IS43DR16320B-25DBL

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

Specifications of IS43DR16320B-25DBL

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IS43/46DR86400B, IS43/46DR16320B
AC Characteristics
(AC Operating Conditions Unless Otherwise Noted)
Parameter
Symbol
Data-In Hold Time to DQS-In
(DQ, DM)
DQS falling edge from CLK rising
Setup Time
DQS falling edge from CLK rising
Hold Time
DQ & DM Pulse Width
Read DQS Preamble Time
Read DQS Postamble Time
Write DQS Preamble Setup Time
tWPRES
Write DQS Preamble Hold Time
tWPREH
Write DQS Postamble Time
Internal Read to Precharge
Command Delay
Internal Write to Read
Command Delay
Data-Out to High Impedance
from CK/CK#
Data-Out to Low Impedance
from CK/CK#
Mode Register Set Delay
Exit Self refresh to Non-Read
Command
Exit Self refresh to Read
Command
Exit Precharge Power Down to
any Non-Read Command
Exit Active Power Down to Read
Command
Exit Active Power Down to Read
tAXRDS
Command (slow exit, low power)
ODT Drive Mode Output Delay
Minimum time clocks remains
ON after CKE asynchronously
tDELAY
drops LOW
CKE minimum high and low
pulse width
Integrated Silicon Solution, Inc. – www.issi.com –
Rev. E, 01/17/2011
-5B
-37C
DDR2-400B
DDR2-533C
Min
Max
Min
Max
tDH
275
225
tDSS
0.2
0.2
tDSH
0.2
0.2
tDIPW
0.35
0.35
tRPRE
0.9
1.1
0.9
1.1
tRPST
0.4
0.6
0.4
0.6
0
0
0.25
0.25
tWPST
0.4
0.6
0.4
0.6
tRTP
7.5
7.5
tWTR
10
7.5
tHZ
Min = tAC(min), Max = tAC(max)
tLZ
Min = tAC(min), Max = tAC(max)
tMRD
2
2
tXSNR
Min = tRFC + 10, Max = n/a
tXSRD
200
200
tXP
2
2
tXARD
2
2
Min = 6-AL, Max = n/a
tOIT
0
12
0
12
Min = tIS+tCK+tIH, Max = n/a
tCKE
3
3
-3D
-25E
-25D
DDR2-667D
DDR2-800E
DDR2-800D Units Notes
Min
Max
Min
Max
Min
175
125
125
0.2
0.2
0.2
0.2
0.2
0.2
0.35
0.35
0.35
0.9
1.1
0.9
1.1
0.9
0.4
0.6
0.4
0.6
0.4
0
0
0
0.25
0.25
0.25
0.4
0.6
0.4
0.6
0.4
7.5
7.5
7.5
7.5
7.5
7.5
2
2
2
200
200
200
2
2
2
2
2
2
0
12
0
12
0
3
3
3
Max
ps
16,17,18
tCK
tCK
tCK
1.1
tCK
0.6
tCK
tCK
tCK
0.6
tCK
10
ns
ns
13
ns
7
ns
7
tCK
9
ns
19
tCK
tCK
14
tCK
tCK
12
ns
ns
tCK
23