mt48lc16m4a2tg Micron Semiconductor Products, mt48lc16m4a2tg Datasheet - Page 47

• 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 burst length = 4, and 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 /
CKE
A10
CLK
DQ
2. x16: A8, A9 and A11 = “Don’t Care”
x8: A9 and A11 = “Don’t Care”
x4: A11 = “Don’t Care”
1.5
2.5
2.5
t CMS t CMH
t CKS
1
6
–
1
t AS
t AS
t AS
-6
ACTIVE
T0
ROW
ROW
BANK
5.5
t CKH
t AH
t AH
t AH
–
t RCD
0.8
1.5
2.5
2.5
7.5
0.8
7
-7E
t CK
5.4
5.4
T1
NOP
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
0.8
1.5
2.5
2.5
7.5
0.8
10
-75
t CMS
t CL
COLUMN m 2
5.4
6
T2
READ
BANK
t CMH
t CH
READ – DQM OPERATION
10
1
2
3
3
8
1
CAS Latency
-8E
6
6
T3
NOP
t
LZ
ns
ns
ns
ns
ns
ns
ns
ns
ns
t AC
47
T4
NOP
SYMBOL* MIN MAX MIN MAX MIN MAX MIN MAX UNITS
t
t
t
t
t
t
t
t
t OH
D
CKS
CMH
CMS
HZ(3)
HZ(2)
LZ
OH
RCD
t HZ
OUT
m
Micron Technology, Inc., reserves the right to change products or specifications without notice.
T5
NOP
t
1.5
1.5
18
LZ
1
1
2
t AC
-6
1
5.5
–
1.5
0.8
1.5
15
T6
1
3
NOP
-7E
D
t OH
OUT
t AC
64Mb: x4, x8, x16
5.4
5.4
m + 2
1.5
0.8
1.5
20
1
3
-75
T7
NOP
D
OUT
t OH
5.4
t HZ
6
m + 3
©2003, Micron Technology, Inc.
20
2
1
2
1
3
SDRAM
-8E
T8
NOP
DON’T CARE
UNDEFINED
6
6
ns
ns
ns
ns
ns
ns
ns
ns