is43dr16320b Lattice Semiconductor Corp., is43dr16320b Datasheet - Page 23

• Manufacturer Part Number: is43dr16320b
• Description: 512mb X8, X16 Ddr2 Sdram
• Manufacturer: Lattice Semiconductor Corp.

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