MT47H128M8HQ-37EL MICRON [Micron Technology], MT47H128M8HQ-37EL Datasheet - Page 120
![no-image](/images/no-image-200.jpg)
MT47H128M8HQ-37EL
Manufacturer Part Number
MT47H128M8HQ-37EL
Description
DDR2 SDRAM
Manufacturer
MICRON [Micron Technology]
Datasheet
1.MT47H128M8HQ-37EL.pdf
(131 pages)
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Figure 74: REFRESH Command-to-Power-Down Entry
Figure 75: ACTIVATE Command-to-Power-Down Entry
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. T 02/10 EN
Note:
Note:
Command
Command
Address
1. The earliest precharge power-down entry may occur is at T2, which is 1 ×
1. The earliest active power-down entry may occur is at T2, which is 1 ×
CK#
CKE
CK#
CKE
CK
CK
REFRESH command. Precharge power-down entry occurs prior to
fied.
VATE command. Active power-down entry occurs prior to
Valid
Valid
T0
T0
REFRESH
VALID
ACT
T1
T1
120
1 t CK
1 x t CK
Power-down 1
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Power-down 1
entry
entry
NOP
NOP
T2
T2
1Gb: x4, x8, x16 DDR2 SDRAM
t CKE (MIN)
t CKE (MIN)
T3
T3
t
RCD (MIN) being satisfied.
Power-Down Mode
© 2004 Micron Technology, Inc. All rights reserved.
Don’t Care
Don’t Care
t
RFC (MIN) being satis-
t
CK after the ACTI-
t
CK after the
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