MT47H32M16HR-25E AIT:G Micron, MT47H32M16HR-25E AIT:G Datasheet - Page 118

• Manufacturer Part Number: MT47H32M16HR-25E AIT:G
• Description: DRAM Chip DDR2 SDRAM 512M-Bit 32Mx16 1.8V 84-Pin FBGA
• Manufacturer: Micron

Figure 72: REFRESH Command-to-Power-Down Entry
Figure 73: ACTIVATE Command-to-Power-Down Entry
PDF: 09005aef8440dbbc
512mbddr2_ait_aat.pdf – Rev. C 7/11 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
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Valid
Valid
T0
T0
REFRESH
VALID
ACT
T1
T1
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512Mb: x8, x16 Automotive DDR2 SDRAM
1 t CK
1 x t CK
Power-down 1
Power-down 1
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entry
entry
NOP
NOP
T2
T2
t CKE (MIN)
t CKE (MIN)
T3
T3
t
RCD (MIN) being satisfied.
Power-Down Mode
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Don’t Care
Don’t Care
t
RFC (MIN) being satis-
t
CK after the ACTI-
t
CK after the