mt48lc4m32b2tg-7-it Micron Semiconductor Products, mt48lc4m32b2tg-7-it Datasheet - Page 58

• Manufacturer Part Number: mt48lc4m32b2tg-7-it
• Description: 128mb X32 Sdram
• Manufacturer: Micron Semiconductor Products

Figure 42:
PDF: 09005aef80872800/Source: 09005aef80863355
128MbSDRAMx32_2.fm - Rev. K 9/07 EN
COMMAND
A0-A9, A11
BA0, BA1
DQM 0-3
CLK
CKE
A10
DQ
t CMS t CMH
t CKS
t AS
t AS
t AS
Read – DQM Operation
ACTIVE
T0
ROW
ROW
BANK
t CKH
t AH
t AH
t AH
Notes:
t RCD
t CK
T1
NOP
1. For this example, CL = 2.
2. A8, A9, and A11 = “Don’t Care.”
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
t CMS
t CL
COLUMN m 2
T2
READ
BANK
t CMH
t CH
CAS Latency
T3
NOP
t
LZ
t AC
58
T4
NOP
t OH
D
t HZ
OUT
m
Micron Technology, Inc., reserves the right to change products or specifications without notice.
T5
NOP
t
LZ
t AC
T6
NOP
D
t AC
t OH
OUT
m + 2
©2001 Micron Technology, Inc. All rights reserved.
128Mb: x32 SDRAM
T7
NOP
D
OUT
t OH
Timing Diagrams
t HZ
m + 3
T8
NOP
DON’T CARE
UNDEFINED