mt46h32m16lf Micron Semiconductor Products, mt46h32m16lf Datasheet - Page 57

• Manufacturer Part Number: mt46h32m16lf
• Description: 512mb X16, X32 Mobile Ddr Sdram
• Manufacturer: Micron Semiconductor Products

Figure 20:
PDF: 09005aef82ce3074/Source: 09005aef82ce20c9
ddr_mobile_sdram_cmd_op_timing_dia_fr3.08__3.fm - Rev. D 05/08 EN
DQ8–DQ15 and UDQS, collectively
DQ0–DQ7 and LDQS, collectively
DQ (First data no longer valid)
DQ (First data no longer valid)
DQ (First data no longer valid)
DQ (First data no longer valid)
Data Output Timing –
DQ (Last data valid)
DQ (Last data valid)
DQ (Last data valid)
DQ (Last data valid)
Notes:
1. DQ transitioning after DQS transitions define the
2. DQ0, DQ1, DQ2, DQ3, DQ4, DQ5, DQ6, or DQ7.
3.
4.
5.
6. The data valid window is derived for each DQS transitions and is defined as
7. DQ8, DQ9, DQ10, DQ11, DQ12, DQ13, DQ14, or DQ15.
UDQS
LDQS
CK#
byte and UDQS defines the upper byte.
t
DQS transition and ends with the last valid DQ transition.
t
t
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQSQ is derived at each DQS clock edge and is not cumulative over time and begins with
QH is derived from
HP is the lesser of
CK
1
1
2
2
2
2
2
2
2
7
7
7
7
7
7
7
2
7
2
2
6
7
7
6
T1
t
t HP
DQSQ,
5
t
CL or
t
t
t HP
QH, and Data Valid Window (x16)
HP:
5
t DQSQ
t QH
t
t
QH =
CH clock transition collectively when a bank is active.
t DQSQ
T2
4
t QH
Data valid
3
57
window
Data valid
T2
T2
T2
4
window
t HP
t
3
HP -
T2
T2
T2
5
t DQSQ
T2n
t
t QH
QHS.
t DQSQ
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Data valid
t QH
4
window
3
t HP
T2n
T2n
Data valid
T2n
4
window
3
5
T2n
T2n
T2n
T3
t DQSQ
t QH
t
DQSQ window. LDQS defines the lower
t DQSQ
4
t QH
t HP
Data valid
3
window
Data valid
5
4
window
T3
T3
T3
3
T3
T3
T3
T3n
t DQSQ
t DQSQ
t HP
t QH
t QH
Mobile DDR SDRAM
©2007 Micron Technology, Inc. All rights reserved
5
Data valid
4
4
Data valid
window
3
3
window
T3n
T3n
T4
T3n
T3n
T3n
T3n
t
Operations
QH -
t
DQSQ.