MT41J256M4HX-187E:D Micron Technology Inc, MT41J256M4HX-187E:D Datasheet - Page 80
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MT41J256M4HX-187E:D
Manufacturer Part Number
MT41J256M4HX-187E:D
Description
Manufacturer
Micron Technology Inc
Type
DDR3 SDRAMr
Datasheet
1.MT41J256M4HX-187ED.pdf
(208 pages)
Specifications of MT41J256M4HX-187E:D
Organization
256Mx4
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
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Table 54: Electrical Characteristics and AC Operating Conditions (Continued)
Notes 1–8 apply to the entire table
Parameter
Valid clocks before self refresh exit,
power-down exit, or reset exit
CKE MIN pulse width
Command pass disable delay
Power-down entry to power-down exit timing
Begin power-down period prior to CKE
registered HIGH
Power-down entry period: ODT either
synchronous or asynchronous
Power-down exit period: ODT either
synchronous or asynchronous
ACTIVATE command to power-down entry
PRECHARGE/PRECHARGE ALL command to
power-down entry
REFRESH command to power-down entry
MRS command to power-down entry
READ/READ with auto precharge command
to power-down entry
WRITE command to
power-down entry
WRITE with auto
precharge command to
power-down entry
DLL on, any valid command, or DLL off to
commands not requiring locked DLL
Precharge power-down with DLL off to
commands requiring a locked DLL
BL8 (OTF, MRS)
BC4OTF
BC4MRS
BL8 (OTF, MRS)
BC4OTF
BC4MRS
t
t
t
t
t
t
WRAPDEN
WRAPDEN
CKE (MIN)
t
t
MRSPDEN
t
ACTPDEN
t
Symbol
REFPDEN
WRPDEN
WRPDEN
RDPDEN
t
t
PRPDEN
t
t
CPDED
CKSRX
XPDLL
ANPD
PDX
PDE
t
t
PD
XP
Power-Down Entry Minimum Timing
Power-Down Exit Timing
Greater of 3CK
Min
MIN = greater of 3CK or 7.5ns;
DDR3-800
Power-Down Timing
Greater of
or 7.5ns
Max
MAX = n/a
t
MIN = greater of 10CK or 24ns; MAX = n/a
MIN = greater of 5CK or 10ns; MAX = n/a
ANPD or
Greater of 3CK
Min
MIN =
MIN = WL + 4 +
MIN = WL + 2 +
DDR3-1066
or 5.625ns
MIN = WL + 4 + WR + 1
MIN = WL + 2 + WR + 1
t
RFC - REFRESH command to CKE LOW time
MIN = 1; MAX = n/a
MIN =
t
CKE (MIN); MAX = 60ms
MIN = RL + 4 + 1
t
ANPD +
Max
WL - 1CK
MIN = 1
MIN = 1
MIN = 1
t
MOD (MIN)
t
t
t
WR/
WR/
XPDLL
Greater of 3CK
Min
DDR3-1333
or 5.625ns
MIN = greater of 3CK or 6ns;
t
t
CK (AVG)
CK (AVG)
Max
MAX = n/a
Greater of 3CK
Min
DDR3-1600
or 5ns
Max
Units Notes
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
37
28
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