參數(shù)資料
型號: X28C256PI-20
英文描述: 5 Volt, Byte Alterable E2PROM
中文描述: 5伏,可變E2PROM的字節(jié)
文件頁數(shù): 4/24頁
文件大?。?/td> 113K
代理商: X28C256PI-20
4
X28C256
DATA
POLLING I/O
7
Figure 2.
DATA
Polling Bus Sequence
Figure 3.
DATA
Polling Software Flow
3855 FHD F13
DATA
Polling can effectively halve the time for writing to
the X28C256. The timing diagram in Figure 2 illustrates
the sequence of events on the bus. The software flow
diagram in Figure 3 illustrates one method of implement-
ing the routine.
3855 FHD F12
CE
OE
WE
I/O7
X28C256
READY
LAST
WRITE
HIGH Z
VOL
VIH
A0–A14
An
An
An
An
An
An
VOH
An
WRITE DATA
SAVE LAST DATA
AND ADDRESS
READ LAST
ADDRESS
IO7
COMPARE
X28C256
READY
NO
YES
WRITES
COMPLETE
NO
YES
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
X28C256PI-25 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM
X28C256PI-35 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM
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X28C256PM-20 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM
X28C256PM-25 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM