w39l040p-90k Winbond Electronics Corp America, w39l040p-90k Datasheet - Page 17

• Manufacturer Part Number: w39l040p-90k
• Manufacturer: Winbond Electronics Corp America

AC Characteristics, continued
Read Cycle Timing Parameters
(V
Write Cycle Timing Parameters
Note: All AC timing signals observe the following guidelines for determining setup and hold times:
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Enable Access Time
#CE Low to Active Output
#OE Low to Active Output
#CE High to High-Z Output
#OE High to High-Z Output
Output Hold from Address Change
Address Setup Time
Address Hold Time
#WE and #CE Setup Time
#WE and #CE Hold Time
#OE High Setup Time
#OE High Hold Time
#CE Pulse Width
#WE Pulse Width
#WE High Width
Data Setup Time
Data Hold Time
Byte Programming Time
Chip Erase Cycle Time
Sector/Page Erase Cycle Time
DD
= 3.3V ± 0.3V, V
(a) High level signal's reference level is V
PARAMETER
SS
PARAMETER
= 0V, T
A
= 0 to 70 ° C or -40 to 85 ° C)
IH
and (b) low level signal's reference level is V
T
T
T
T
T
T
T
T
T
SYM.
RC
CE
AA
OE
CLZ
OLZ
CHZ
OHZ
OH
- 17 -
T
T
T
T
T
T
T
T
T
T
T
T
T
T
SYM.
MIN.
AS
AH
CS
CH
OES
OEH
CP
WP
WPH
DS
DH
BP
EC
EP
W39L040-70
70
0
0
0
-
-
-
-
-
Publication Release Date: February 10, 2003
MAX.
MIN.
100
100
100
70
70
35
25
25
40
40
10
0
0
0
0
0
-
-
-
-
-
-
-
TYP.
MIN.
12.5
IL
35
50
W39L040-90
90
.
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX.
MAX.
100
W39L040
50
25
90
90
45
25
25
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Revision A3
UNIT
UNIT
mS
mS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
µS
nS
nS
nS
nS
nS
nS
nS
nS
nS