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參數(shù)資料
| 型號(hào)： | WE32K32-80G1UQA |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | PROM |
| 英文描述： | 32K X 32 EEPROM 5V MODULE, 80 ns, CQFP68 |
| 封裝： | 23.90 MM, CERAMIC, LQFP-68 |
| 文件頁(yè)數(shù)： | 12/14頁(yè) |
| 文件大小： | 204K |
| 代理商： | WE32K32-80G1UQA |
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)第14頁(yè)
7
WhiteElectronicDesignsCorporationPhoenix,AZ(602)437-1520
White Electronic Designs
WE32K32-XXX
DATA POLLING
The WE32K32-XXX offers a data polling feature
which allows a faster method of writing to the
device. Figure 7 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.
FIG. 7 DATA POLLING WAVEFORMS
DATA POLLING CHARACTERISTICS
(VCC = 5.0V, GND = 0V, TA = -55°C TO +125°C)
Parameter
Symbol Min Max Unit
Data Hold Time
tDH
10
ns
OE Hold Time
tOEH
10
ns
OE To Output Valid
tOE
100
ns
Write Recovery Time
tWR
0ns
WE1-4
tOEH
tDH
tOE
tWR
HIGH Z
CS1-4
OE
I/O7
ADDRESS
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