MT47H64M16HR-3 IT:HTR Micron Technology Inc, MT47H64M16HR-3 IT:HTR Datasheet - Page 121
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MT47H64M16HR-3 IT:HTR
Manufacturer Part Number
MT47H64M16HR-3 IT:HTR
Description
Manufacturer
Micron Technology Inc
Type
DDR2 SDRAMr
Specifications of MT47H64M16HR-3 IT:HTR
Organization
64Mx16
Density
1Gb
Address Bus
16b
Access Time (max)
450ps
Maximum Clock Rate
667MHz
Operating Supply Voltage (typ)
1.8V
Package Type
FBGA
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
1.9V
Operating Supply Voltage (min)
1.7V
Supply Current
135mA
Pin Count
84
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Compliant
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Figure 69: Power-Down
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. W 7/11 EN
DQS, DQS#
Command
Address
CK#
CKE
DM
DQ
CK
Valid 1
Valid
T1
Notes:
t CK
power-down
mode 6
Enter
1. If this command is a PRECHARGE (or if the device is already in the idle state), then the
2.
3.
4.
5.
6. No column accesses are allowed to be in progress at the time power-down is entered. If
NOP
T2
power-down mode shown is precharge power-down. If this command is an ACTIVATE
(or if at least one row is already active), then the power-down mode shown is active
power-down.
t
clock edges. CKE must remain at the valid input level the entire time it takes to achieve
the three clocks of registration. Thus, after any CKE transition, CKE may not transition
from its valid level during the time period of
during its
t
READ command.
t
ted via MR (bit 12 = 0).
t
lected via MR (bit 12 = 1).
the DLL was not in a locked state when CKE went LOW, the DLL must be reset after exit-
ing power-down mode for proper READ operation.
t CH
CKE (MIN) of three clocks means CKE must be registered on three consecutive positive
XP timing is used for exit precharge power-down and active power-down to any non-
XARD timing is used for exit active power-down to READ command if fast exit is selec-
XARDS timing is used for exit active power-down to READ command if slow exit is se-
t CL
t
IS and
T3
t CKE (MIN) 2
t
IH window.
T4
121
t IH
power-down
t IS
Micron Technology, Inc. reserves the right to change products or specifications without notice.
mode
NOP
Exit
T5
1Gb: x4, x8, x16 DDR2 SDRAM
t
IS + 2 ×
t XP 3 , t XARD 4
t XARDS 5
NOP
T6
t
t CKE (MIN) 2
CK +
t
IH. CKE must not transition
Power-Down Mode
2007 Micron Technology, Inc. All rights reserved.
Valid
Valid
T7
t IH
Don’t Care
Valid
Valid
T8
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