IS43DR16640A-25DBLI ISSI, Integrated Silicon Solution Inc, IS43DR16640A-25DBLI Datasheet - Page 21
IS43DR16640A-25DBLI
Manufacturer Part Number
IS43DR16640A-25DBLI
Description
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
DDR2 SDRAMr
Datasheet
1.IS43DR16640A-25DBLI.pdf
(28 pages)
Specifications of IS43DR16640A-25DBLI
Organization
64Mx16
Density
1Gb
Address Bus
16b
Access Time (max)
400ps
Maximum Clock Rate
800MHz
Operating Supply Voltage (typ)
1.8V
Package Type
FBGA
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
1.9V
Operating Supply Voltage (min)
1.7V
Pin Count
84
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IS43DR16640A-25DBLI
Manufacturer:
ISSI
Quantity:
126
IS43/46DR81280A, IS43/46DR16640A
AC Characteristics
(AC Operating Conditions Unless Otherwise Noted)
Integrated Silicon Solution, Inc. – www.issi.com –
Rev. 00D, 8/17/2010
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)
tCK7 (CL=7)
tFAW(x16)
tRRD(x16)
tFAW(x8)
tRRD(x8)
Symbol
tDQSCK
tDQSQ
tJITcc
tRCD
tCCD
tQHS
tRAS
tDAL
tRFC
tWR
tQH
tCH
tAC
tHP
tRC
tRP
tCL
127.5
‐0.45
37.5
3.75
0.45
0.45
DDR2‐533C
Min
‐0.5
7.5
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
37.5
3.75
0.48
0.48
Min
‐0.4
7.5
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
7.5
2.5
60
45
15
10
35
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
7.5
2.5
2.5
45
10
35
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
ns
ns
ns
ps
ns
ns
ns
ns
ps
ns
Notes
11
21
20
12
2
2
2
5
21