W49F201S-45B WINBOND [Winbond], W49F201S-45B Datasheet - Page 14

• Manufacturer Part Number: W49F201S-45B
• Description: 128K X 16 CMOS FLASH MEMORY
• Manufacturer: WINBOND [Winbond]

AC Characteristics, continued
Read Cycle Timing Parameters
(V
Note: The parameter of T
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
Word programming Time
Erase Cycle Time
CC
= 5.0V 10
(a) High level signal's reference level is V
PARAMETER
, V
PARAMETER
CC
= 0V, T
CLZ
, T
OLZ
A
= 0 to 70 C)
, T
CHZ
, T
OHZ
IH
are characterized only and is not 100% tested.
and (b) low level signal's reference level is V
SYM.
T
T
T
T
T
T
T
T
T
CHZ
OHZ
OLZ
CLZ
RC
OE
OH
CE
AA
SYMBOL
- 14 -
T
T
T
T
T
T
T
T
T
T
T
T
T
AS
AH
CS
CH
OES
OEH
CP
WP
WPH
DS
DH
BC
EC
MIN.
45
0
0
0
-
-
-
-
-
W49F201-45
Preliminary W49F201
MAX.
MIN.
100
50
70
70
50
10
45
45
35
25
25
0
0
0
0
0
-
-
-
-
-
-
IL
.
MIN.
TYP.
55
35
60
W49F201-55
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX.
MAX.
200
55
55
40
25
25
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
UNIT
mS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
S