w49f102 Winbond Electronics Corp America, w49f102 Datasheet - Page 13

• Manufacturer Part Number: w49f102
• Description: 64k X 16 Cmos Flash Memory
• 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
Output Hold from Address
Change
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Word Programming Time
Erase Cycle Time
CE
OE
CE
OE
OE
OE
CE
CE
WE
WE
WE
WE
DD
= 5.0V 5
(a) High level signal's reference level is V
Low to Active Output
High to High-Z Output
Low to Active Output
High to High-Z Output
High Setup Time
High Hold Time
Pulse Width
High Width
and
and
Pulse Width
High Width
PARAMETER
CE
CE
for 35 nS; V
PARAMETER
Setup Time
Hold Time
DD
= 5.0V 10
SYM.
T
T
T
T
T
T
T
T
T
OLZ
OHZ
CLZ
CHZ
RC
OE
OH
CE
AA
IH
for 40/45 nS, V
and (b) low level signal's reference level is V
MIN.
42
0
0
0
SYMBOL
-
-
-
-
-
W49F102-40
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WPH
OES
OEH
CPH
WP
AH
CS
CH
CP
DS
DH
EC
AS
BP
- 13 -
SS
= 0V, T
MAX.
40
40
20
15
15
-
-
-
-
A
MIN.
= 0 to 70 C)
45
50
50
45
45
45
0
0
0
0
0
0
-
-
Publication Release Date: October 2000
MIN.
45
0
0
0
-
-
-
-
-
TYP.
W49F102-45
0.1
10
-
-
-
-
-
-
-
-
-
-
-
-
IL
.
MAX.
45
45
25
20
20
-
-
-
-
MAX.
50
-
-
-
-
-
-
-
-
-
-
-
-
1
W49F102
Revision A3
UNIT
UNIT
Sec.
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
S