MT47H128M8HQ-187E:E Micron Technology Inc, MT47H128M8HQ-187E:E Datasheet - Page 89

• Manufacturer Part Number: MT47H128M8HQ-187E:E
• Manufacturer: Micron Technology Inc
• Type: DDR2 SDRAMr

Specifications of MT47H128M8HQ-187E:E

• Organization: 128Mx8
• Density: 1Gb
• Address Bus: 17b
• Access Time (max): 350ps
• Maximum Clock Rate: 1.066GHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: FBGA
• Operating Temp Range: 0C to 85C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 210mA
• Pin Count: 60
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

Figure 41: DDR2 Power-Up and Initialization
Command
Address
DQS
DM
DQ
V
V
V
ODT
V
dd
CK#
CKE
V
dd
R
tt
CK
ref
dd
15
16
15
15
tt
Q
1
L
low level 2
LVCMOS
High-Z
High-Z
High-Z
t
VTD 1
T0
t CL
V
clock (CK, CK#)
low level
T = 200µs (MIN) 3
Power-up:
SSTL_18
dd
t CK
and stable
t CL
2
NOP 3
Ta0
T = 400ns (MIN) 4
A10 = 1
Tb0
PRE
t RPA
EMR(2)
LM 5
Code
Tc0
t MRD
EMR(3)
Code
LM 6
Td0
t MRD
Code
LM 7
EMR
Te0
t MRD
DLL RESET
MR with
Code
LM 8
Tf0
t MRD
A10 = 1
PRE 9
Tg0
t RPA
200 cycles of CK are required before a READ command can be issued
REF 10
Th0
t RFC
See no te 10
REF 10
Ti0
t RFC
MR without
DLL RESET
LM 11
Code
Tj0
t MRD
OCD default
EMR with
LM 12
Code
Tk0
Indicates a Break in
Time Scale
t MRD
EMR with
OCD exit
Code
LM 13
Tl0
t MRD
operation
Normal
Don’t care
Valid 14
Valid
Tm0