MT48V8M32LFB5-8 IT TR Micron Technology Inc, MT48V8M32LFB5-8 IT TR Datasheet - Page 59

• Manufacturer Part Number: MT48V8M32LFB5-8 IT TR
• Description: IC SDRAM 256MBIT 125MHZ 90VFBGA
• Manufacturer: Micron Technology Inc

Specifications of MT48V8M32LFB5-8 IT TR

• Format - Memory: RAM
• Memory Type: Mobile SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 125MHz
• Interface: Parallel
• Voltage - Supply: 2.3 V ~ 2.7 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 90-VFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 557-1107-2

Figure 37: Auto Refresh Mode
PDF: 09005aef80d460f2/Source: 09005aef80cd8d41
256Mb SDRAM x32_2.fm - Rev. G 6/05
A0-A9, A11
COMMAND
BA0, BA1
DQM 0-3
A10
CKE
CLK
DQ
Precharge all
High-Z
t CKS
active banks
t CMS
t AS
SINGLE BANK
PRECHARGE
ALL BANKS
BANK(S)
T0
Note:
t AH
t CKH
t CMH
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
T2
REFRESH
AUTO
t CH
t RFC
59
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Micron Technology, Inc., reserves the right to change products or specifications without notice.
t CL
Tn + 1
REFRESH
AUTO
256Mb: x32 Mobile SDRAM
t RFC
DON’T CARE
NOP
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©2003 Micron Technology, Inc. All rights reserved.
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Timing Diagrams
To + 1
ACTIVE
ROW
ROW
BANK
UNDEFINED