W632GU8KB Datasheet, PDF (141/160 Pages) Winbond – 32M X 8 BANKS X 8 BIT DDR3L SDRAM

W632GU8KB
10.16.2 AC Timing and Operating Condition for -12/12I/-15/15I speed grades
SYMBOL
Common Notes
Clock Input Timing
SPEED GRADE
PARAMETER
DDR3L-1600
(-12/12I)
MIN. MAX.
DDR3L-1333
(-15/15I)
MIN. MAX.
UNITS NOTES
1, 2, 3, 4
tCK(DLL-off) Minimum clock cycle time (DLL-off mode)
8

8

nS
45
tCK(avg) Average Clock Period
See “Speed Bin” on See “Speed Bin” on
page 134
page 133
pS
tCH(avg) Average CK/CK# high pulse width
0.47
0.53
0.47
0.53 tCK(avg)
tCL(avg) Average CK/CK# low pulse width
0.47
0.53
0.47
0.53 tCK(avg)
tCK(abs) Absolute Clock Period
Min.: tCK(avg)min + tJIT(per)min
Max.: tCK(avg)max + tJIT(per)max
pS
37
tCH(abs) Absolute CK/CK# high pulse width
0.43

0.43

tCK(avg) 38
tCL(abs) Absolute CK/CK# low pulse width
0.43

0.43

tCK(avg) 39
tJIT(per) Clock Period Jitter
-70
70
-80
80
pS
tJIT(per,lck) Clock Period Jitter during DLL locking period
-60
60
-70
70
pS
tJIT(cc) Cycle to Cycle Period Jitter
140
160
pS
tJIT(cc,lck)
Cycle to Cycle Period Jitter during DLL locking
period
120
140
pS
tJIT(duty) Clock Duty Cycle Jitter
Already included in tCH(abs) and tCL(abs)
pS
tERR(2per) Cumulative error across 2 cycles
-103
103
-118
118
pS
tERR(3per) Cumulative error across 3 cycles
-122
122
-140
140
pS
tERR(4per) Cumulative error across 4 cycles
-136
136
-155
155
pS
tERR(5per) Cumulative error across 5 cycles
-147
147
-168
168
pS
tERR(6per) Cumulative error across 6 cycles
-155
155
-177
177
pS
tERR(7per) Cumulative error across 7 cycles
-163
163
-186
186
pS
tERR(8per) Cumulative error across 8 cycles
-169
169
-193
193
pS
tERR(9per) Cumulative error across 9 cycles
-175
175
-200
200
pS
tERR(10per) Cumulative error across 10 cycles
-180
180
-205
205
pS
tERR(11per) Cumulative error across 11 cycles
-184
184
-210
210
pS
tERR(12per) Cumulative error across 12 cycles
-188
188
-215
215
pS
tERR(nper)
Cumulative error across n = 13, 14...49, 50
cycles
Min.: tJIT(per)min * (1 + 0.68 * ln(n))
Max.: tJIT(per)max * (1 + 0.68 * ln(n))
pS
7
- 141 -
Publication Release Date: Jan. 20, 2015
Revision: A05