ADVANCE
128Mb: x16, x32
MOBILE SDRAM
READ – FULL-PAGE BURST1
T0
T1
T2
T3
T4
T5
T6
Tn + 1
Tn + 2
Tn + 3
Tn + 4
( (
) )
( (
) )
t
CL
t
CK
CLK
t
CH
t
t
CKS
CKH
( (
) )
CKE
( (
) )
t
t
CMS
CMH
( (
) )
( (
) )
COMMAND
ACTIVE
NOP
READ
t
NOP
NOP
NOP
NOP
NOP
BURST TERM
NOP
NOP
t
CMS
CMH
( (
) )
DQMU, DQML
A0-A9, A11
( (
) )
t
AS
t
AH
( (
) )
( (
) )
2
ROW
COLUMN m
t
AS
t
AH
( (
) )
( (
) )
ROW
A10
t
AS
t
AH
( (
) )
( (
) )
BA0, BA1
BANK
BANK
t
t
t
t
t
AC
AC
AC
AC
AC
( (
) )
t
AC
t
t
t
OH
t
t
t
OH
OH
OH
OH
OH
( (
) )
( (
) )
D
OUT
m
D
OUT m+1
D
OUT m+2
D
OUT m-1
D
OUT
m
DOUT m+1
DQ
t
LZ
t
HZ
512 (x16) locations within same row
t
RCD
CAS Latency
Full page completed
DON’T CARE
Full-page burst does not self-terminate.
Can use BURST TERMINATE command. 3
UNDEFINED
TIMING PARAMETERS
-8
-10
-8
-10
SYMBOL*
MIN
MAX
MIN
MAX UNITS
SYMBOL*
MIN
1
MAX
MIN
1
MAX UNITS
t
t
AC (3)
7
8
7
8
ns
ns
ns
ns
ns
ns
ns
ns
ns
CKH
ns
ns
ns
ns
t
t
AC (2)
CKS
2.5
1
2.5
1
t
t
AC (1)
19
22
CMH
t
t
AH
1
2.5
3
1
2.5
3
CMS
2.5
2.5
t
t
AS
HZ (3)
7
8
7
8
ns
ns
ns
ns
ns
ns
t
t
CH
HZ (2)
t
t
CL
3
3
HZ (1)
19
22
t
t
CK (3)
8
10
12
25
LZ
1
1
t
t
CK (2)
10
20
OH
2.5
20
2.5
20
t
t
CK (1)
ns
RCD
*CAS latency indicated in parentheses.
NOTE: 1. For this example, the CAS latency = 2.
2. x16: A9 and A11 = “Don’t Care”
x32: A8, A9,and A11 = “Don’t Care”
3. Page left open; no tRP.
128Mb: x16, x32 Mobile SDRAM
MobileY95W_3V_F.p65 – Rev. F; Pub. 9/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology, Inc.
50
MICRON [ MICRON TECHNOLOGY ]
