MT47H128M16HG-3:A Micron Technology Inc, MT47H128M16HG-3:A Datasheet - Page 124

• Manufacturer Part Number: MT47H128M16HG-3:A
• Manufacturer: Micron Technology Inc
• Type: DDR2 SDRAMr

Specifications of MT47H128M16HG-3:A

• Organization: 128Mx16
• Address Bus: 17b
• Access Time (max): 450ps
• Maximum Clock Rate: 667MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: FBGA
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 275mA
• Pin Count: 84
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

Figure 77: PRECHARGE Command-to-Power-Down Entry
Figure 78: LOAD MODE Command-to-Power-Down Entry
PDF: 09005aef824f87b6
2gbddr2.pdf – Rev. F 12/10 EN
Notes:
Note:
Command
Command
Address
Address
1. The earliest precharge power-down entry may occur is at T2, which is 1 ×
1. Valid address for LM command includes MR, EMR, EMR(2), and EMR(3) registers.
2. All banks must be in the precharged state and
3. The earliest precharge power-down entry is at T3, which is after
CK#
CKE
CK#
A10
CKE
CK
PRECHARGE command. Precharge power-down entry occurs prior to
isfied.
CK
Valid
T0
Valid
T0
t RP 2
Valid 1
LM
T1
Single bank
Valid
All banks
124
PRE
T1
vs
1 x
t MRD
t
CK
NOP
Micron Technology, Inc. reserves the right to change products or specifications without notice.
T2
Power-down 1
entry
NOP
T2
2Gb: x4, x8, x16 DDR2 SDRAM
t
Power-down 3
RP met prior to issuing LM command.
entry
NOP
T3
t
CKE (MIN)
T3
Power-Down Mode
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t CKE (MIN)
Don’t Care
t
MRD is satisfied.
T4
t
RP (MIN) being sat-
Don’t Care
t
CK after the