MT41J256M4HX-187E:D TR Micron Technology Inc, MT41J256M4HX-187E:D TR Datasheet - Page 79
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MT41J256M4HX-187E:D TR
Manufacturer Part Number
MT41J256M4HX-187E:D TR
Description
Manufacturer
Micron Technology Inc
Type
DDR3 SDRAMr
Datasheet
1.MT41J256M4HX-187ED_TR.pdf
(208 pages)
Specifications of MT41J256M4HX-187E:D TR
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
MULTIPURPOSE REGISTER READ burst end to
mode register set for multipurpose register
exit
ZQCL command: Long
calibration time
ZQCS command: Short calibration time
Exit reset from CKE HIGH to a valid command
Begin power supply ramp to power supplies
stable
RESET# LOW to power supplies stable
RESET# LOW to I/O and R
REFRESH-to-ACTIVATE or REFRESH
command period
Maximum refresh
period
Maximum average
periodic refresh
Exit self refresh to commands not requiring a
locked DLL
Exit self refresh to commands requiring a
locked DLL
Minimum CKE low pulse width for self re-
fresh entry to self refresh exit timing
Valid clocks after self refresh entry or power-
down entry
POWER-UP and RE-
SET operation
Normal operation
TT
T
T
T
T
C
C
C
C
High-Z
≤ +85°C
> +85°C
≤ +85°C
> +85°C
t
t
t
RFC – 1Gb
RFC – 2Gb
RFC – 4Gb
Symbol
t
t
ZQoper
t
t
t
t
t
ZQinit
Vddpr
XSDLL
CKESR
CKSRE
MPRR
t
t
t
ZQcs
t
t
XPR
REFI
RPS
t
IOz
XS
–
Initialization and Reset Timing
Min
512
256
64
DDR3-800
Self Refresh Timing
Calibration Timing
Refresh Timing
Max
MIN = greater of 5CK or
MIN = greater of 5CK or
–
–
–
MIN = greater of 5CK or 10ns; MAX = n/a
MIN =
Min
512
256
DDR3-1066
MIN =
64
MIN = 110; MAX = 70,200
MIN = 160; MAX = 70,200
MIN = 300; MAX = 70,200
MIN = 1CK; MAX = n/a
MIN = n/a; MAX = 200
t
MIN = n/a; MAX = 20
MIN = 0; MAX = 200
CKE (MIN) + CK; MAX = n/a
t
DLLK (MIN); MAX = n/a
7.8 (64ms/8192)
3.9 (32ms/8192)
Max
–
–
–
64 (1X)
32 (2X)
t
t
RFC + 10ns; MAX = n/a
RFC + 10ns; MAX = n/a
Min
512
256
DDR3-1333
64
Max
–
–
–
Min
512
256
DDR3-1600
64
Max
–
–
–
Units Notes
CK
CK
CK
CK
CK
ms
ms
ms
ms
CK
CK
CK
CK
ns
ns
ns
ns
µs
µs
35
36
36
36
36
28
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