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W55FXX 데이터 시트보기 (PDF) - Winbond
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W55FXX
SERIAL FLASH EEPROM SERIES
Winbond
W55FXX Datasheet PDF : 7 Pages
1
2
3
4
5
6
7
W55FXX
PIN DESCRIPTION
NO. PIN NAME I/O
1
EOP
O
2
CTRL
I
3
V
SS
I
4
ADDR
I
5
DATA
I/O
6
CLK
I
7
V
DD
I
8
MODE
I
DESCRIPTION
End of process signal output
Enable signal for program and erase operations when MODE = 0
Input clock for mode counter when MODE = 1
Ground
Input clock for start adress shift-in
Bidirectional data line
Input clock for data write-in and read-out
Positive voltage supply
Mode select control pin
BLOCK DIAGRAM
CLK
DATA
ADDR
CTRL
MODE
EOP
shift register
/address counter
Decoder
Write-in Buffer
Control
Circuit
page-code cells
/page-code flag
/comparator
Output
Buffer
POR
Circuit
Core
Array
Pump
Circuit
-2-
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