is43dr16320b-3dbi Integrated Silicon Solution, Inc., is43dr16320b-3dbi Datasheet - Page 21

• Manufacturer Part Number: is43dr16320b-3dbi
• Description: 512mb X8, X16 Ddr2 Sdram
• Manufacturer: Integrated Silicon Solution, Inc.

IS43DR86400B, IS43/46DR16320B
AC Characteristics
(AC Operating Conditions Unless Otherwise Noted)
Row Cycle Time
Auto Refresh Row Cycle Time
Row Active Time
Row Actvie to Column Address
Delay
Row Active to Row Active Delay
Column Address to Column
Address Delay
Row Precharge Time
Write Recovery Time
Auto precharge Write recovery +
Precharge Time
Clock Cycle Time
Clock High Level Width
Clock Low Level Width
Data‐Out Edge to Clock Skew
Edge
DQS‐Out Edge to Clock Skew
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. 00B, 12/11/2009
Parameter
tRRD(x16)
tCK3 (CL=3)
tCK4 (CL=4)
tCK5 (CL=5)
tCK6 (CL=6)
tRRD(x8)
Symbol
tDQSCK
tDQSQ
tDQSH
tDQSL
tDQSS
tRCD
tCCD
tQHS
tRAS
tDAL
tIPW
tRFC
tWR
tQH
tCH
tAC
tHP
tRC
tRP
tDS
tCL
tIH
tIS
0.45 0.55 0.45 0.55 0.45 0.55 0.45 0.55 0.45 0.55 tCK
0.45 0.55 0.45 0.55 0.45 0.55 0.45 0.55 0.45 0.55 tCK
0.35
0.35
DDR2‐400B
Min Max Min Max Min Max Min Max Min Max
‐0.6
‐0.5
105
350
475
150
7.5
0.6
55
40
15
10
15
15
2
5
5
5
5
‐5B
0.35
70K
450
0.6
0.5 ‐0.45 0.45
8
8
8
8
3.75
3.75
3.75
0.35
0.35
DDR2‐533C
‐0.5
105
250
375
100
7.5
0.6
60
45
15
10
15
15
Min = WL‐0.25tCK, Max = WL+0.25tCK
2
5
Min = tCH(min)/tCL(min), Max = n/a
‐37C
Min = tHP(min)‐tQHS, Max = n/a
Min = tWR+tRP, Max = n/a
70K
400
0.5
0.3
8
8
8
8
‐0.45 0.45
DDR2‐667D
3.75
0.35
0.35
‐0.4
105
200
275
7.5
0.6
60
45
15
10
15
15
50
2
5
3
3
‐3D
0.24
70K
340
0.4
8
8
8
8
‐0.35 0.35 ‐0.35 0.35
3.75
0.35
0.35
DDR2‐800E
‐0.4
105
175
250
7.5
2.5
0.6
60
45
15
10
15
15
50
2
5
3
‐25E
70K
300
0.4
0.2
8
8
8
8
57.25
DDR2‐800D
12.5
3.75
0.35
0.35
‐0.4
105
175
250
7.5
2.5
2.5
0.6
45
10
15
15
50
5
2
‐25D
70K
300
0.4
0.2
8
8
8
8
Units Notes
tCK
tCK
tCK
tCK
tCK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ns
ps
ps
ps 16,17,18
15,17
15,17
11
21
20
12
21
2
2
2
5