w27e02 ETC-unknow, w27e02 Datasheet - Page 9

• Manufacturer Part Number: w27e02
• Manufacturer: ETC-unknow

Timing Waveforms, Continued
Erase Waveform 1
Erase Waveform 2
Address
Data
V
#CE
#OE
#PGM
PP
Address
12.0V
Data
5.0V
V
V
V
V
V
V
V
#CE
#OE
#PGM
IH
IH
IH
IL
IL
IL
PP
12.0V
5.0V
V
V
V
V
V
V
IH
IH
IH
IL
IL
IL
Manufacturer
T
CE
T
OE
T
A0 = V
AS
Read
Others = V
SID
DA
Manufacturer
T
A9 = 12.0V
CE
T
IL
OE
T
A0 = V
T
AS
OE
Read
Others=V IL
Others = V
T
SID
AS
DA
Device
IL
A0=V IH
SID
A9 = 12.0V
Read
85
IL
T
OE
Others=V IL
T
T
AS
DS
Device
IL
A0=V IH
T
SID
Read
VPS
85
T
AS
Command 1
T
5555
CES
T
T
CES
AA
VPS
T
T
T
AS
Others = V
DS
PWP
A9 = 12.0V
Chip Erase
Chip Erase
Data All One
T
T
PWE
AHC
Command 2
IL
2AAA
T
T
AHC
PWP
- 9 -
10
T
T
OES
DH
Address
Stable
Erase Verify
T
DH
T
T
OEV
DFP
T
OES
D
Erase Verify
Address
OUT
Stable
T
T
T
OEV
AH
DFP
D
OUT
Address
Stable
T
Preliminary W27E02
Publication Release Date: May 30, 2002
AH
Address
Stable
D
OUT
D
OUT
T
ACC
T
Blank Check
Read Verify
OE
Address
Stable
T
D
ACC
T
Blank Check
Read Verify
OE
Address
Stable
OUT
= VDD
D
OUT
= VDD
Revision A1