MT48LC16M4A2 Micron Technology, MT48LC16M4A2 Datasheet - Page 52

• Manufacturer Part Number: MT48LC16M4A2
• Description: SYNCHRONOUS DRAM
• Manufacturer: Micron Technology

TIMING PARAMETERS
*CAS latency indicated in parentheses.
NOTE: 1. For this example, the burst length = 4.
64Mb: x4, x8, x16 SDRAM
64MSDRAM_F.p65 – Rev. F; Pub. 1/03
DQML, DQMH
SYMBOL* MIN MAX MIN MAX MIN MAX MIN MAX UNITS
t
t
t
t
t
t
t
t
t
t
AH
AS
CH
CL
CK(3)
CK(2)
CKH
CKS
CMH
CMS
COMMAND
A0-A9, A11
BA0, BA1
DQM /
CLK
CKE
A10
DQ
2. x16: A8, A9 and A11 = “Don’t Care”
t CMS
t CKS
1.5
2.5
2.5
1.5
1.5
x8: A9 and A11 = “Don’t Care”
x4: A11 = “Don’t Care”
1
6
–
1
1
t AS
t AS
t AS
ACTIVE
BANK 0
T0
ROW
ROW
-6
t CKH
t CMH
t AH
t AH
t AH
t RCD - BANK 0
t RAS - BANK 0
t
t
RC - BANK 0
RRD
0.8
1.5
2.5
2.5
7.5
0.8
1.5
0.8
1.5
t CK
7
-7E
T1
NOP
ENABLE AUTO PRECHARGE
t CMS
ALTERNATING BANK WRITE ACCESSES
0.8
1.5
2.5
2.5
7.5
0.8
1.5
0.8
1.5
10
t CL
t DS
COLUMN m 2
-75
BANK 0
WRITE
T2
D
IN
t CMH
t CH
t DH
m
10
1
2
3
3
8
1
2
1
2
t DS
-8E
D
IN
T3
NOP
m + 1
t DH
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t DS
D
ACTIVE
BANK 1
IN
T4
ROW
ROW
m + 2
t DH
52
t RCD - BANK 1
SYMBOL* MIN MAX MIN MAX MIN MAX MIN MAX UNITS
t
t
t
t
t
t
t
t
t DS
DH
DS
RAS
RC
RCD
RP
RRD
WR
D
IN
T5
NOP
m + 3
t DH
t WR - BANK 0
ENABLE AUTO PRECHARGE
1 CLK
+ 6ns
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1.5
42 120,000
60
18
18
12
1
t DS
COLUMN b 2
BANK 1
WRITE
-6
T6
D
IN
t DH
b
1 CLK
+ 7ns
0.8
1.5
37
60
15
15
14
t DS
-7E
1
t RP - BANK 0
D
NOP
IN
T7
64Mb: x4, x8, x16
120,000
b + 1
t DH
+ 7.5ns
1 CLK
0.8
1.5
44 120,000
66
20
20
15
t DS
D
-75
IN
NOP
T8
b + 2
t DH
©2003, Micron Technology, Inc.
1 CLK
+ 7ns
SDRAM
50 120,000
70
20
20
20
1
2
t DS
-8E
D
BANK 0
ACTIVE
T9
IN
ROW
ROW
b + 3
t
t
RCD - BANK 0
WR - BANK 1
DON’T CARE
t DH
ns
ns
ns
ns
ns
ns
ns
–