W49F020 Datasheet, PDF (13/21 Pages) Winbond – 256K X 8 CMOS FLASH MEMORY

Preliminary W49F020
AC Characteristics, continued
Data Polling and Toggle Bit Timing Parameters
PARAMETER
SYM.
W49F020-70
MIN.
MAX.
OE to Data Polling Output Delay ^TOEP
-
35
CE to Data Polling Output Delay ^TCEP
-
70
OE to Toggle Bit Output Delay
TOET
-
35
CE to Toggle Bit Output Delay
TCET
-
70
W49F020-90
MIN.
MAX.
-
40
-
90
-
40
-
90
UNIT
nS
nS
nS
nS
TIMING WAVEFORMS
Read Cycle Timing Diagram
Address A17-0
CE
OE
WE
DQ7-0
VIH
High-Z
TRC
TCE
TOE
TOLZ
TCLZ
TOH
Data Valid
TAA
TOHZ
TCHZ
Data Valid
High-Z
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Publication Release Date: October 1999
Revision A1