PD45128168G5-A10-9JF View Datasheet(PDF) - Elpida Memory, Inc
Part Name
Description
View to exact match
PD45128168G5-A10-9JF Datasheet PDF : 92 Pages
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µPD45128441, 45128841, 45128163
Asynchronous Characteristics
Parameter
Symbol -A75A
-A 75
-A 80
-A 10
Unit Note
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
ACT to REF/ACT command period (operation) tRC 60
67.5
70
70
ns
REF to REF/ACT command period (refresh)
tRC1
60
67.5
70
70
ns
ACT to PRE command period
tRAS 45 120,000 45 120,000 48 120,000 50 120,000 ns
PRE to ACT command period
tRP
15
20
20
20
ns
Delay time ACT to READ/WRITE command
tRCD
15
20
20
20
ns
ACT (one) to ACT (another) command period tRRD 15
15
16
20
ns
Data-in to PRE command period
tDPL
8
8
8
10
ns
Data-in to ACT (REF)
command period
(Auto precharge)
/CAS latency = 3 tDAL3
/CAS latency = 2 tDAL2
Mode register set cycle time
tRSC
1CLK
+22.5
1CLK
+20
2
1CLK
+22.5
1CLK
+20
2
1CLK
+20
1CLK
+20
2
1CLK
+20
1CLK
+20
2
ns
1
ns
CLK
Transition time
tT 0.5 30 0.5 30 0.5 30
1
30 ns
Refresh time (4,096 refresh cycles)
tREF
64
64
64
64 ms
Note 1. The –A75A and –A75 grade device can satisfy the tDAL3 spec of 1CLK+20 ns for up to and including 125MHz
operation.
38
Data Sheet E0031N30
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