MT41J256M8JE-187E ES:A Micron Technology Inc, MT41J256M8JE-187E ES:A Datasheet - Page 10

• Manufacturer Part Number: MT41J256M8JE-187E ES:A
• Manufacturer: Micron Technology Inc
• Type: DDR3 SDRAMr

Specifications of MT41J256M8JE-187E ES:A

• Organization: 256Mx8
• Address Bus: 15b
• Maximum Clock Rate: 1.066GHz
• Operating Supply Voltage (typ): 1.5V
• Package Type: FBGA
• Operating Temp Range: 0C to 95C
• Operating Supply Voltage (max): 1.575V
• Operating Supply Voltage (min): 1.425V
• Supply Current: 295mA
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

State Diagram
Figure 2:
PDF: 09005aef826aaadc/Source: 09005aef82a357c3
DDR3_D2.fm - Rev G 2/09 EN
Power
applied
ACT = ACTIVATE
MPR = Multipurpose register
MRS = Mode register set
PDE = Power-down entry
PDX = Power-down exit
PRE = PRECHARGE
From any
state
Power
on
Simplified State Diagram
RESET
procedure
Reset
WRITE
CKE L
Initialization
calibration
WRITE AP
Writing
power-
Writing
Active
down
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
10
WRITE AP
WRITE AP
WRITE
Precharging
MRS, MPR,
Activating
MRS
leveling
PRE, PREA
active
Bank
write
Idle
ACT
Micron Technology, Inc., reserves the right to change products or specifications without notice.
READ
READ AP
READ AP
PRE, PREA
PDE
PDX
READ
2Gb: x4, x8, x16 DDR3 SDRAM
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
©2006 Micron Technology, Inc. All rights reserved.
CKE L
READ
State Diagram
Refreshing
refresh
Self
Automatic
sequence
Command
sequence
CKE L