MT48LC4M32B2B5-7 Micron Technology Inc, MT48LC4M32B2B5-7 Datasheet - Page 14

• Manufacturer Part Number: MT48LC4M32B2B5-7
• Manufacturer: Micron Technology Inc
• Type: SDRAMr

Specifications of MT48LC4M32B2B5-7

• Organization: 4Mx32
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 17/8/5.5ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: VFBGA
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 175mA
• Pin Count: 90
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

Table 6:
PDF: 09005aef80872800/Source: 09005aef80863355
128MbSDRAMx32_2.fm - Rev. L 1/09 EN
Burst Definition
Notes:
1. For a BL = 2, A1–A7 select the block-of-two burst; A0 selects the starting column within the
2. For a BL = 4, A2–A7 select the block-of-four burst; A0–A1 select the starting column within
3. For a BL = 8, A3–A7 select the block-of-eight burst; A0–A2 select the starting column within
4. For a full-page burst, the full row is selected and A0–A7 select the starting column.
5. Whenever a boundary of the block is reached within a given sequence above, the following
6. For a BL = 1, A0–A7 select the unique column to be accessed, and mode register bit M3 is
Full Page
block.
the block.
the block.
access wraps within the block.
ignored.
Length
Burst
(256)
2
4
8
n = A0–A7 (Location
Starting Column
A2
0
0
0
0
1
1
1
1
Address
0–256)
A1
A1
0
0
1
1
0
0
1
1
0
0
1
1
14
A0
A0
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Type = Sequential
Cn, Cn + 1, Cn + 2
Cn + 3, Cn + 4...
0-1-2-3-4-5-6-7
1-2-3-4-5-6-7-0
2-3-4-5-6-7-0-1
3-4-5-6-7-0-1-2
4-5-6-7-0-1-2-3
5-6-7-0-1-2-3-4
6-7-0-1-2-3-4-5
7-0-1-2-3-4-5-6
Cn - 1, Cn…
Order of Accesses Within a Burst
0-1-2-3
1-2-3-0
2-3-0-1
3-0-1-2
0-1
1-0
©2001 Micron Technology, Inc. All rights reserved.
128Mb: x32 SDRAM
Register Definition
Type = Interleaved
0-1-2-3-4-5-6-7
1-0-3-2-5-4-7-6
2-3-0-1-6-7-4-5
3-2-1-0-7-6-5-4
4-5-6-7-0-1-2-3
5-4-7-6-1-0-3-2
6-7-4-5-2-3-0-1
7-6-5-4-3-2-1-0
Not supported
0-1-2-3
1-0-3-2
2-3-0-1
3-2-1-0
0-1
1-0