MT41J256M4HX-15E:D TR Micron Technology Inc, MT41J256M4HX-15E:D TR Datasheet - Page 103

• Manufacturer Part Number: MT41J256M4HX-15E:D TR
• Description: IC DDR3 SDRAM 1GBIT 78FBGA
• Manufacturer: Micron Technology Inc
• Type: DDR3 SDRAMr

Specifications of MT41J256M4HX-15E:D TR

• Format - Memory: RAM
• Memory Type: DDR3 SDRAM
• Memory Size: 1G (256M x 4)
• Speed: 667MHz
• Interface: Parallel
• Voltage - Supply: 1.425 V ~ 1.575 V
• Operating Temperature: 0°C ~ 95°C
• Package / Case: 78-FBGA
• Organization: 256Mx4
• Density: 1Gb
• Address Bus: 17b
• Maximum Clock Rate: 1.333GHz
• Operating Supply Voltage (typ): 1.5V
• Package Type: FBGA
• Operating Temp Range: 0C to 95C
• Operating Supply Voltage (max): 1.575V
• Operating Supply Voltage (min): 1.425V
• Supply Current: 220mA
• Pin Count: 78
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Setup, Hold, and Derating
Table 62: Data Setup and Hold Values at 1 V/ns (DQS, DQS# at 2 V/ns) – AC/DC-Based
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
t
t
t
DS (base) AC175
DS (base) AC150
DS (base) AC135
t
DH (base)
Symbol
DC100
DDR3-800
125
150
75
–
The total
sheet
ble 54 (page 76)) to the Δ
respectively. Example:
the input signal has to remain above/below V
ble 66 (page 105)).
Although the total setup time for slow slew rates might be negative (for example, a valid
input signal will not have reached V
tion), a valid input signal is still required to complete the transition and to reach V
V
derating values may obtained by linear interpolation.
Setup (
last crossing of V
rate for a falling signal is defined as the slew rate between the last crossing of V
and the first crossing of V
slew rate line between the shaded “V
for derating value (see Figure 38 (page 106)). If the actual signal is later than the nomi-
nal slew rate line anywhere between the shaded “V
of a tangent line to the actual signal from the AC level to the DC level is used for derat-
ing value (see Figure 40 (page 108)).
Hold (
last crossing of V
rate for a falling signal is defined as the slew rate between the last crossing of V
and the first crossing of V
slew rate line between the shaded “DC-to-V
for derating value (see Figure 39 (page 107)). If the actual signal is earlier than the nom-
inal slew rate line anywhere between the shaded “DC-to-V
of a tangent line to the actual signal from the “DC-to-V
ing value (see Figure 41 (page 109)).
IL(AC)
DDR3-1066 DDR3-1333
t
. For slew rates which fall between the values listed in Table 64 (page 104), the
t
DS (base) and
DH) nominal slew rate for a rising signal is defined as the slew rate between the
t
DS) nominal slew rate for a rising signal is defined as the slew rate between the
100
25
75
–
t
DS (setup time) and
REF(DC)
IL(DC)max
t
30
65
DH (base) values (see Table 62 (page 103); values come from Ta-
–
–
t
DS (total setup time) =
and the first crossing of V
t
IL(AC)max
REF(DC)
DS and Δ
and the first crossing of V
103
DDR3-1600
t
DH (hold time) required is calculated by adding the data
. If the actual signal is always later than the nominal
. If the actual signal is always earlier than the nominal
10
45
t
–
–
DH derating values (see Table 63 (page 104)),
IH(AC)
REF(DC)
Micron Technology, Inc. reserves the right to change products or specifications without notice.
/V
IL(AC)
-to-AC region,” use the nominal slew rate
REF(DC)
DDR3-1866
Data Setup, Hold, and Derating
IH(AC)
t
1Gb: x4, x8, x16 DDR3 SDRAM
DS (base) + Δ
) at the time of the rising clock transi-
20
IH(AC)min
0
–
–
/V
REF(DC)
REF(DC)
region,” use the nominal slew rate
IL(AC)
REF(DC)
-to-AC region,” the slew rate
. Setup (
. Hold (
REF(DC)
for some time
Units
t
DS. For a valid transition,
© 2006 Micron Technology, Inc. All rights reserved.
region” is used for derat-
ps
ps
ps
ps
t
DH) nominal slew
region,” the slew rate
t
DS) nominal slew
V
V
V
V
t
Reference
VAC (see Ta-
IH(AC)
IH(AC)
IH(AC)
IH(DC)
/V
/V
/V
/V
REF(DC)
IH(DC)min
IL(AC)
IL(AC)
IL(AC)
IL(DC)
IH
/