MT47H32M8BP-5E IT:B TR Micron Technology Inc, MT47H32M8BP-5E IT:B TR Datasheet - Page 56
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MT47H32M8BP-5E IT:B TR
Manufacturer Part Number
MT47H32M8BP-5E IT:B TR
Description
Manufacturer
Micron Technology Inc
Type
DDR2 SDRAMr
Datasheet
1.MT47H32M8BP-5E_ITB_TR.pdf
(128 pages)
Specifications of MT47H32M8BP-5E IT:B TR
Organization
32Mx8
Density
256Mb
Address Bus
15b
Access Time (max)
600ps
Maximum Clock Rate
400MHz
Operating Supply Voltage (typ)
1.8V
Package Type
FBGA
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
1.9V
Operating Supply Voltage (min)
1.7V
Supply Current
125mA
Pin Count
60
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Compliant
Table 30: DDR2-400/533
All units are shown in picoseconds
PDF: 09005aef8117c187
256MbDDR2.pdf - Rev. M 7/09 EN
(V/ns)
Slew
Rate
DQ
2.0
1.5
1.0
0.9
0.8
0.7
0.6
0.5
0.4
t
125
83
4.0 V/ns
DS
Δ
0
–
–
–
–
–
–
t
DH
45
21
Δ
0
–
–
–
–
–
–
t
125
–11
Notes:
DS
83
3.0 V/ns
Δ
0
–
–
–
–
–
t
–14
DH
45
21
Δ
0
–
–
–
–
–
t
DS,
1. For all input signals, the total
2.
3.
4. Although the total setup time might be negative for slow slew rates (a valid input signal
5. For slew rates between the values listed in this table, the derating values may be ob-
6. These values are typically not subject to production test. They are verified by design and
7. Single-ended DQS requires special derating. The values in Table 32 (page 58) are the
t
sheet value to the derating value listed in Table 30.
t
crossing of V
signal is defined as the slew rate between the last crossing of V
ing of V
between the shaded “V
value (see Figure 26 (page 60)). If the actual signal is later than the nominal slew rate
line anywhere between the shaded “V
line to the actual signal from the AC level to DC level is used for the derating value (see
Figure 27 (page 60)).
t
crossing of V
signal is defined as the slew rate between the last crossing of V
ing of V
between the shaded “DC level to V
rating value (see Figure 28 (page 61)). If the actual signal is earlier than the nominal
slew rate line anywhere between shaded “DC to V
gent line to the actual signal from the DC level to V
value (see Figure 29 (page 61)).
will not have reached V
put signal is still required to complete the transition and reach V
tained by linear interpolation.
characterization.
DQS single-ended slew rate derating with DQS referenced at V
the logic levels
to the AC/DC trip points to DQ referenced to V
Table 35 (page 59). Table 34 provides the V
(
the DQ (
125
–11
–25
t
83
DS nominal slew rate for a rising signal is defined as the slew rate between the last
DH nominal slew rate for a rising signal is defined as the slew rate between the last
t
2.0 V/ns
DS
Δ
0
–
–
–
–
DS
DH Derating Values with Differential Strobe
a
and
t
–14
–31
DH
45
21
Δ
0
–
–
–
–
IL(AC)max
REF(DC)
t
DS
t
DH
a
DQS, DQS# Differential Slew Rate
t
REF(DC)
IL(DC)max
–13
–31
and
DS
95
12
1.8 V/ns
a
Δ
. If the actual signal is always later than the nominal slew rate line
–
1
–
–
–
) for DDR2-533. Table 35 provides the V
t
. If the actual signal is always earlier than the nominal slew rate line
DS
t
DH
b
t
–19
–42
and the first crossing of V
DH
33
12
–2
Δ
and
–
–
–
–
and the first crossing of V
a
) for DDR2-400.
IH[AC]
REF(DC)
t
DH
t
–19
–43
56
DS
24
13
–1
1.6 V/ns
Δ
–
–
–
–
b
/V
. Converting the derated base values from DQ referenced
t
to AC region,” use the nominal slew rate for the derating
DS and
IL[AC]
t
–30
–59
DH
24
10
–7
Δ
–
–
–
–
REF(DC)
at the time of the rising clock transition), a valid in-
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t
t
REF(DC)
–31
–74
DH required is calculated by adding the data
DS
25
11
–7
1.4 V/ns
Δ
–
–
–
–
256Mb: x4, x8, x16 DDR2 SDRAM
region,” use the nominal slew rate for the de-
REF
t
IH(AC)min
to AC region,” the slew rate of a tangent
–18
–47
–89
DH
22
-based fully derated values for the DQ
Δ
–
–
–
5
–
REF(DC)
REF
is listed in Table 34 (page 59) and
REF(DC)
–127 –140 –115 –128 –103 –116
Input Slew Rate Derating
t
–19
–62
REF(DC)
23
DS
1.2 V/ns
Δ
.
.
–
–
–
–
5
t
t
REF
DH nominal slew rate for a falling
DS nominal slew rate for a falling
-based fully derated values for
region,” the slew rate of a tan-
t
–35
–77
level is used for the derating
DH
17
–6
Δ
–
–
–
–
©2003 Micron Technology, Inc. All rights reserved.
IH(DC)min
REF
REF(DC)
t
–50
IH(AC)
DS
17
–7
1.0 V/ns
Δ
–
–
–
–
–
and DQ referenced at
/V
and the first cross-
and the first cross-
t
–23
–65
DH
IL(AC)
Δ
–
–
–
–
–
6
.
t
–38
DS
0.8 V/ns
Δ
5
–
–
–
–
–
–
t
–11
–53
DH
Δ
–
–
–
–
–
–