參數(shù)資料
型號(hào): CAT28LV256T13E-30T
英文描述: 256K-Bit CMOS PARALLEL E2PROM
中文描述: 256K位CMOS并行E2PROM的
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 78K
代理商: CAT28LV256T13E-30T
CAT28LV256
8
Doc. No. 1071, Rev. B
WE
CE
OE
I/O6
tOEH
tOE
tOES
tWC
(1)
(1)
ADDRESS
CE
WE
OE
I/O7
DIN = X
DOUT = 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/O
7
(I/O
0
–I/O
6
are indeterminate) until the programming cycle is com-
plete. 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 can
determine the completion of a write cycle, while a write
cycle is in progress, by reading data from the device.
This results in I/O
6
toggling between one and zero. Once
the write is complete, however, I/O
6
stops toggling and
valid data can be read from the device.
Figure 7. DATA Polling
28LV256 F10
Figure 8. Toggle Bit
28LV256 F11
Note:
(1)
Beginning and ending state of I/O
6
is indeterminate.
相關(guān)PDF資料
PDF描述
CAT28LV256 256K-Bit CMOS Parallel EEPROM(低壓,快速,低功耗,256K位(32K x 8位)并行CMOS EEPROM)
CAT28LV65PA-20T The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
CAT28LV65KI-25T The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
CAT28LV65L-15T The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
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