W25P243A 데이터 시트보기 (PDF) - Winbond
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W25P243A Datasheet PDF : 18 Pages
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W25P243A
Write Table, continued
READ/WRITE FUNCTION
Write byte 5, byte 2
Write byte 5, byte 2, byte 1
Write byte 5, byte 3
Write byte 5, byte 3, byte 1
Write byte 5, byte 3, byte 2
Write byte 5, byte 3, byte 2, byte 1
Write byte 5, byte 4
Write byte 5, byte 4, byte 1
Write byte 5, byte 4, byte 2
Write byte 5, byte 4, byte 2, byte 1
Write byte 5, byte 4, byte 3
Write byte 5, byte 4, byte 3, byte 1
Write byte 5, byte 4, byte 3, byte 2
Write byte 5, byte 4, byte 3, byte 2,
byte 1
Write byte 6
Write byte 6, byte 1
Write byte 6, byte 2
Write byte 6, byte 2, byte 1
..... and so on .....
Write byte 8, byte 7, byte 6, byte 5,
byte 4, byte 2, byte 1
Write byte 8, byte 7, byte 6, byte 5,
byte 4, byte 3
Write byte 8, byte 7, byte 6, byte 5,
byte 4, byte 3, byte 1
Write byte 8, byte 7, byte 6, byte 5,
byte 4, byte 3, byte 2
Write all bytes
Write all bytes
GW BWE BW8 BW7 BW6 BW5 BW4 BW3 BW2 BW1
1
0
1
1
1
0
1
1
0
1
1
0
1
1
1
0
1
1
0
0
1
0
1
1
1
0
1
0
1
1
1
0
1
1
1
0
1
0
1
0
1
0
1
1
1
0
1
0
0
1
1
0
1
1
1
0
1
0
0
0
1
0
1
1
1
0
0
1
1
1
1
0
1
1
1
0
0
1
1
0
1
0
1
1
1
0
0
1
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
11
0
0
0
1
1
1
0
1
1
1
0
0
0
1
0
1
0
1
1
1
0
0
0
0
1
1
0
1
1
1
0
0
0
0
0
1
0
1
1
0
1
1
1
1
1
1
0
1
1
0
1
1
1
1
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
0
1
1
1
0
0
... ... ... ... ... ... ... ... ... ...
1
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
x
x
x
x
x
x
x
x
x
Power Down Mode
The ZZ state is a low-power state in which the device consumes less power than in the unselected
mode. Enabling the ZZ pin for a fixed period of time will force the SRAM into the ZZ state. Pulling the
ZZ pin low for a set period of time will wake up the SRAM again. While the SRAM is in ZZ mode, data
retention is guaranteed, but the chip will not monitor any input signals except for the ZZ pin. In the
unselected mode, on the other hand, all the input signals are monitored.
-6-
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