mt48lc16m8a2tg-75-it Micron Semiconductor Products, mt48lc16m8a2tg-75-it Datasheet - Page 71

• Manufacturer Part Number: mt48lc16m8a2tg-75-it
• Description: 128mb X4, X8, X16 Sdram
• Manufacturer: Micron Semiconductor Products

Figure 55:
PDF: 09005aef8091e66d/Source: 09005aef8091e625
128MSDRAM_2.fm - Rev. M 10/07 EN
DQML, DQMH
COMMAND
A0–A9, A11
BA0, BA1
DQM /
WRITE – DQM Operation
CKE
A10
CLK
DQ
Notes:
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
1. For this example, BL = 4.
2. x16: A9 and A11 = “Don’t Care.”
x8: A11 = “Don’t Care.”
t RCD
t CK
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
71
t DS
D
T4
NOP
IN
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
t DH
128Mb: x4, x8, x16 SDRAM
NOP
T6
©1999 Micron Technology, Inc. All rights reserved.
Timing Diagrams
NOP
T7
DON’T CARE