W27C020M-90 查看數據表（PDF） - Winbond
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W27C020M-90 Datasheet PDF : 14 Pages
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Preliminary W27C020M
TIMING WAVEFORMS
AC Read Waveform
VIH
Address
VIL
VIH
CE
VIL
VIH
OE
VIL
Outputs
High Z
Address Valid
TCE
TOE
TACC
TDF
TOH
Valid Output
High Z
Erase Waveform
VIH
Address
VIL
Data
14.0V
5.0V
VPP
VIH
CE
VIL
VIH
OE
VIL
PGM
Read
Read
Manufacturer Device
SID
SID
A9 = 12.0V
Chip Erase
A9 = 14.0V
Erase Verify
Others = V IL
A0 = V IL
A0=VIH
Others=V IL
TAS
TAS
Others = V IL
TAS
TAHC
DA
85
Data All One
Address
Stable
TDFP
DOUT
Address
Stable
DOUT
TDS
TDH
T AH
TVPS
TCE
Blank Check
Read Verify
Address
Stable
TACC
DOUT
5V
TOE
TOE
TOES
TOE
TCES
TPWE
TOEV
-8-
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