参数资料
型号: MT46V32M4TG-75ZL
厂商: Micron Technology, Inc.
英文描述: DOUBLE DATA RATE DDR SDRAM
中文描述: 双倍数据速率的DDR SDRAM内存
文件页数: 57/68页
文件大小: 2547K
代理商: MT46V32M4TG-75ZL
57
128Mb: x4, x8, x16 DDR SDRAM
128Mx4x8x16DDR_C.p65
Rev. C; Pub. 4/01
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
128Mb: x4, x8, x16
DDR SDRAM
PRELIMINARY
Figure 29A - x16
Data Output Timing
t
DQSQ,
t
QH and Data Valid Window
DQ (Last data valid)
2
DQ
2
DQ
2
DQ
2
DQ
2
DQ
2
DQ
2
LDQS
1
DQ (Last data valid)
2
DQ (First data no longer valid)
2
DQ (First data no longer valid)
2
DQ0 - DQ7 and LDQS, collectively
6
NOTE: 1. DQs transitioning after DQS transition define tDQSQ
window. LDQS defines the lower byte and
UDQS defines the upper byte.
2. DQ0, DQ1, DQ2, DQ3, DQ4, DQ5, DQ6, or DQ7.
3. tDQSQ is derived at each DQS clock edge and is not
cumulative over time and begins with DQS transiti 7. DQ8, DQ9, DQ10, D11, DQ12, DQ13, DQ14, or DQ15.
and ends with the last valid transition of DQs .
T2
T2
T2
T2n
T2n
T2n
T3
T3
T3
T3n
T3n
T3n
CK
CK#
T1
T2
T3
T4
T2n
T3n
tQH
4
tQH
4
tDQSQ
3
tDQSQ
3
tDQSQ
3
tDQSQ
3
Data Valid
window
tDQSQ
3
Data Valid
window
tDQSQ
3
DQ (Last data valid)
7
DQ
7
DQ
7
DQ
7
DQ
7
DQ
7
DQ
7
UDQS
1
DQ (Last data valid)
7
DQ (First data no longer valid)
7
DQ (First data no longer valid)
7
DQ8 - DQ15 and UDQS, collectively
6
T2
T2
T2
T2n
T2n
T2n
T3
T3
T3
T3n
T3n
T3n
tQH
4
tQH
4
tQH
4
tQH
4
tDQSQ
3
tDQSQ
3
tHP
5
tHP
5
tHP
5
tHP
5
tHP
5
tHP
5
tQH
4
tQH
4
Data Valid
window
Data Valid
window
Data Valid
window
Data Valid
window
Data Valid
window
4. tQH is derived from tHP: tQH = tHP - tQHS.
5. tHP is the lesser of tCL or tCH clock transition
collectively when a bank is active.
6. The data valid window is derived for each
DQS transition and is tQH minus tDQSQ.
U
L
Data Valid
window
相关PDF资料
PDF描述
MT46V32M4TG-8 DOUBLE DATA RATE DDR SDRAM
MT46V32M4TG-8L DOUBLE DATA RATE DDR SDRAM
MT46V4M32 DOUBLE DATA RATE DDR SDRAM
MT46V4M32LG I.MX31 LITE KIT
MT46V64M4 16 Meg x 4 x 4 banks DDR SDRAM(16M x 4 x 4组,双数据速率同步动态RAM)
相关代理商/技术参数
参数描述
MT46V32M4TG-8 制造商:MICRON 制造商全称:Micron Technology 功能描述:DOUBLE DATA RATE DDR SDRAM
MT46V32M4TG-8L 制造商:MICRON 制造商全称:Micron Technology 功能描述:DOUBLE DATA RATE DDR SDRAM
MT46V32M8 制造商:MICRON 制造商全称:Micron Technology 功能描述:DOUBLE DATA RATE DDR SDRAM
MT46V32M82ZZ5-75 ES 制造商:Micron Technology Inc 功能描述:32MX8 SDRAM DDR PLASTIC PBF FBGA 2.5V - Trays