mt47h64m8b6-5e-it Micron Semiconductor Products, mt47h64m8b6-5e-it Datasheet - Page 32

• Manufacturer Part Number: mt47h64m8b6-5e-it
• Description: 512mb X4, X8, X16 Ddr2 Sdram
• Manufacturer: Micron Semiconductor Products

Table 11:
Input setup time
Input hold time
Input setup time
Input hold time
Input pulse width
ACTIVATE-to-
ACTIVATE delay,
same bank
ACTIVATE-to-READ
or WRITE delay
ACTIVATE-to-
PRECHARGE delay
PRECHARGE period
PRECHAR
GE ALL
period
ACTIVATE-
to-
ACTIVATE
delay
different
bank
4-bank
activate
period
Internal READ-to-
PRECHARGE delay
CAS#-to-CAS#
delay
Write recovery
time
Write AP recovery
+ precharge time
Internal WRITE-to-
READ delay
LOAD MODE cycle
time
Parameter
AC Characteristics
AC Operating Specifications and Conditions for -187E, -25E, -3E, -3, -37E, and -5E Speeds (Sheet 5 of 7)
Not all speed grades listed may be supported for this device; refer to the title page for speeds supported;
Notes: 1–5 (page 35) apply to the entire table; V
<1Gb
>1Gb
x4, x8
x16
x4, x8
x16
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
FAW
FAW
t
WTR
MRD
t
t
t
t
IPW
t
RCD
RAS
t
RPA
RPA
RRD
RRD
CCD
DAL
RTP
WR
IH
IH
IS
IS
RC
RP
b
a
b
a
13.125
13.125
13.125
t
WR +
Min
125
200
325
325
t
0.6
7.5
7.5
7.5
54
40
15
10
35
45
15
RP
2
2
-187E
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
t
WR +
Min
12.5
12.5
12.5
175
250
375
375
0.6
7.5
7.5
t
7.5
55
40
15
10
35
45
15
RP
2
2
-25E
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
DD
Q = +1.8V ±0.1V, V
t
WR +
Min
17.5
175
250
375
375
t
0.6
7.5
7.5
7.5
55
15
40
15
15
10
35
45
15
RP
2
2
-25
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
t
WR +
Min
37.5
200
275
400
400
0.6
7.5
7.5
t
7.5
54
12
40
12
12
15
10
50
15
RP
2
2
DD
-3E
= +1.8V ±0.1V
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
t
WR +
Min
37.5
200
275
400
400
t
0.6
7.5
7.5
7.5
15
15
15
55
40
18
10
50
15
RP
2
2
-3
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
t
18.75
WR +
Min
37.5
250
375
500
500
0.6
7.5
7.5
t
7.5
55
15
40
15
15
10
50
15
RP
2
2
-37E
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
t
WR +
Min
37.5
350
475
600
600
t
0.6
7.5
7.5
55
15
40
15
15
20
10
50
15
10
RP
2
2
-5E
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Units Notes
t
t
t
ps
ps
ps
ps
CK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CK
ns
ns
ns
CK
18, 32
18, 34
34, 35
18, 36
18, 36
18, 36
18, 37
18, 37
18, 38
18, 38
37, 39
18, 37
18, 37
31, 33
31, 33
31, 33
31, 33
18,
18,
18
18
40
18