參數(shù)資料
型號(hào): K4T1G164QA-ZCE6
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 1Gb A-die DDR2 SDRAM Specification
中文描述: 1GB的芯片DDR2內(nèi)存規(guī)格
文件頁(yè)數(shù): 24/28頁(yè)
文件大?。?/td> 612K
代理商: K4T1G164QA-ZCE6
Page 24 of 28
Rev. 1.1 Aug. 2005
DDR2 SDRAM
1G A-die DDR2 SDRAM
18. tIS and tIH (input setup and hold) derating.
For all input signals the total tIS (setup time) and tIH(hold time) required is calculated by adding the datasheet tIS(base) and tIH(base) value to the delta
tIS and delta tIH derating value respectively. Example: tIS(total setup time)= tIS(base) + delta tIS.
tIS,
tIH Derating Values for DDR2-400, DDR2-533
CK, CK Differential Slew Rate
2.0 V/ns
1.5 V/ns
1.0 V/ns
Units
Notes
tIS
tIH
tIS
tIH
tIS
tIH
Command/
Address Slew
rate(V/ns)
4.0
+187
+94
+217
+124
+247
+154
ps
1
3.5
+179
+89
+209
+119
+239
+149
ps
1
3.0
+167
+83
+197
+113
+227
+143
ps
1
2.5
+150
+75
+180
+105
+210
+135
ps
1
2.0
+125
+45
+155
+75
+185
+105
ps
1
1.5
+83
+21
+113
+51
+143
+81
ps
1
1.0
0
0
+30
+30
+60
+60
ps
1
0.9
-11
-14
+19
+16
+49
+46
ps
1
0.8
-25
-31
+5
-1
+35
+29
ps
1
0.7
-43
-54
-13
-24
+17
+6
ps
1
0.6
-67
-83
-37
-53
-7
-23
ps
1
0.5
-110
-125
-80
-95
-50
-65
ps
1
0.4
-175
-188
-145
-158
-115
-128
ps
1
0.3
-285
-292
-255
-262
-225
-232
ps
1
0.25
-350
-375
-320
-345
-290
-315
ps
1
0.2
-525
-500
-495
-470
-465
-440
ps
1
0.15
-800
-708
-770
-678
-740
-648
ps
1
tIS and
tIH Derating Values for DDR2-667, DDR2-800
CK, CK Differential Slew Rate
2.0 V/ns
1.5 V/ns
1.0 V/ns
Units
Notes
tIS
tIH
tIS
tIH
tIS
tIH
Command/
Address Slew
rate(V/ns)
4.0
+150
+94
+180
+124
+210
+154
ps
1
3.5
+143
+89
+173
+119
+203
+149
ps
1
3.0
+133
+83
+163
+113
+193
+143
ps
1
2.5
+120
+75
+150
+105
+180
+135
ps
1
2.0
+100
+45
+130
+75
+160
+105
ps
1
1.5
+67
+21
+97
+51
+127
+81
ps
1
1.0
0
0
+30
+30
+60
+60
ps
1
0.9
-5
-14
+25
+16
+55
+46
ps
1
0.8
-13
-31
+17
-1
+47
+29
ps
1
0.7
-22
-54
+8
-24
+38
+6
ps
1
0.6
-34
-83
-4
-53
+26
-23
ps
1
0.5
-60
-125
-30
-95
0
-65
ps
1
0.4
-100
-188
-70
-158
-40
-128
ps
1
0.3
-168
-292
-138
-262
-108
-232
ps
1
0.25
-200
-375
-170
-345
-140
-315
ps
1
0.2
-325
-500
-295
-470
-265
-440
ps
1
0.15
-517
-708
-487
-678
-457
-648
ps
1
0.1
-1000
-1125
-970
-1095
-940
-1065
ps
1
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