mt48lc4m32b2tg-7-it Micron Semiconductor Products, mt48lc4m32b2tg-7-it Datasheet - Page 42

• Manufacturer Part Number: mt48lc4m32b2tg-7-it
• Description: 128mb X32 Sdram
• Manufacturer: Micron Semiconductor Products

Table 13:
Table 14:
PDF: 09005aef80872800/Source: 09005aef80863355
128MbSDRAMx32_2.fm - Rev. K 9/07 EN
Parameter
Die Revision
Operating case temperature:
Commercial
Junction temperature:
Commercial
Industrial
Ambient temperature:
Commercial
Industrial
Peak reflow temperature
G
Industrial
Temperature Limits
Thermal Impedance Simulated Values
Package
Notes:
Notes:
90-ball
VFBGA
86-pin
TSOP
1. MAX operating case temperature, T
2. Device functionality is not guaranteed if the device exceeds maximum T
3. Both temperature specifications must be satisfied
4. The case temperature should be measured by gluing a thermocouple to the top center of
5. Operating ambient temperature surrounding the package.
1. For designs expected to last beyond the die revision listed, contact Micron Applications
2. Thermal resistance data is sampled from multiple lots and the values should be viewed as
3. These are estimates; actual results may vary.
Substrate
side of the device, as shown in Figures 31 and 32 on page 43.
the component. This should be done with a 1mm bead of conductive epoxy, as defined by
the JEDEC EIA/JESD51 standards. Care should be taken to ensure the thermocouple bead is
touching the case.
Engineering to confirm thermal impedance values.
typical.
2-layer
4-layer
2-layer
4-layer
θ JA (°C/W)
Airflow =
0m/s
82.2
64.6
48.2
55
42
θ JA (°C/W)
Airflow =
1m/s
47.2
50.8
41.1
65
Symbol
C
, is measured in the center of the package on the top
T
PEAK
T
Micron Technology, Inc., reserves the right to change products or specifications without notice.
T
T
A
C
J
θ JA (°C/W)
Airflow =
2m/s
Min
59.7
45.1
45.3
38.1
-40
-40
-40
0
0
0
–
Electrical Specifications
Max
260
80
90
85
95
70
85
θ JB (°C/W)
©2001 Micron Technology, Inc. All rights reserved.
128Mb: x32 SDRAM
49.4
40.6
37.5
32.1
Units
C
°C
°C
°C
°C
during operation.
θ JC (°C/W)
10.3
1, 2, 3, 4
1.8
Notes
3, 5
3