W27L02 Datasheet, PDF (9/15 Pages) Winbond – 256K X 8 ELECTRIC ALLY ERASABLE EPROM

W27L02
Timing Waveforms, Continued
Erase Waveform 1
VIH
Address
VIL
Data
12.0V
5.0V
VPP
VIH
#CE
VIL
VIH
#OE
VIL
#PGM
Read
Read
Manufacturer Device
SID
SID
A9 = 12.0V
Chip Erase
A9 = 12.0V
Erase Verify
Others = VIL
A0 = V_IL
A0=VIH
Others= _IL
V
TAS
TAS
DA
85
Others = V_IL
TAS
TAHC
Data All One
Address
Stable
TDFP
DOUT
Address
Stable
DOUT
TDS
TDH
TAH
TVPS
TCE
TOE
TOE
TOES
TCES
TPWE
TOEV
Blank Check
Read Verify
Address
Stable
TACC
DOUT
= VDD
TOE
Erase Waveform 2
VIH
Address
VIL
Data
12.0V
5.0V
VPP
VIH
#CE
VIL
VIH
#OE
VIL
#PGM
Read
Read
Manufacturer Device
SID
SID
A9 = 12.0V
Chip Erase
Erase Verify
Others = VIL
A0 = V_IL
A0=VIH
Others= IL
V
TAS
TAS
Command 1
5555
TAS
DA
85
AA
T_DS
Command 2
2AAA
TAHC
10
TDH
Address
Stable
TDFP
DOUT
Address
Stable
DOUT
TAH
T_VPS
TCE
TOE
TOE
TOES
TCES
TPWP
TPWP
TOEV
Blank Check
Read Verify
Address
Stable
TACC
DOUT
= VDD
TOE
Publication Release Date: February 20, 2003
-9-
Revision A3