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Electrical Characteristics and AC Operating Conditions
Table 56: Electrical Characteristics and AC Operating Conditions
Notes 1–8 apply to the entire table
Parameter
Symbol
DDR3-800
DDR3-1066
DDR3-1333
DDR3-1600
Units Notes
Min
Max
Min
Max
Min
Max
Min
Max
Clock Timing
Clock period average:
DLL disable mode
TC = 0°C to 85°C
tCKdll_dis
8
7800
8
7800
8
7800
8
7800
ns
TC = >85°C to 95°C
8
3900
8
3900
8
3900
8
3900
ns
Clock period average: DLL enable mode
tCK (AVG)
ns
High pulse width average
tCH (AVG)
0.47
0.53
0.47
0.53
0.47
0.53
0.47
0.53
CK
Low pulse width average
tCL (AVG)
0.47
0.53
0.47
0.53
0.47
0.53
0.47
0.53
CK
Clock period jitter
DLL locked
tJITper
–100
100
–90
90
–80
80
–70
70
ps
DLL locking
tJITper, lck
–90
90
–80
80
–70
70
–60
60
ps
Clock absolute period
tCK(ABS) MIN = tCK (AVG) MIN + tJITper MIN; MAX = tCK (AVG) MAX + tJITper MAX
ps
Clock absolute high pulse width
tCH (ABS)
0.43
–
0.43
–
0.43
–
0.43
–
tCK
(AVG)
Clock absolute low pulse width
tCL (ABS)
0.43
–
0.43
–
0.43
–
0.43
–
tCK
(AVG)
Cycle-to-cycle jitter
DLL locked
tJITcc
200
180
160
140
ps
DLL locking
tJITcc, lck
180
160
140
120
ps
Cumulative error across 2 cycles
tERR2per
–147
147
–132
132
–118
118
–103
103
ps
3 cycles
tERR3per
–175
175
–157
157
–140
140
–122
122
ps
4 cycles
tERR4per
–194
194
–175
175
–155
155
–136
136
ps
5 cycles
tERR5per
–209
209
–188
188
–168
168
–147
147
ps
6 cycles
tERR6per
–222
222
–200
200
–177
177
–155
155
ps
7 cycles
tERR7per
–232
232
–209
209
–186
186
–163
163
ps
8 cycles
tERR8per
–241
241
–217
217
–193
193
–169
169
ps
9 cycles
tERR9per
–249
249
–224
224
–200
200
–175
175
ps
10 cycles
tERR10per
–257
257
–231
231
–205
205
–180
180
ps
11 cycles
tERR11per
–263
263
–237
237
–210
210
–184
184
ps
12 cycles
tERR12per
–269
269
–242
242
–215
215
–188
188
ps
n = 13, 14 . . . 49, 50
cycles
tERRNper
tERRnper MIN = (1 + 0.68ln[n]) × tJITper MIN
tERRnper MAX = (1 + 0.68ln[n]) × tJITper MAX
ps
2Gb:
x4,
x8,
x16
DDR3
SDRAM
Electrical
Characteristics
and
AC
Operating
Conditions
PDF:
09005aef826aaadc
2Gb_DDR3_SDRAM.pdf
–
Rev.
K
04/10
EN
78
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Technology,
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2006
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