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參數(shù)資料
| 型號： | EDS2532CABH |
| 廠商： | Elpida Memory, Inc. |
| 英文描述： | 256M bits SDRAM (8M words x 32 bits) |
| 中文描述： | 256M位的SDRAM（800萬字× 32位） |
| 文件頁數(shù)： | 47/48頁 |
| 文件大?。?/td> | 578K |
| 代理商： | EDS2532CABH |
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EDS2532CABH
Data Sheet E0395E40 (Ver. 4.0)
47
NOTES FOR CMOS DEVICES
1
PRECAUTION AGAINST ESD FOR MOS DEVICES
Exposing the MOS devices to a strong electric field can cause destruction of the gate
oxide and ultimately degrade the MOS devices operation. Steps must be taken to stop
generation of static electricity as much as possible, and quickly dissipate it, when once
it has occurred. Environmental control must be adequate. When it is dry, humidifier
should be used. It is recommended to avoid using insulators that easily build static
electricity. MOS devices must be stored and transported in an anti-static container,
static shielding bag or conductive material. All test and measurement tools including
work bench and floor should be grounded. The operator should be grounded using
wrist strap. MOS devices must not be touched with bare hands. Similar precautions
need to be taken for PW boards with semiconductor MOS devices on it.
2
HANDLING OF UNUSED INPUT PINS FOR CMOS DEVICES
No connection for CMOS devices input pins can be a cause of malfunction. If no
connection is provided to the input pins, it is possible that an internal input level may be
generated due to noise, etc., hence causing malfunction. CMOS devices behave
differently than Bipolar or NMOS devices. Input levels of CMOS devices must be fixed
high or low by using a pull-up or pull-down circuitry. Each unused pin should be connected
to V
DD
or GND with a resistor, if it is considered to have a possibility of being an output
pin. The unused pins must be handled in accordance with the related specifications.
3
STATUS BEFORE INITIALIZATION OF MOS DEVICES
Power-on does not necessarily define initial status of MOS devices. Production process
of MOS does not define the initial operation status of the device. Immediately after the
power source is turned ON, the MOS devices with reset function have not yet been
initialized. Hence, power-on does not guarantee output pin levels, I/O settings or
contents of registers. MOS devices are not initialized until the reset signal is received.
Reset operation must be executed immediately after power-on for MOS devices having
reset function.
CME0107
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EDS2532CABH-1A-E | GT 25C 25#12 PIN PLUG |
| EDS2532CABH-1AL-E | GT 5C 3#4 2#16 PIN PLUG |
| EDS2532AABH-75 | 71-580584-09S |
| EDS2532AABH-75-E | GT 3C 3#0 PIN PLUG |
| EDS2532CABH-75-E | GT 3C 3#0 SKT PLUG |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EDS2532CABH-1A-E | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM (8M words x 32 bits) |
| EDS2532CABH-1AL-E | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM (8M words x 32 bits) |
| EDS2532CABH-75-E | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM (8M words x 32 bits) |
| EDS2532CABH-75L-E | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM (8M words x 32 bits) |
| EDS2532CABJ | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM |
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