MT41J64M16JT-15E AIT:G Micron, MT41J64M16JT-15E AIT:G Datasheet - Page 11

• Manufacturer Part Number: MT41J64M16JT-15E AIT:G
• Description: DRAM Chip DDR3 SDRAM 1G-Bit 64Mx16 1.5V 96-Pin FBGA
• Manufacturer: Micron

State Diagram
Figure 2: Simplified State Diagram
Power
applied
PDF: 09005aef84491df3
1Gb_AIT_AAT_DDR3_SDRAM.pdf – Rev. C 8/11 EN
ACT = ACTIVATE
MPR = Multipurpose register
MRS = Mode register set
PDE = Power-down entry
PDX = Power-down exit
PRE = PRECHARGE
From any
state
Power
on
RESET
procedure
Reset
WRITE
CKE L
calibration
WRITE AP
Writing
power-
Writing
Active
ization
down
Initial-
PREA = PRECHARGE ALL
READ = RD, RDS4, RDS8
READ AP = RDAP, RDAPS4, RDAPS8
REF = REFRESH
RESET = START RESET PROCEDURE
SRE = Self refresh entry
ZQCL
ZQ
ZQCL/ZQCS
WRITE
PDX
PDE
PRE, PREA
WRITE AP
WRITE AP
11
WRITE
Precharging
MRS, MPR,
Activating
MRS
leveling
PRE, PREA
1Gb: x8, x16 Automotive DDR3 SDRAM
active
write
Bank
Idle
ACT
READ
READ AP
READ AP
Micron Technology, Inc. reserves the right to change products or specifications without notice.
PRE, PREA
PDE
PDX
READ
SRX
SRX = Self refresh exit
WRITE = WR, WRS4, WRS8
WRITE AP = WRAP, WRAPS4, WRAPS8
ZQCL = ZQ LONG CALIBRATION
ZQCS = ZQ SHORT CALIBRATION
REF
Precharge
SRE
Reading
Reading
READ AP
power-
down
‹ 2010 Micron Technology, Inc. All rights reserved.
CKE L
READ
State Diagram
Refreshing
refresh
Self
Automatic
sequence
Command
sequence
CKE L