MT46V128M8P-6T IT:ATR Micron Technology Inc, MT46V128M8P-6T IT:ATR Datasheet - Page 4

• Manufacturer Part Number: MT46V128M8P-6T IT:ATR
• Manufacturer: Micron Technology Inc
• Type: DDR SDRAMr

Specifications of MT46V128M8P-6T IT:ATR

• Organization: 128Mx8
• Density: 1Gb
• Address Bus: 16b
• Access Time (max): 700ps
• Maximum Clock Rate: 333MHz
• Operating Supply Voltage (typ): 2.5V
• Package Type: TSOP
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 2.7V
• Operating Supply Voltage (min): 2.3V
• Supply Current: 230mA
• Pin Count: 66
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

State Diagram
Figure 2:
PDF: 09005aef80a2f898/Source: 09005aef82a95a3a
DDR_x4x8x16_Core1.fm - 1Gb DDR: Rev. I, Core DDR: Rev. B 12/07 EN
Simplified State Diagram
Note:
applied
Power
This diagram represents operations within a single bank only and does not capture concur-
rent operations in other banks.
ACT = ACTIVE
BST = BURST TERMINATE
CKEH = Exit power-down
CKEL = Enter power-down
EMR = Extended mode register
LMR = LOAD MODE REGISTER
MR = Mode register
WRITE
Precharge
all banks
Power
PRE
LMR
EMR
PRE
WRITE A
MR
on
Write A
power-
Active
down
Write
CKE LOW
WRITE
LMR
4
CKE HIGH
WRITE A
PRE
precharged
Precharge
Micron Technology, Inc., reserves the right to change products or specifications without notice.
all banks
PREALL
active
ACT
Row
PRE
Idle
READ A
PRE = PRECHARGE
PREALL = PRECHARGE all banks
READ A = READ with auto precharge
REFA = AUTO REFRESH
REFS = Enter self refresh
REFSX = Exit self refresh
WRITE A = WRITE with auto precharge
CKEH
READ
REFS
READ A
PRE
REFSX
CKEL
1Gb: x4, x8, x16 DDR SDRAM
READ
Precharge
REFA
refresh
power-
down
Self
BST
Read A
Burst
Read
stop
Automatic sequence
Command sequence
©2003 Micron Technology, Inc. All rights reserved.
READ A
refresh
Auto
State Diagram
READ