參數(shù)資料
型號(hào)： MT48LC32M4A2P-7ELIT:G
元件分類： DRAM
英文描述： 32M X 4 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
封裝： 0.400 INCH, LEAD FREE, PLASTIC, TSOP2-54
文件頁(yè)數(shù)： 41/74頁(yè)
文件大?。?/td> 2385K
PDF: 09005aef8091e66d/Source: 09005aef8091e625
Micron Technology, Inc., reserves the right to change products or specifications without notice.
128MSDRAM_2.fm - Rev. N 1/09 EN
46
1999 Micron Technology, Inc. All rights reserved.
128Mb: x4, x8, x16 SDRAM
Electrical Specifications
Stresses greater than those listed in Table 11 may cause permanent damage to the
device. This is a stress rating only, and functional operation of the device at these or any
other conditions above those indicated in the operational sections of this specification is
not implied. Exposure to absolute maximum rating conditions for extended periods may
affect reliability.
Temperature and Thermal Impedance
It is imperative that the SDRAM device’s temperature specifications, shown in Table 12
on page 47, be maintained to ensure the junction temperature is in the proper operating
range to meet data sheet specifications. An important step in maintaining the proper
junction temperature is using the device’s thermal impedances correctly. The thermal
impedances are listed in Table 13 on page 47 for the applicable die revision and pack-
ages being made available. These thermal impedance values vary according to the
density, package, and particular design used for each device.
The SDRAM device’s safe junction temperature range can be maintained when the TC
specification is not exceeded. In applications where the device’s ambient temperature is
too high, use of forced air and/or heat sinks may be required to satisfy the case tempera-
ture specifications.
Table 11:
Absolute Maximum Ratings
Parameter
Min
Max
Rating
Voltage on VDD/VDDQ supply relative to VSS
–1
+4.6
V
Voltage on inputs, NC or I/O pins relative to VSS
–1
+4.6
V
Operating temperature
TA (commercial)
TA (industrial)
TA (automotive)
0
–40
+70
+85
+105
°C
Storage temperature (plastic)
–55
+150
°C
Power dissipation
1W
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