K4S56323PF-F(H)G/F
Mobile-SDRAM
OPERATING AC PARAMETER
(AC operating conditions unless otherwise noted)
Version
Parameter
Symbol
Unit
Note
-75
15
-90
-1L
18
27
27
50
Row active to row active delay
RAS to CAS delay
tRRD(min)
tRCD(min)
tRP(min)
18
ns
ns
1
1
1
1
22.5
22.5
50
24
Row precharge time
24
ns
tRAS(min)
tRAS(max)
tRC(min)
50
ns
Row active time
100
us
Row cycle time
72.5
74
77
ns
1
2
Last data in to row precharge
Last data in to Active delay
Last data in to new col. address delay
Last data in to burst stop
tRDL(min)
tDAL(min)
tCDL(min)
tBDL(min)
tARFC(min)
tSRFX(min)
tCCD(min)
15
ns
tRDL + tRP
-
1
1
CLK
CLK
ns
2
2
Auto refresh cycle time
80
120
1
Exit self refresh to active command
Col. address to col. address delay
ns
CLK
3
4
Number of valid output data
Number of valid output data
Number of valid output data
CAS latency=3
CAS latency=2
CAS latency=1
2
ea
1
-
0
NOTES:
1. The minimum number of clock cycles is determined by dividing the minimum time required with clock cycle time and then rounding off to the next
higher integer.
2. Minimum delay is required to complete write.
3. All parts allow every cycle column address change.
4. In case of row precharge interrupt, auto precharge and read burst stop.
7
September 2004