MT46V64M8P-6IT:D Micron Technology Inc, MT46V64M8P-6IT:D Datasheet - Page 70

• Manufacturer Part Number: MT46V64M8P-6IT:D
• Manufacturer: Micron Technology Inc

Specifications of MT46V64M8P-6IT:D

• Lead Free Status / RoHS Status: Compliant

Figure 35:
PDF: 09005aef80a1d9d4/Source: 09005aef82a95a3a
DDR_x4x8x16_Core2.fm - 512Mb DDR: Rev. N; Core DDR Rev. B 2/09 EN
x4, x8 Data Output Timing –
Notes:
DQ (first data no longer valid)
DQ (first data no longer valid)
1.
2.
3. DQ transitioning after DQS transition define the
4. For a x4, only two DQ apply.
5.
6. The data valid window is derived for each DQS transitions and is defined as
All DQ and DQS collectively
t
t
transition, and ends with the last valid DQ transition.
T2n are an “early DQS”; at T3, a “nominal DQS”; and at T3n, a “late DQS”.
t
HP is the lesser of
DQSQ is derived at each DQS clock edge, is not cumulative over time, begins with DQS
QH is derived from
DQ (last data valid)
DQ (last data valid)
DQS
DQ 4
DQ 4
DQ 4
DQ 4
DQ 4
DQ 4
CK#
CK
Earliest signal transition
3
6
Latest signal transition
T1
t
t
DQSQ,
CL or
t
HP:
t HP 1
t
t
QH =
CH clock transition collectively when a bank is active.
t
70
QH, and Data Valid Window
t
HP -
t HP 1
t DQSQ 2
t QH 5
t
QHS.
Micron Technology, Inc., reserves the right to change products or specifications without notice.
T2
window
Data
valid
T2
T2
T2
t HP 1
512Mb: x4, x8, x16 DDR SDRAM
T2n
t DQSQ 2
t
t QH 5
DQSQ window. DQS transitions at T2 and
window
t HP 1
T2n
T2n
Data
valid
T2n
T3
t QH 5
t DQSQ 2
©2000 Micron Technology, Inc. All rights reserved.
t HP 1
window
Data
valid
T3
T3
T3
T3n
t DQSQ 2
t QH 5
t HP 1
Operations
t
QH -
T4
window
T3n
T3n
Data
valid
t
T3n
DQSQ.