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參數(shù)資料
| 型號(hào)： | WE32K32N-150G2UMA |
| 廠商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分類： | PROM |
| 英文描述： | EEPROM 5V MODULE, CQFP68 |
| 封裝： | 0.140 INCH HEIGHT, CERAMIC, HERMETIC SEALED QFP-68 |
| 文件頁(yè)數(shù)： | 12/13頁(yè) |
| 文件大?。?/td> | 533K |
| 代理商： | WE32K32N-150G2UMA |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)當(dāng)前第12頁(yè)第13頁(yè)
8
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
WE32K32-XXX
March 2006
Rev. 4
White Electronic Designs Corp. reserves the right to change products or specications without notice.
PAGE WRITE OPERATION
The WE32K32-XXX has a page write operation that allows
one to 64 bytes of data to be written into the device and
consecutively loads during the internal programming
period. Successive bytes may be loaded in the same
manner after the rst data byte has been loaded. An
internal timer begins a time out operation at each write
cycle. If another write cycle is completed within 150μs
or less, a new time out period begins. Each write cycle
restarts the delay period. The write cycles can be continued
as long as the interval is less than the time out period.
PAGE WRITE CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
PAGE MODE WRITE CHARACTERISTICS
Parameter
Symbol
-80
-90
-120
-150
Unit
Min
Max
Min
Max
Min
Max
Min
Max
Write Cycle Time, TYP = 6ms
tWC
10
ms
Data Set-up Time
tDS
50
100
ns
Data Hold Time
tDH
0
10
ns
Write Pulse Width
tWP
100
150
ns
Byte Load Cycle Time
tBLC
150
μs
Write Pulse Width High
tWPH
50
ns
The usual procedure is to increment the least signicant
address lines from A0 through A5 at each write cycle. In this
manner a page of up to 64 bytes can be loaded in to the
EEPROM in a burst mode before beginning the relatively
long interval programming cycle.
After the 150μs time out is completed, the EEPROM
begins an internal write cycle. During this cycle the entire
page of bytes will be written at the same time. The internal
programming cycle is the same regardless of the number
of bytes accessed.
FIGURE 8 – PAGE WRITE WAVEFORMS
NOTE:
1. Decoded Address Lines must be valid for the duration of the write.
OE#
CS#
WE#
ADDRESS (1)
DATA
BYTE 0
BYTE 1
BYTE 2
BYTE 3
BYTE n
BYTE n + 1
VALID DATA
VALID
ADDRESS
tWC
tBLC
tWPH
tWP
tDH
tDS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WE32K32N-150G2UQ | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:32Kx32 EEPROM MODULE, SMD 5962-94614 |
| WE32K32N-150G2UQA | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:32Kx32 EEPROM MODULE, SMD 5962-94614 |
| WE32K32N-150H1C | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:32Kx32 EEPROM MODULE, SMD 5962-94614 |
| WE32K32N-150H1CA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM|32KX32|CMOS|PGA|66PIN|CERAMIC |
| WE32K32N-150H1I | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:32Kx32 EEPROM MODULE, SMD 5962-94614 |
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