MT41J128M8HX-187E:D Micron Technology Inc, MT41J128M8HX-187E:D Datasheet - Page 143
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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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MPR Register Address Definitions and Bursting Order
Table 75: MPR Readouts and Burst Order Bit Mapping
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
MR3[2]
1
1
1
MR3[1:0]
00
01
10
READ predefined pattern
for system calibration
DQs driven LOW, or for all DQs to output the MPR data. The MPR readout supports
fixed READ burst and READ burst chop (MRS and OTF via A12/BC#) with regular READ
latencies and AC timings applicable, provided the DLL is locked as required.
MPR addressing for a valid MPR read is as follows:
• A[1:0] must be set to 00 as the burst order is fixed per nibble
• A2 selects the burst order:
• For burst chop 4 cases, the burst order is switched on the nibble base along with the
• Burst order bit 0 (the first bit) is assigned to LSB, and burst order bit 7 (the last bit) is
• A[9:3] are a “Don’t Care”
• A10 is a “Don’t Care”
• A11 is a “Don’t Care”
• A12: Selects burst chop mode on-the-fly, if enabled within MR0
• A13 is a “Don’t Care”
• BA[2:0] are a “Don’t Care”
The MPR currently supports a single data format. This data format is a predefined read
pattern for system calibration. The predefined pattern is always a repeating 0–1 bit pat-
tern.
Examples of the different types of predefined READ pattern bursts are shown in the fol-
lowing figures.
– BL8, A2 is set to 0, and the burst order is fixed to 0, 1, 2, 3, 4, 5, 6, 7
following:
– A2 = 0; burst order = 0, 1, 2, 3
– A2 = 1; burst order = 4, 5, 6, 7
assigned to MSB
Function
RFU
RFU
Length
Burst
BC4
BC4
BL8
n/a
n/a
n/a
n/a
n/a
n/a
143
A[2:0]
Read
000
000
100
n/a
n/a
n/a
n/a
n/a
n/a
Micron Technology, Inc. reserves the right to change products or specifications without notice.
1Gb: x4, x8, x16 DDR3 SDRAM
Predefined pattern: 0, 1, 0, 1, 0, 1, 0, 1
Burst Order and Data Pattern
Burst order: 0, 1, 2, 3, 4, 5, 6, 7
Predefined pattern: 0, 1, 0, 1
Predefined pattern: 0, 1, 0, 1
Mode Register 3 (MR3)
Burst order: 0, 1, 2, 3
Burst order: 4, 5, 6, 7
© 2006 Micron Technology, Inc. All rights reserved.
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