mt48lc16m4a2tg Micron Semiconductor Products, mt48lc16m4a2tg Datasheet - Page 46

• Manufacturer Part Number: mt48lc16m4a2tg
• Description: 64mb X4, X8, X16 Sdram
• Manufacturer: Micron Semiconductor Products

DQML, DQMH
TIMING PARAMETERS
*CAS latency indicated in parentheses.
NOTE: 1. For this example, the CAS latency = 2.
64Mb: x4, x8, x16 SDRAM
64MSDRAM_F.p65 – Rev. F; Pub. 1/03
SYMBOL* MIN MAX MIN MAX MIN MAX MIN MAX UNITS
t
t
t
t
t
t
t
t
t
AC(3)
AC(2)
AH
AS
CH
CL
CK(3)
CK(2)
CKH
COMMAND
A0-A9, A11
BA0, BA1
DQM /
CLK
CKE
A10
DQ
2. x16: A8, A9 and A11 = “Don’t Care”
3. Page left open; no
t CKS
t CMS
x8: A9 and A11 = “Don’t Care”
x4: A11 = “Don’t Care”
t AS
t AS
t AS
1.5
2.5
2.5
1
6
–
1
ACTIVE
BANK
T0
ROW
ROW
-6
t CKH
t CMH
t AH
t AH
t AH
5.5
–
t RCD
t CL
0.8
1.5
2.5
2.5
7.5
0.8
7
-7E
T1
NOP
t CH
5.4
5.4
t
RP.
t CMS
t CK
0.8
1.5
2.5
2.5
7.5
0.8
10
COLUMN m 2
-75
T2
BANK
READ
t CMH
5.4
6
CAS Latency
READ – FULL-PAGE BURST
10
1
2
3
3
8
1
-8E
T3
NOP
t LZ
6
6
t AC
ns
ns
ns
ns
ns
ns
ns
ns
ns
T4
NOP
D
OUT
t OH
1,024 (x4) locations within same row
m
256 (x16) locations within same row
512 (x8) locations within same row
46
t AC
SYMBOL* MIN MAX MIN MAX MIN MAX MIN MAX UNITS
t
t
t
t
t
t
t
t
CKS
CMH
CMS
HZ(3)
HZ(2)
LZ
OH
RCD
D
T5
NOP
OUT
t OH
m+1
t AC
Full-page burst does not self-terminate.
Can use BURST TERMINATE command.
Full page completed
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1.5
1.5
18
D
1
1
2
T6
NOP
OUT
-6
t OH
t AC
1
m+2
5.5
(
(
(
(
(
–
(
)
(
)
(
)
(
)
(
(
)
(
(
(
)
)
)
)
)
)
(
(
(
(
(
(
)
(
)
(
)
)
)
)
(
)
(
)
(
)
(
)
(
(
)
)
)
)
)
)
)
(
(
(
(
)
(
)
(
)
)
)
)
1.5
0.8
1.5
Tn + 1
15
1
3
D
NOP
OUT
-7E
t OH
64Mb: x4, x8, x16
m-1
5.4
5.4
t AC
BURST TERM
1.5
0.8
1.5
20
Tn + 2
3
1
3
-75
D
OUT
t OH
m
5.4
6
t AC
©2003, Micron Technology, Inc.
20
2
1
2
1
3
SDRAM
Tn + 3
D
-8E
OUT
NOP
DON’T CARE
UNDEFINED
t OH
m+1
t HZ
6
6
ns
ns
ns
ns
ns
ns
ns
ns
Tn + 4
NOP