MT47H64M8CF-25E IT:G Micron Technology Inc, MT47H64M8CF-25E IT:G Datasheet - Page 111

• Manufacturer Part Number: MT47H64M8CF-25E IT:G
• Description: 64MX8 DDR2 SDRAM PLASTIC IND TEMP FBGA 1.8V
• Manufacturer: Micron Technology Inc

Figure 63: Bank Write – with Auto Precharge
PDF: 09005aef82f1e6e2
512MbDDR2.pdf - Rev. T 2/12 EN
DQS, DQS#
Command
Bank select
Address
DQ 6
CK#
CKE
A10
DM
CK
NOP 1
T0
Notes:
Bank x
ACT
RA
RA
T1
t CK
1. NOP commands are shown for ease of illustration; other commands may be valid at
2. BL = 4 and AL = 0 in the case shown.
3. Enable auto precharge.
4. WR is programmed via MR9–MR11 and is calculated by dividing
5. Subsequent rising DQS signals must align to the clock within
6. DI n = data-in from column n; subsequent elements are applied in the programmed or-
7.
8.
these times.
rounding up to the next integer value.
der.
t
t
DSH is applicable during
DSS is applicable during
t RCD
NOP 1
T2
t CH
t CL
WRITE 2
Bank x
Col n
3
T3
WL ± t DQSS (NOM)
WL = 2
NOP 1
t
111
T4
t
DQSS (MAX) and is referenced from CK T6 or T7.
DQSS (MIN) and is referenced from CK T5 or T6.
t WPRE
NOP 1
T5
DI
Micron Technology, Inc. reserves the right to change products or specifications without notice.
n
t RAS
512Mb: x4, x8, x16 DDR2 SDRAM
T5n
t DQSL t DQSH t WPST
NOP 1
5
T6
T6n
Transitioning Data
NOP 1
T7
t
DQSS.
2004 Micron Technology, Inc. All rights reserved.
t
WR (in ns) by
NOP 1
WR 4
T8
Don’t Care
NOP 1
t
T9
CK and
WRITE
t RP