MT46V64M16P-6T IT:A Micron, MT46V64M16P-6T IT:A Datasheet - Page 70

• Manufacturer Part Number: MT46V64M16P-6T IT:A
• Description: DRAM Chip DDR SDRAM 1G-Bit 64Mx16 2.5V 66-Pin TSOP Tray
• Manufacturer: Micron

Figure 42:
PDF: 09005aef80768abb/Source: 09005aef82a95a3a
DDR_x4x8x16_Core2.fm - 1Gb DDR: Rev. J; Core DDR Rev. E 7/11 EN
Command
t DQSS (NOM)
t DQSS (MIN)
t DQSS (MAX)
Address
DQS
DQS
DQS
CK#
DM
DM
DM
DQ
DQ
DQ
CK
WRITE-to-READ – Odd Number of Data, Interrupting
Notes:
Bank a,
WRITE
Col b
T0
t DQSS
t DQSS
t DQSS
1. DI b = data-in for column b; DO n = data-out for column n.
2. An interrupted burst of 4 is shown; one data element is written.
3.
4. A10 is LOW with the WRITE command (auto precharge is disabled).
5. DQS is required at T1n, T2, and T2n (nominal case) to register DM.
6. If the burst of 8 is used, DM and DQS are required at T3–T3n because the READ command
t
the last two data elements).
will not mask these data elements.
DI
b
WTR is referenced from the first positive CK edge after the last desired data-in pair (not
NOP
DI
T1
b
DI
b
T1n
NOP
T2
t WTR
T2n
70
Bank a,
READ
Col n
T3
T3n
Micron Technology, Inc., reserves the right to change products or specifications without notice.
CL = 2
CL = 2
CL = 2
NOP
T4
1Gb: x4, x8, x16 DDR SDRAM
Transitioning Data
T5
NOP
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DO
DO
DO
n
n
n
T5n
T6
NOP
Operations
Don’t Care
T6n