RAS Only Refresh Cycle
RAS
CAS
Address
tCRP(9)
tASR(10)
Row
tRAH(11)
Note: WE, OE = Don't care.
tRAS(3)
tRC(1)
CAS Before RAS Refresh Cycle
RAS
CAS
I/O 0 ~
I/O 3
tRP(2)
tRAS(3)
tRC(1)
tRPC(50)
tPC(44)
tCHR(49)
tCSR(48)
tOFF(23)
High-Z
Note: WE, OE, Address = Don't care.
A42U2604 Series
tRP(2)
tRPC(50)
: High or Low
tRP(2)
: High or Low
(September, 2003, Version 1.0)
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AMIC Technology, Corp.