W49F020-70 Winbond, W49F020-70 Datasheet - Page 13
W49F020-70
Manufacturer Part Number
W49F020-70
Description
256K X 8 CMOS FLASH MEMORY
Manufacturer
Winbond
Datasheet
1.W49F020-70.pdf
(21 pages)
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AC Characteristics, continued
Data Polling and Toggle Bit Timing Parameters
TIMING WAVEFORMS
Read Cycle Timing Diagram
OE to Data Polling Output Delay
CE to Data Polling Output Delay
OE to Toggle Bit Output Delay
CE to Toggle Bit Output Delay
Address A17-0
DQ7-0
PARAMETER
WE
CE
OE
High-Z
V
IH
T
T
T
T
SYM.
OEP
CEP
OET
CET
T
CLZ
T
OLZ
T
CE
T
T
RC
OE
MIN.
- 13 -
-
-
-
-
W49F020-70
Data Valid
T
MAX.
OH
35
70
35
70
Preliminary W49F020
T
AA
Publication Release Date: October 1999
MIN.
Data Valid
W49F020-90
-
-
-
-
T
CHZ
MAX.
High-Z
T
40
90
40
90
OHZ
Revision A1
UNIT
nS
nS
nS
nS
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