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W972GG6JB
3. KEY PARAMETERS
SPEED GRADE
DDR2-1066
DDR2-800
DDR2-667
SYM.
Bin(CL-tRCD-tRP)
Part Number Extension
7-7-7
-18
5-5-5/6-6-6
-25/25I/25A/25K
5-5-5
-3/-3A
@CL = 7
@CL = 6
Min.
Max.
Min.
Max.
1.875 nS
7.5 nS
2.5 nS
7.5 nS
?
?
2.5 nS
8 nS
?
?
?
?
t CK(avg)
Average clock period
@CL = 5
@CL = 4
@CL = 3
Min.
Max.
Min.
Max.
Min.
Max.
3 nS
7.5 nS
3.75 nS
7.5 nS
?
?
2.5 nS
8 nS
3.75 nS
8 nS
5 nS
8 nS
3 nS
8 nS
3.75 nS
8 nS
5 nS
8 nS
t RCD
Active to Read/Write Command Delay Time
-40°C ≤ T CASE ≤ 85°C
Min.
13.125 nS
? * 2
12.5 nS
7.8 μ S* 2, 3
15 nS
7.8 μ S* 2, 3
t REFI
Average periodic
refresh Interval
0°C ≤ T CASE ≤ 85°C
85°C < T CASE ≤ 95°C
Max.
7.8 μ S* 1
3.9 μ S* 4
7.8 μ S* 1
3.9 μ S* 4
7.8 μ S* 1
3.9 μ S* 4
95°C < T CASE ≤ 105°C
? * 6
3.9 μ S* 5
? * 6
t RP
t RC
t RAS
I DD0
I DD1
I DD4R
I DD4W
I DD5B
I DD6
I DD7
Precharge to Active Command Period
Active to Ref/Active Command Period
Active to Precharge Command Period
Operating one bank active-precharge current
Operating one bank active-read-precharge
current
Operating burst read current
Operating burst write current
Burst refresh current
Self refresh current (T CASE ≤ 85°C)
Operating bank interleave read current
Min.
Min.
Min.
Max.
Max.
Max.
Max.
Max.
Max.
Max.
13.125 nS
58.125 nS
45 nS
90 mA
96 mA
195 mA
155 mA
175 mA
12 mA
310 mA
12.5 nS
57.5 nS
45 nS
83 mA
91 mA
170 mA
150 mA
160 mA
12 mA
250 mA
15 nS
60 nS
45 nS
80 mA
86 mA
155 mA
140 mA
150 mA
12 mA
220 mA
Notes:
1.
2.
3.
4.
All speed grades support 0°C ≤ T CASE ≤ 85°C with full JEDEC AC and DC specifications.
For -18, -25 and -3 speed grades, -40°C ≤ T CASE < 0°C is not available.
25I, 25A, 25K and -3A speed grades support -40°C ≤ T CASE ≤ 85°C with full JEDEC AC and DC specifications.
For all speed grade parts, T CASE is able to extend to 95°C with doubling Auto Refresh commands in frequency to a 32 mS
period ( t REFI = 3.9 μS) and to enter to Self Refresh mode at this high temperature range via A7 "1" on EMR (2).
5. For 25K automotive speed grade, T CASE is able to extend to 105°C with doubling Auto Refresh commands in frequency to a
32 mS period ( t REFI = 3.9 μS) and to enter to Self Refresh mode at this high temperature range via A7 "1" on EMR (2).
6. For -18, -25, 25I, 25A, -3 and -3A speed grades, 95°C < T CASE ≤ 105°C is not available.
Publication Release Date: Nov. 29, 2011
-5-
Revision A02
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