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W971GG6JB Datasheet, PDF (5/87 Pages) Winbond – 8M  8 BANKS  16 BIT DDR2 SDRAM
W971GG6JB
3. KEY PARAMETERS
SPEED GRADE
DDR2-1066 DDR2-800 DDR2-800 DDR2-667
SYM.
Bin(CL-tRCD-tRP)
6-6-6
5-5-5
5-5-5
5-5-5
Part Number Extension
-18
-25/25I/25A/25K 25L
-3
Min.
1.875 nS

@CL = 7
Max.
7.5 nS





@CL = 6
Min.
Max.
1.875 nS
7.5 nS
2.5 nS 2.5 nS

8 nS
8 nS

tCK(avg) Average clock period
@CL = 5
Min.
Max.
2.5 nS
7.5 nS
2.5 nS
8 nS
2.5 nS
8 nS
3 nS
8 nS
@CL = 4
Min.
Max.
3 nS
7.5 nS
3.75 nS
8 nS
3.75 nS
8 nS
3.75 nS
8 nS
Min.

@CL = 3
Max.

5 nS
8 nS
5 nS
8 nS
5 nS
8 nS
tRCD
tREFI
Active to Read/Write Command Delay Time
-40°C ≤ TCASE ≤ 85°C
Average periodic
refresh Interval
0°C ≤ TCASE ≤ 85°C
85°C < TCASE ≤ 95°C
95°C < TCASE ≤ 105°C
Min.
Max.
11.25 nS
*2
7.8 μS*1
3.9 μS*4
*6
12.5 nS
7.8 μS*2, 3
7.8 μS*1
3.9 μS*4
3.9 μS*5
12.5 nS
*2
7.8 μS*1
3.9 μS*4
*6
15 nS
*2
7.8 μS*1
3.9 μS*4
*6
tRP Precharge to Active Command Period
Min.
11.25 nS
12.5 nS 12.5 nS
15 nS
tRC Active to Ref/Active Command Period
Min.
51.25 nS
52.5 nS 52.5 nS
55 nS
tRAS Active to Precharge Command Period
Min.
40 nS
40 nS
40 nS
40 nS
IDD0 Operating one bank active-precharge current
Max.
85 mA
80 mA 80 mA 75 mA
IDD1 Operating one bank active-read-precharge current Max.
90 mA
85 mA 85 mA 80 mA
IDD2P Precharge power-down current
Max.
10 mA
10 mA
7 mA 10 mA
IDD4R Operating burst read current
Max.
155 mA
130 mA 130 mA 120 mA
IDD4W Operating burst write current
Max.
160 mA
135 mA 135 mA 125 mA
IDD5B Burst refresh current
Max.
145 mA
130 mA 130 mA 120 mA
IDD6 Self refresh current (TCASE ≤ 85C)
Max.
10 mA
10 mA
4 mA 10 mA
IDD7 Operating bank interleave read current
Max.
285 mA
225 mA 225 mA 195 mA
Notes:
1. All speed grades support 0°C ≤ TCASE ≤ 85°C with full JEDEC AC and DC specifications.
2. For -18, -25, 25L and -3 speed grades, -40°C ≤ TCASE < 0°C is not available.
3. 25I, 25A and 25K speed grades support -40°C ≤ TCASE ≤ 85°C with full JEDEC AC and DC specifications.
4. For all speed grade parts, TCASE is able to extend to 95°C with doubling Auto Refresh commands in frequency to a 32 mS
period ( tREFI = 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, TCASE is able to extend to 105°C with doubling Auto Refresh commands in frequency to a
32 mS period ( tREFI = 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, 25L, 25I, 25A and -3 speed grades, 95°C < TCASE ≤ 105°C is not available.
Publication Release Date: Nov. 18, 2011
-5-
Revision A08