mt48lc16m4a2tg Micron Semiconductor Products, mt48lc16m4a2tg Datasheet - Page 42

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

TIMING PARAMETERS
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
DQML, DQMH
*CAS latency indicated in parentheses.
SYMBOL* MIN MAX MIN MAX MIN MAX MIN MAX UNITS
t
t
t
t
t
t
t
t
t
t
AC(3)
AC(2)
AH
AS
CH
CL
CK(3)
CK(2)
CKH
CKS
COMMAND
A0-A9, A11
BA0, BA1
DQM /
CLK
CKE
A10
DQ
2. x16: A8, A9 and A11 = “Don’t Care”
1.5
2.5
2.5
1.5
x8: A9 and A11 = “Don’t Care”
x4: A11 = “Don’t Care”
t CKS
t CMS
1
6
–
1
t AS
t AS
t AS
-6
ACTIVE
T0
ROW
ROW
BANK
5.5
t CMH
t CKH
–
t AH
t AH
t AH
t RCD
t RAS
t RC
0.8
1.5
2.5
2.5
7.5
0.8
1.5
7
-7E
t CK
T1
5.4
5.4
NOP
ENABLE AUTO PRECHARGE
0.8
1.5
2.5
2.5
7.5
0.8
1.5
10
-75
t CMS
t CL
COLUMN m 2
READ – WITH AUTO PRECHARGE
5.4
6
T2
BANK
READ
t CMH
t CH
CAS Latency
10
1
2
3
3
8
1
2
-8E
6
6
T3
NOP
t LZ
t AC
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
42
T4
NOP
D
OUT
t OH
t AC
SYMBOL* MIN MAX MIN MAX MIN MAX MIN MAX UNITS
t
t
t
t
t
t
t
t
t
t
m
CMH
CMS
HZ(3)
HZ(2)
LZ
OH
RAS
RC
RCD
R P
D
T5
OUT
NOP
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1.5
m + 1
42
60
18
18
t OH
1
1
2
t AC
-6
120,000
5.5
–
1
D
T6
OUT
NOP
0.8
1.5
37 120,000
60
15
15
1
3
m + 2
t OH
-7E
t AC
t RP
64Mb: x4, x8, x16
5.4
5.4
D
0.8
1.5
T7
44 120,000
66
20
20
OUT
NOP
1
3
-75
m + 3
t OH
t HZ
5.4
6
©2003, Micron Technology, Inc.
SDRAM
50
70
20
20
1
2
1
3
T8
ROW
BANK
ACTIVE
ROW
DON’T CARE
UNDEFINED
-8E
120,000
6
6
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns