MT48LC128M4A2_07 MICRON [Micron Technology], MT48LC128M4A2_07 Datasheet - Page 67

• Manufacturer Part Number: MT48LC128M4A2_07
• Description: 512Mb x4, x8, x16 SDRAM
• Manufacturer: MICRON [Micron Technology]

Figure 51:
PDF: 09005aef809bf8f3/Source: 09005aef80818a4a
512MbSDRAM.fm - Rev. L 10/07 EN
DQML, DQMU
COMMAND
A11, A12
BA0, BA1
A0–A9,
DQM/
CLK
CKE
A10
DQ
t CMS
WRITE – DQM Operation
t CKS
t AS
t AS
t AS
ACTIVE
T0
ROW
ROW
BANK
Notes:
t CKH
t CMH
t AH
t AH
t AH
t RCD
t CK
1. For this example, BL = 4.
2. x16: A11 and A12 = “Don’t Care;” x8: A12 = “Don’t Care.”
T1
NOP
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
T3
NOP
67
t DS
Micron Technology, Inc., reserves the right to change products or specifications without notice.
D
T4
IN
NOP
m + 2
t DH
t DS
D
T5
IN
NOP
512Mb: x4, x8, x16 SDRAM
m + 3
t DH
©2000 Micron Technology, Inc. All rights reserved.
NOP
T6
Timing Diagrams
NOP
T7
DON’T CARE