參數(shù)資料
型號(hào): CAT28LV64JA-25T
元件分類: PROM
英文描述: 8K X 8 EEPROM 3V, 250 ns, PDSO28
封裝: SOIC-28
文件頁(yè)數(shù): 11/12頁(yè)
文件大?。?/td> 527K
代理商: CAT28LV64JA-25T
CAT28LV64
8
Doc. No. 1010, Rev. D
WE
CE
OE
I/O6
tOEH
tOE
tOES
tWC
(1)
ADDRESS
CE
WE
OE
I/O7
DIN = X
DOUT = X
tOE
tOEH
tWC
tOES
DATA Polling
DATA polling is provided to indicate the completion of
write cycle. Once a byte write or page write cycle is
initiated, attempting to read the last byte written will
output the complement of that data on I/O7 (I/O0–I/O6
are indeterminate) until the programming cycle is
complete. Upon completion of the self-timed write cycle,
all I/O’s will output true data during a read cycle.
Toggle Bit
In addition to the DATA Polling feature, the device offers
an additional method for determining the completion of
a write cycle. While a write cycle is in progress, reading
data from the device will result in I/O6 toggling between
one and zero. However, once the write is complete, I/O6
stops toggling and valid data can be read from the
device.
Figure 7. DATA Polling
Figure 8. Toggle Bit
Note:
(1)
Beginning and ending state of I/O6 is indeterminate.
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