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W29C020 Datasheet, PDF (13/21 Pages) Winbond – 256K X 8 CMOS FLASH MEMORY
W29C020
AC Characteristics, continued
DA TA Polling Characteristics (1)
PARAMETER
SYMBOL
Data Hold Time
OE Hold Time
TDH
TOEH
OE to Output Delay (2)
TOE
Write Recovery Time
TWR
Notes:
(1) These parameters are characterized and not 100% tested.
(2) See TOE spec in A.C. Read Cycle Timing Parameters.
Toggle Bit Characteristics (1)
PARAMETER
SYMBOL
Data Hold Time
TDH
OE Hold Time
TOEH
OE to Output Delay (2)
TOE
OE High Pulse
TOEHP
Write Recovery Time
TWR
Notes:
(1) These parameters are characterized and not 100% tested.
(2) See TOE spec in A.C. Read Cycle Timing Parameters.
MIN.
10
10
-
0
MIN.
10
10
-
150
0
TIMING WAVEFORMS
Read Cycle Timing Diagram
TYP.
-
-
-
-
MAX.
-
-
-
-
UNIT
nS
nS
nS
nS
TYP.
-
-
-
-
-
MAX.
-
-
-
-
-
UNIT
nS
nS
nS
nS
nS
Address A17-0
CE
OE
WE
DQ7-0
VIH
High-Z
TRC
TCE
TOE
TOH
Data Valid
TAA
TOHZ
T CHZ
Data Valid
High-Z
- 13 -
Publication Release Date: February 1998
Revision A3