MT48H8M32LFB5-8 TR Micron Technology Inc, MT48H8M32LFB5-8 TR Datasheet - Page 60

• Manufacturer Part Number: MT48H8M32LFB5-8 TR
• Description: IC SDRAM 256MBIT 125MHZ 90VFBGA
• Manufacturer: Micron Technology Inc

Specifications of MT48H8M32LFB5-8 TR

• Format - Memory: RAM
• Memory Type: Mobile SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 125MHz
• 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: Lead free / RoHS Compliant
• Other names: 557-1054-2

Figure 38: Self Refresh Mode
PDF: 09005aef80d460f2/Source: 09005aef80cd8d41
256Mb SDRAM x32_2.fm - Rev. G 6/05
COMMAND
A0-A9, A11
BA0, BA1
DQM 0-3
CLK
CKE
A10
DQ
High-Z
Precharge all
t CKS
active banks
t CMS
t
SINGLE BANK
AS
PRECHARGE
ALL BANKS
BANK(S)
T0
t CKH
Note:
t CMH
t
AH
t CK
Each AUTO REFRESH command performs a REFRESH cycle. Back-to-back commands are not
required.
See Table 15, Electrical Characteristics and Recommended AC Operating Conditions, on
page 48.
t RP
T1
NOP
t CH
Enter self refresh mode
t CKS
t CL
REFRESH
AUTO
CLK stable prior to exiting
T2
self refresh mode
> t RAS
60
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Micron Technology, Inc., reserves the right to change products or specifications without notice.
(Restart refresh time base)
Exit self refresh mode
Tn + 1
NOP
t XSR
256Mb: x32 Mobile SDRAM
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To + 1
©2003 Micron Technology, Inc. All rights reserved.
Timing Diagrams
To + 2
REFRESH
AUTO
DON’T CARE