MT41J128M8HX-187E:D Micron Technology Inc, MT41J128M8HX-187E:D Datasheet - Page 128
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MT41J128M8HX-187E:D
Manufacturer Part Number
MT41J128M8HX-187E:D
Description
Manufacturer
Micron Technology Inc
Type
DDR3 SDRAMr
Datasheet
1.MT41J128M8HX-187ED.pdf
(208 pages)
Specifications of MT41J128M8HX-187E:D
Organization
128Mx8
Density
1Gb
Address Bus
17b
Maximum Clock Rate
1.066GHz
Operating Supply Voltage (typ)
1.5V
Package Type
FBGA
Operating Temp Range
0C to 95C
Operating Supply Voltage (max)
1.575V
Operating Supply Voltage (min)
1.425V
Supply Current
190mA
Pin Count
78
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MT41J128M8HX-187E:D TR
Manufacturer:
Micron Technology Inc
Quantity:
10 000
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Initialization
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
The following sequence is required for power up and initialization, as shown in Fig-
ure 50 (page 129):
10. Issue a ZQCL command to calibrate R
11. When
1. Apply power. RESET# is recommended to be below 0.2 × V
2. Until stable power, maintain RESET# LOW to ensure the outputs remain disabled
3. CKE must be LOW 10ns prior to RESET# transitioning HIGH.
4. After RESET# transitions HIGH, wait 500µs (minus one clock) with CKE LOW.
5. After this CKE LOW time, CKE may be brought HIGH (synchronously) and only
6. After CKE is registered HIGH and after
7. Issue an MRS command to MR3 with the applicable settings.
8. Issue an MRS command to MR1 with the applicable settings, including enabling
9. Issue an MRS command to MR0 with the applicable settings, including a DLL RE-
to ensure the outputs remain disabled (High-Z) and ODT off (R
All other inputs, including ODT, may be undefined.
During power-up, either of the following conditions may exist and must be met:
• Condition A:
• Condition B:
(High-Z). After the power is stable, RESET# must be LOW for at least 200µs to be-
gin the initialization process. ODT will remain in the High-Z state while RESET# is
LOW and until CKE is registered HIGH.
NOP or DES commands may be issued. The clock must be present and valid for at
least 10ns (and a minimum of five clocks) and ODT must be driven LOW at least
t
continuously registered HIGH until the full initialization process is complete.
may be issued. Issue an MRS (LOAD MODE) command to MR2 with the applicable
settings (provide LOW to BA2 and BA0 and HIGH to BA1).
the DLL and configuring ODT.
SET command.
temperature (PVT). Prior to normal operation,
normal operation.
IS prior to CKE being registered HIGH. When CKE is registered HIGH, it must be
– V
– Both V
– V
– V
– V
– V
– No slope reversals are allowed in the power supply ramp for this condition.
ped with a maximum delta voltage between them of ΔV ≤ 300mV. Slope
reversal of any power supply signal is allowed. The voltage levels on all balls
other than V
one side, and must be greater than or equal to V
t
directly to the device; however,
avoid device latchup.
V
DD
REFDQ
TT
DD
DDQ
DDPR
t
DLLK and
is limited to 0.95V when the power ramp is complete and is not applied
and V
may be applied before or at the same time as V
may be applied before or at the same time as V
DD
= 200ms.
tracks V
and V
DDQ
t
DD
DLLK (512) cycles of clock input are required to lock the DLL.
t
ZQinit have been satisfied, the DDR3 SDRAM will be ready for
are driven from a single-power converter output and are ram-
, V
DD
DDQ
DDQ
× 0.5, V
128
power supplies ramp to V
, V
SS
, V
REFCA
SSQ
Micron Technology, Inc. reserves the right to change products or specifications without notice.
tracks V
t
must be less than or equal to V
VTD should be greater than or equal to zero to
TT
t
XPR has been satisfied, MRS commands
and R
1Gb: x4, x8, x16 DDR3 SDRAM
DD
ON
× 0.5.
t
ZQinit must be satisfied.
values for the process voltage
DD,min
SSQ
DDQ
and V
and V
TT
© 2006 Micron Technology, Inc. All rights reserved.
DDQ
, V
.
REFDQ
SS
DDQ,min
during power ramp
TT
on the other side.
Initialization
is also High-Z).
DDQ
, and V
within
and V
REFCA
DD
.
on
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