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參數(shù)資料
| 型號： | WE128K32-150G2UQA |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | PROM |
| 英文描述： | 128K X 32 EEPROM 5V MODULE, 150 ns, CQFP68 |
| 封裝： | 22.40 MM, CERAMIC, LQFP-68 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 347K |
| 代理商： | WE128K32-150G2UQA |
7
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
WE128K32-XXX
White Electronic Designs
DATA POLLING
The WE128K32-XXX offers a data polling feature
which allows a faster method of writing to the device.
Figure 8 shows the timing diagram for this function.
During a byte or page write cycle, an attempted read
of the last byte written will result in the complement of
the written data on D7 (for each chip.) Once the write
cycle has been completed, true data is valid on all
outputs and the next cycle may begin. Data polling
may begin at any time during the write cycle.
DATA POLLING CHARACTERISTICS
(VCC = 5.0V, VSS = 0V, TA = -55°C TO +125°C)
DATA POLLING
WAVEFORMS
Parameter
Symbol
Min
Max
Unit
DataHoldTime
tDH
10
ns
OEHoldTime
tOEH
10
ns
OEToOutputValid
tOE
55
ns
WriteRecoveryTime
tWR
0ns
FIG. 8
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