is43dr16128 Integrated Silicon Solution, Inc., is43dr16128 Datasheet - Page 20

• Manufacturer Part Number: is43dr16128
• Description: 2gb X16 Ddr2 Sdram
• Manufacturer: Integrated Silicon Solution, Inc.

IS43/46DR16128
AC Characteristics
(AC Operating Conditions Unless Otherwise Noted)
Integrated Silicon Solution, Inc. – www.issi.com –
Rev. 00B, 3/28/2011
Row Cycle Time
Auto Refresh Row
Cycle Time
Row Active Time
Row Active to
Column Address
Delay
Row Active to Row
Active Delay
Four Activate
Window
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
Cycle to cycle
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
Parameter
tCK3 (CL=3)
tCK4 (CL=4)
tCK5 (CL=5)
tCK6 (CL=6)
Symbol
tDQSCK
tDQSQ
tFAW
tJITcc
tRCD
tRRD
tCCD
tQHS
tRAS
tDAL
tRFC
tWR
tQH
tCH
tAC
tHP
tRC
tRP
tCL
127.5
‐0.45
3.75
0.45
0.45
DDR2‐533C
Min
‐0.5
60
45
15
10
50
15
15
2
5
‐37C
250
Max
0.55
0.55
0.45 ‐0.45 0.45
70K
400
0.4
0.3
8
8
Min = tCH(min)/tCL(min), Max = n/a
Min = tHP(min)‐tQHS, Max = n/a
127.5
DDR2‐667D
3.75
0.48
0.48
Min
‐0.4
Min = tWR+tRP, Max = n/a
60
45
15
10
50
15
15
2
5
3
‐3D
250
Max
0.52
0.52
0.24
70K
340
0.4
8
8
8
127.5
‐0.35 0.35 ‐0.35
3.75
0.48
0.48
Min
DDR2‐800E
‐0.4
2.5
60
45
15
10
45
15
15
2
3
‐25E
200
Max
0.52
0.52
70K
300
0.4
0.2
8
8
8
127.5
57.5
12.5
12.5
3.75
0.48
0.48
Min
DDR2‐800D
‐0.4
2.5
2.5
45
10
45
15
2
‐25D
200
Max
0.52
0.52
0.35
70K
300
0.4
0.2
8
8
8
Units
tCK
tCK
tCK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ns
ns
ns
ns
ps
ns
Notes
11
21
20
12
2
2
2
5
20