mt48lc4m32b2tg-7-it Micron Semiconductor Products, mt48lc4m32b2tg-7-it Datasheet - Page 61

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

Figure 45:
COMMAND
PDF: 09005aef80872800/Source: 09005aef80863355
128MbSDRAMx32_2.fm - Rev. K 9/07 EN
A0-A9, A11
BA0, BA1
DQM 0-3
CLK
CKE
A10
DQ
t CMS
t CKS
t AS
t AS
t AS
ACTIVE
T0
ROW
ROW
BANK
t CMH
t CKH
t AH
t AH
t AH
Write – With Auto Precharge
t RCD
t RAS
t RC
Notes:
t CK
T1
NOP
ENABLE AUTO PRECHARGE
1. For this example, BL = 4.
2. Faster frequencies require two clocks (when
3. A8, A9, and A11 = “Don’t Care.”
t CMS
t CL
t DS
COLUMN m 3
WRITE
T2
BANK
D
IN
t CMH
t CH
t DH
m
t DS
D
IN
T3
NOP
m + 1
t DH
t DS
D
IN
T4
NOP
m + 2
t DH
61
t DS
D
IN
T5
NOP
m + 3
t DH
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t WR
2
t
WR >
T6
NOP
t
CK).
T7
NOP
©2001 Micron Technology, Inc. All rights reserved.
128Mb: x32 SDRAM
Timing Diagrams
t RP
NOP
T8
ACTIVE
ROW
ROW
BANK
T9
DON’T CARE
UNDEFINED