IS43DR16320B-25DBL

Manufacturer Part NumberIS43DR16320B-25DBL
ManufacturerISSI, Integrated Silicon Solution Inc
IS43DR16320B-25DBL datasheet
 

Specifications of IS43DR16320B-25DBL

Lead Free Status / Rohs StatusCompliant  
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IS43/46DR86400B, IS43/46DR16320B
AC Characteristics
(AC Operating Conditions Unless Otherwise Noted)
Parameter
Symbol
Row Cycle Time
Auto Refresh Row Cycle Time
Row Active Time
Row Actvie to Column Address
Delay
tRRD(x8)
Row Active to Row Active Delay
tRRD(x16)
Column Address to Column
Address Delay
Row Precharge Time
Write Recovery Time
Auto precharge Write recovery +
Precharge Time
tCK3 (CL=3)
tCK4 (CL=4)
Clock Cycle Time
tCK5 (CL=5)
tCK6 (CL=6)
Clock High Level Width
Clock Low Level Width
Cycle to cycle
Data-Out Edge to Clock Skew
Edge
DQS-Out Edge to Clock Skew
tDQSCK
Edge
DQS-Out Edge to Clock Skew
Edge
Data-Out Hold Time from DQS
Data Hold Skew Factor
Clock Half Period
Input Setup Time (fast slew rate)
Input Hold Time (fast slew rate)
Input Pulse Width
Write DQS High Level Width
Write DQS Low Level Width
CLK to First Rising Edge of DQS-
In
Data-In Setup Time to DQS-In
(DQ, DM)
Integrated Silicon Solution, Inc. – www.issi.com –
Rev. E, 01/17/2011
-5B
-37C
DDR2-400B
DDR2-533C
Min
Max
Min
Max
tRC
55
60
tRFC
105
105
tRAS
40
70K
45
70K
tRCD
15
15
7.5
7.5
10
10
tCCD
2
2
tRP
15
15
tWR
15
15
tDAL
Min = tWR+tRP, Max = n/a
5
8
5
8
5
8
3.75
8
5
8
3.75
8
5
8
3.75
8
tCH
0.45
0.55
0.45
0.55
tCL
0.45
0.55
0.45
0.55
tJITcc
250
250
tAC
-0.6
0.6
-0.5
0.5
-0.5
0.5
-0.45 0.45
tDQSQ
0.35
0.3
tQH
Min = tHP(min)-tQHS, Max = n/a
tQHS
450
400
tHP
Min = tCH(min)/tCL(min), Max = n/a
tIS
350
250
tIH
475
375
tIPW
0.6
0.6
tDQSH
0.35
0.35
tDQSL
0.35
0.35
tDQSS
Min = WL-0.25tCK, Max = WL+0.25tCK
tDS
150
100
-3D
-25E
-25D
DDR2-667D
DDR2-800E
DDR2-800D Units Notes
Min
Max
Min
Max
Min
60
60
57.25
105
105
105
45
70K
45
70K
45
15
15
12.5
7.5
7.5
7.5
10
10
10
2
2
2
15
15
15
15
15
15
5
8
5
8
5
3.75
8
3.75
8
3.75
3
8
3
8
2.5
3
8
2.5
8
2.5
0.45
0.55
0.45
0.55
0.45
0.45
0.55
0.45
0.55
0.45
250
200
200
-0.45 0.45
-0.4
0.4
-0.4
-0.4
0.4
-0.35 0.35
-0.35
0.24
0.2
340
300
200
175
175
275
250
250
0.6
0.6
0.6
0.35
0.35
0.35
0.35
0.35
0.35
50
50
50
Max
ns
ns
11
70K
ns
21
ns
20
ns
ns
tCK
ns
ns
ns
12
8
ns
2
8
ns
2
8
ns
2
8
ns
0.55
tCK
0.55
tCK
ps
0.4
ns
0.35
ns
0.2
ns
ns
300
ps
ns
5
ps
15,17
ps
15,17
tCK
tCK
tCK
tCK
ps
16,17,18
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