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參數(shù)資料
| 型號(hào)： | WE256K32-250G2TIEA |
| 廠商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分類(lèi)： | PROM |
| 英文描述： | 256K X 32 EEPROM 5V MODULE, 250 ns, CQFP68 |
| 封裝： | 22.40 X 22.40 MM, 4.57 MM HEIGHT, HERMETIC SEALED, CERAMIC, LQFP-68 |
| 文件頁(yè)數(shù)： | 8/11頁(yè) |
| 文件大?。?/td> | 0K |
| 代理商： | WE256K32-250G2TIEA |
6
White Electronic Designs Corporation Phoenix, AZ (602) 437-1520
WE256K32-XG2TXE
DATA POLLING
The WE256K32-XG2TXE 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)
FIG. 6
DATA POLLING
WAVEFORMS
Parameter
Symbol
Min
Max
Unit
Data Hold Time
tDH
10
ns
OE Hold Time
tOEH
10
ns
OE To Output Valid
tOE
55
ns
WE
t OEH
t DH
t OE
HIGH Z
CS
OE
I/O7
ADDRESS
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| WE256K8-150CC | 制造商:Microsemi Corporation 功能描述:256K X 8 EEPROM MODULE, 150NS, 32 DIP, COMMERCIAL SCREENED - Bulk |
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