MT48V8M32LFB5-8 IT TR Micron Technology Inc, MT48V8M32LFB5-8 IT TR Datasheet - Page 74

• 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 52: Write – DQM Operation
PDF: 09005aef80d460f2/Source: 09005aef80cd8d41
256Mb SDRAM x32_2.fm - Rev. G 6/05
COMMAND
A0–A9, A11
BA0, BA1
DQM 0-3
CKE
CLK
A10
DQ
t CMS
t CKS
t AS
t AS
t AS
ACTIVE
T0
ROW
ROW
BANK
t CKH
t CMH
t AH
t AH
t AH
Notes: 1. For this example, BL = 4.
t RCD
t CK
2. A9 and A11 = “Don’t Care.”
T1
NOP
See Table 15, Electrical Characteristics and Recommended AC Operating Conditions, on
page 48.
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
t CMS
t CL
COLUMN m 2
t DS
WRITE
T2
BANK
D
IN
t CMH
t DH
t CH
m
1
T3
NOP
74
t DS
D
T4
IN
NOP
Micron Technology, Inc., reserves the right to change products or specifications without notice.
m + 2
t DH
t DS
D
T5
IN
NOP
m + 3
256Mb: x32 Mobile SDRAM
t DH
NOP
©2003 Micron Technology, Inc. All rights reserved.
T6
Timing Diagrams
NOP
T7
DON’T CARE