MT47H256M8EB-25E:C Micron Technology Inc, MT47H256M8EB-25E:C Datasheet - Page 37

• Manufacturer Part Number: MT47H256M8EB-25E:C
• Description: 256MX8 DDR2 SDRAM PLASTIC GREEN FBGA 1.8V
• Manufacturer: Micron Technology Inc
• Series: -r

Specifications of MT47H256M8EB-25E:C

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 2G (256M x 8)
• Speed: 2.5ns
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 60-TFBGA
• Lead Free Status / Rohs Status: Compliant

Table 12: AC Operating Specifications and Conditions (Continued)
Not all speed grades listed may be supported for this device; refer to the title page for speeds supported; Notes: 1–5 apply to the entire table;
V
DDQ
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
PRE-
CHARGE
ALL period
ACTIVATE
-to-
ACTIVATE
delay
different
bank
4-bank
activate
period
(≥1Gb)
= +1.8V ±0.1V, V
Parameter
AC Characteristics
x4, x8
x4, x8
<1Gb
≥1Gb
x16
x16
DD
Symbol
= +1.8V ±0.1V
t
t
t
t
t
t
t
t
t
t
FAW
FAW
t
t
t
RCD
RPA
RPA
RRD
RRD
IPW
t
RAS
t
IHb
IHa
ISb
ISa
RC
RP
13.125
13.125
13.125
Min
125
200
325
325
0.6
7.5
54
40
15
10
35
45
-187E
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Min
12.5
12.5
12.5
175
250
375
375
0.6
7.5
55
40
15
10
35
45
-25E
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Min
17.5
175
250
375
375
0.6
7.5
55
15
40
15
15
10
35
45
-25
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
Min
37.5
200
275
400
400
0.6
7.5
54
12
40
12
12
15
10
50
-3E
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
Min
37.5
200
275
400
400
0.6
7.5
55
15
40
15
15
18
10
50
-3
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
18.75
Min
37.5
250
375
500
500
0.6
7.5
55
15
40
15
15
10
50
-37E
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
Min
37.5
350
475
600
600
0.6
7.5
55
15
40
15
15
20
10
50
-5E
Max
70K
–
–
–
–
–
–
–
–
–
–
–
–
–
Units Notes
t
ps
ps
ps
ps
CK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
18, 34,
31, 33
31, 33
31, 33
31, 33
18, 32
18, 34
18, 36
18, 36
18, 36
18, 37
18, 37
18, 38
18, 38
18
35