD
VALID DATA
tDRDY
RDY
(DTACK)
tDDTACK
tACC
DTACK
(RDY)
tACC
NOTES
1. tACC ACCESSTIME DEPENDS ONTHE ADDRESS ACCESSED. ACCESS
TIME IS MEASURED FROM FE OF WR TOTHE RE OF RDY.
2. tACC REQUIRES A MAXIMUM OF 13 CLK PERIODS AND APPLIESTO
A[2:0] = 7, 6, 5, 3, 2, 1
NOTES
1. tACC ACCESSTIME DEPENDS ONTHE ADDRESS ACCESSED. ACCESSTIME IS
MEASURED FROM FE OF DS TOTHE FE OF DTACK.
2. tACC REQUIRES A MAXIMUM 13 CLK PERIODS.
Figure 15. INM Microport Read Timing Requirements
Figure 17. MNM Microport Read Timing Requirements
–8–
REV. B