W27E520 Datasheet, PDF (8/16 Pages) Winbond – 64K X 8 ELECTRICALLY ERASABLE EPROM

TIMING WAVEFORMS
AC Read Waveform
W27E520
VIH
A8-A15
VIL
VIH
ALE
VIL
VIH
OE/Vpp
VIL
AD0-AD7
TALE
High Z
TCE
TOE
TAS
TAH
Address
TACC
Address Valid
TDF
TOH
Data
High Z
Programming Waveform
A[15:8] ^VIH
V IL
13V
V_IH
OE/Vpp _{V IL}
ALE ^VIH
V IL
AD[7:0] ^VIH
V IL
PROGRAM
TAS
TRPT
Address Stable
PROGRAM (VERIFY)
TAH
TVS
TOES TOEH
T^ALE
TLAS
T_LAH
TPPW
T DS
TDH
Add
Data in
TVR
TALE
TPOE
Add
TDFP
Data out
-8-