MT47H16M16BG-37E:B TR Micron Technology Inc, MT47H16M16BG-37E:B TR Datasheet - Page 31
![IC DDR2 SDRAM 256MBIT 84FBGA](/photos/7/23/72318/mfg557-84-fbga_sml.jpg)
MT47H16M16BG-37E:B TR
Manufacturer Part Number
MT47H16M16BG-37E:B TR
Description
IC DDR2 SDRAM 256MBIT 84FBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT47H16M16BG-3B_TR.pdf
(128 pages)
Specifications of MT47H16M16BG-37E:B TR
Format - Memory
RAM
Memory Type
DDR2 SDRAM
Memory Size
256M (16Mx16)
Speed
3.75ns
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.9 V
Operating Temperature
0°C ~ 85°C
Package / Case
84-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
557-1045-1
MT47H16M16BG-37E:B
MT47H16M16BG-37E:B
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Table 11: 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
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
REFRESH-
to-
ACTIVATE
or to
-REFRESH
interval
Average periodic
refresh
(commercial)
Average periodic
refresh
(industrial)
Average periodic
refresh
(automotive)
CKE LOW to CK,
CK# uncertainty
= +1.8V ±0.1V, V
Parameter
AC Characteristics
256Mb
512Mb
1Gb
2Gb
DD
Symbol
t
t
= +1.8V ±0.1V
t
DELAY
t
REFI
t
t
t
t
REFI
t
t
MRD
t
WTR
CCD
DAL
REFI
RTP
RFC
WR
AT
IT
t
127.5
197.5
WR +
Min
105
7.5
t
7.5
15
75
RP
2
2
–
–
–
-187E
Max
7.8
3.9
3.9
–
–
–
–
–
–
–
–
–
–
t
127.5
197.5
WR +
Min
105
7.5
t
7.5
15
75
RP
2
2
–
–
–
-25E
Max
7.8
3.9
3.9
–
–
–
–
–
–
–
–
–
–
t
127.5
197.5
WR +
Min
105
t
7.5
7.5
15
75
RP
2
2
–
–
–
-25
MIN limit =
Max
7.8
3.9
3.9
–
–
–
–
–
–
–
–
–
–
MAX limit = n/a
t
127.5
197.5
WR +
Min
105
7.5
t
7.5
15
75
RP
2
2
–
–
–
-3E
t
IS +
Max
7.8
3.9
3.9
t
–
–
–
–
–
–
–
–
–
–
CK +
t
127.5
197.5
WR +
Min
105
t
t
7.5
7.5
15
75
IH
RP
2
2
–
–
–
-3
Max
7.8
3.9
3.9
–
–
–
–
–
–
–
–
–
–
t
127.5
197.5
WR +
Min
105
t
7.5
7.5
15
75
RP
2
2
–
–
–
-37E
Max
7.8
3.9
3.9
–
–
–
–
–
–
–
–
–
–
t
127.5
197.5
WR +
Min
105
7.5
t
15
10
75
RP
2
2
–
–
–
-5E
Max
7.8
3.9
3.9
–
–
–
–
–
–
–
–
–
–
Units Notes
t
t
ns
CK
ns
ns
ns
CK
ns
µs
µs
µs
ns
18, 37,
18, 37
18, 37
18, 41
18, 41
18, 41
18, 41
39
18
40
18
42
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