mt48lc4m32b2tg-7-it Micron Semiconductor Products, mt48lc4m32b2tg-7-it Datasheet - Page 57

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

Figure 41:
PDF: 09005aef80872800/Source: 09005aef80863355
128MbSDRAMx32_2.fm - Rev. K 9/07 EN
COMMAND
A0–A9, A11
DQM 0–3
BA0, BA1
CLK
CKE
A10
DQ
t CKS
t CMS
t AS
t AS
t AS
ACTIVE
BANK
T0
ROW
ROW
t CKH
t CMH
t AH
t AH
t AH
Read – Full-page Burst
t RCD
Notes:
t CL
T1
NOP
t CH
1. For this example, CL = 2.
2. A8, A9, and A11 = “Don’t Care.”
3. Page left open; no
t CMS
t CK
COLUMN m 2
T2
BANK
READ
t CMH
CAS Latency
T3
NOP
t LZ
t AC
t
RP.
T4
Dout m
NOP
t OH
t AC
57
256 locations within same row
Full-page burst does not self-terminate.
Can use BURST TERMINATE command.
D
T5
OUT
NOP
t OH
m+1
Full page completed
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t AC
D
T6
NOP
OUT
t OH
t AC
m+2
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Tn + 1
D
NOP
OUT
t OH
m-1
t AC
©2001 Micron Technology, Inc. All rights reserved.
128Mb: x32 SDRAM
BURST TERM
Tn + 2
3
D
Timing Diagrams
OUT
t OH
m
t AC
Tn + 3
D
OUT
NOP
t OH
m+1
t HZ
DON’T CARE
UNDEFINED
Tn + 4
NOP