mt46v128m4bn Micron Semiconductor Products, mt46v128m4bn Datasheet - Page 45
mt46v128m4bn
Manufacturer Part Number
mt46v128m4bn
Description
512mb X4, X8, X16 Ddr Sdram
Manufacturer
Micron Semiconductor Products
Datasheet
1.MT46V128M4BN.pdf
(83 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
mt46v128m4bn-5B ES:F
Manufacturer:
MICRON
Quantity:
4 000
Company:
Part Number:
mt46v128m4bn-5B:F
Manufacturer:
MICRON
Quantity:
1 218
Company:
Part Number:
mt46v128m4bn-5B:F
Manufacturer:
Micron Technology Inc
Quantity:
10 000
Part Number:
mt46v128m4bn-5B:F
Manufacturer:
MICRON/镁光
Quantity:
20 000
Company:
Part Number:
mt46v128m4bn-5B:F TR
Manufacturer:
Micron Technology Inc
Quantity:
10 000
Company:
Part Number:
mt46v128m4bn-6:D
Manufacturer:
Micron Technology Inc
Quantity:
10 000
Company:
Part Number:
mt46v128m4bn-6:D TR
Manufacturer:
Micron Technology Inc
Quantity:
10 000
Company:
Part Number:
mt46v128m4bn-6:F
Manufacturer:
Micron
Quantity:
2 148
Company:
Part Number:
mt46v128m4bn-6:F
Manufacturer:
Micron Technology Inc
Quantity:
10 000
Company:
Part Number:
mt46v128m4bn-6F
Manufacturer:
N/A
Quantity:
556
Figure 21:
PDF: 09005aef80a1d9d4/Source: 09005aef82a95a3a
DDR_x4x8x16_Core2.fm - 512Mb DDR: Rev. L; Core DDR Rev. A 4/07 EN
INITIALIZATION Flow Diagram
Step
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
Assert NOP or DESELECT commands for t RFC
Configure load mode register and reset DLL
Optional LMR command to clear DLL bit
Assert NOP or DESELECT for t MRD time
Assert NOP or DESELECT for t MRD time
Assert NOP or DESELECT for t MRD time
Bring CKE HIGH with a NOP command
Assert NOP or DESELECT for t RFC time
DRAM is ready for any valid command
Assert NOP or DESELECT for t RP time
Assert NOP or DESELECT for t RP time
Configure extended mode register
Issue AUTO REFRESH command
Issue AUTO REFRESH command
CKE must be LVCMOS LOW
Apply stable CLOCKs
V
Wait at least 200µs
Apply V
DD
PRECHARGE ALL
PRECHARGE ALL
and V
REF
DD
and V
Q ramp
TT
45
Micron Technology, Inc., reserves the right to change products or specifications without notice.
512Mb: x4, x8, x16 DDR SDRAM
©2000 Micron Technology, Inc. All rights reserved.
Operations