k4t51043qc-zle7 Samsung Semiconductor, Inc., k4t51043qc-zle7 Datasheet - Page 25
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k4t51043qc-zle7
Manufacturer Part Number
k4t51043qc-zle7
Description
512mb C-die Ddr2 Sdram
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.K4T51043QC-ZLE7.pdf
(29 pages)
18. tIS and tIH (input setup and hold) derating.
512Mb C-die DDR2 SDRAM
Command/Ad-
Command/Ad-
dress Slew
dress Slew
(V/ns)
(V/ns)
rate
rate
0.25
0.15
0.25
0.15
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
-1000
+187
+179
+167
+150
+125
+150
+143
+133
+120
+100
-110
-175
-285
-350
-525
-800
-100
-168
-200
-325
-517
'tIS
'tIS
+83
+67
-25
-43
-67
-13
-22
-34
-60
-11
-5
0
0
2.0 V/ns
2.0 V/ns
'tIS and 'tIH Derating Values for DDR2-667, DDR2-800
-1125
-125
-188
-292
-500
-708
-125
-188
-292
-500
-708
'tIH
'tIH
+94
+89
+83
+75
+45
+21
-375
+94
+89
+83
+75
+45
+21
-375
-14
-31
-54
-83
-14
-31
-54
-83
tIS, tIH Derating Values for DDR2-400, DDR2-533
0
0
CK,CK Differential Slew Rate
CK,CK Differential Slew Rate
+217
+209
+197
+180
+155
+180
+173
+163
+150
+130
+113
-145
-255
-320
-495
-770
-138
-170
-295
-487
-970
'tIS
'tIS
+30
+19
+97
+30
+25
+17
-13
-37
-80
-30
-70
+5
+8
-4
Page 25 of 29
1.5 V/ns
1.5 V/ns
-1095
+124
+119
+113
+105
+124
+119
+113
+105
-158
-262
-345
-470
-678
'tIH
-158
-262
-345
-470
-678
'tIH
+75
+51
+30
+16
+75
+51
+30
+16
-24
-53
-95
-24
-53
-95
-1
-1
+247
+239
+227
+210
+185
+143
+210
+203
+193
+180
+160
+127
-115
-225
-290
-465
-740
-108
-140
-265
-457
-940
'tIS
'tIS
+60
+49
+35
+17
+60
+55
+47
+38
+26
-40
-50
-7
0
1.0 V/ns
1.0 V/ns
-1065
+154
+149
+143
+135
+105
+154
+149
+143
+135
+105
'tIH
-128
-232
-315
-440
-648
'tIH
-128
-232
-315
-440
-648
+81
+60
+46
+29
+81
+46
+29
-23
-65
-23
-65
60
+6
+6
DDR2 SDRAM
Rev. 1.4 Aug. 2005
Units
Units
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
Notes
Notes
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1