Programming waveform, Timing waveforms, continued – Rainbow Electronics W27E040 User Manual
Page 9
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W27E040
Publication Release Date: May 1997
- 9 -
Revision A1
Timing Waveforms, continued
Programming Waveform
Address
Data
12.0V
5.0V
CE
Address Stable
Program
Read
Verify
Address Stable
Address Valid
Verify
Data In Stable
5V
Program
D
OUT
T
AH
D
OUT
D
OUT
T
DH
T
DS
T
VPS
T
ACC
T
DFP
T
AS
V
IH
V
IL
V
IH
V
IL
V
PP
OE
T
OES
T
OEV
T
OE
V
IH
V
IL
T
PWP
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