MT41J256M4HX-187E:D Micron Technology Inc, MT41J256M4HX-187E:D Datasheet - Page 199
![no-image](/images/manufacturer_photos/0/4/441/micron_technology_inc_sml.jpg)
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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Asynchronous ODT Mode
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
Asynchronous ODT mode is available when the DRAM runs in DLL on mode and when
either R
charged power-down standby (via MR0[12]). Additionally, ODT operates asynchronous-
ly when the DLL is synchronizing after being reset. See Power-Down Mode (page 177)
for definition and guidance over power-down details.
In asynchronous ODT timing mode, the internal ODT command is not delayed by AL
relative to the external ODT command. In asynchronous ODT mode, ODT controls R
by analog time. The timing parameters
and ODTL off/
The minimum R
nation circuit leaves High-Z and ODT resistance begins to turn on. Maximum R
on time (
(MIN) and
The minimum R
nation circuit starts to turn off ODT resistance. Maximum R
[MAX]) is the point at which ODT has reached High-Z.
(MAX) are measured from ODT being sampled LOW.
TT,nom
t
AONPD [MAX]) is the point at which ODT resistance is fully on.
t
AONPD (MAX) are measured from ODT being sampled HIGH.
or R
t
AOF, respectively, when ODT operates asynchronously.
TT
TT
TT(WR)
turn-on time (
turn-off time (
is enabled; however, the DLL is temporarily turned off in pre-
199
t
t
AONPD [MIN]) is the point at which the device termi-
AOFPD [MIN]) is the point at which the device termi-
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t
AONPD and
1Gb: x4, x8, x16 DDR3 SDRAM
t
Asynchronous ODT Mode
AOFPD replace ODTL on/
t
AOFPD (MIN) and
TT
© 2006 Micron Technology, Inc. All rights reserved.
turn-off time (
t
AONPD
t
AOFPD
t
AOFPD
t
TT
AON
turn-
TT
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