MT46H8M32LFB5-75:A TR Micron Technology Inc, MT46H8M32LFB5-75:A TR Datasheet - Page 72
![IC DDR SDRAM 256MBIT 90VFBGA](/photos/7/23/72313/mfg557-90-vfbga_sml.jpg)
MT46H8M32LFB5-75:A TR
Manufacturer Part Number
MT46H8M32LFB5-75:A TR
Description
IC DDR SDRAM 256MBIT 90VFBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT46H16M16LFBF-6A_TR.pdf
(79 pages)
Specifications of MT46H8M32LFB5-75:A TR
Format - Memory
RAM
Memory Type
Mobile DDR SDRAM
Memory Size
256M (8Mx32)
Speed
133MHz
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.95 V
Operating Temperature
0°C ~ 70°C
Package / Case
90-VFBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Figure 44:
PDF: 09005aef82091978 / Source: 09005aef8209195b
MT46H16M16LF__2.fm - Rev. H 6/08 EN
Command
Address
CKE
DQS
Self Refresh Mode
CK#
CK
DM
DQ
1
1
4
Notes:
t
IS
t
IS
t
NOP
RP
T0
2
1. Clock must be stable, cycling within specifications by Ta0, before exiting self refresh mode.
2. Device must be in the all banks idle state prior to entering self refresh mode.
3. NOPs or DESELECT is required for
4. AR = AUTO REFRESH command.
5. CKE must remain LOW to remain in self refresh mode.
t
t
IH
IH
t
CH
t
CL
t
IS
AR
T1
Enter self refresh mode
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72
t
XSR time with at least two clock pulses.
Ta0
Micron Technology, Inc., reserves the right to change products or specifications without notice.
256Mb: x16, x32 Mobile DDR SDRAM
1
t
CK
t
NOP
IS
Ta1
Exit self refresh mode
t
XSR
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3
©2005 Micron Technology, Inc. All rights reserved.
t
VALID
IS
VALID
Timing Diagrams
Tb0
Don’t Care
t
IH
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