W55FXX
AC CHARACTERISTICS
(V
DD
= 4.5V, V
SS
= 0V, T
A
= 25° C)
PARAMETER
MODE pulse width
CTRL pulse width
Clock frequency of ADDR
Clock frequency of CLK
Clock frequency of CTRL
Interval between ADDR end
& CLK begin
Interval between CLK &
CTRL
Interval between ADDR &
CTRL
Interval between addressing
end & block-erase begin
Interval between MODE
rising edge & CTRL clock
begin
Interval between CTRL clock
end & MODE falling edge
Interval between MODE
falling edge & another pin
active
Data access time
Data set up time
Data hold time
SYMBOL
T
MP
T
WP
F
ADDR
F
CLK
F
CTRL
T
I
T
GCC
T
GCA
T
AE
T
MB
CONDITIONS
-
Page coding mode
-
-
-
Read/Write mode
Write mode
Page coding mode
Block erase mode
Mode selection
MIN.
1
400
-
-
-
1
1
1
1
500
TYP.
-
-
-
-
-
-
-
-
-
-
MAX.
-
700
1
1
1
-
-
-
-
-
UNIT
µS
µS
MHz
MHz
MHz
µS
µS
µS
µS
nS
T
ME
T
GM
Mode selection
-
500
1
-
-
-
-
nS
µS
T
RA
T
WS
T
AS
T
RH
T
WH
T
AH
Read mode
Write mode
-
Read mode
Write mode
-
Write mode
Whole-chip-erase
mode
Block-erase mode
-
250
250
0
10
10
400
45
40
-
-
-
-
-
-
-
-
-
500
-
-
-
-
-
-
50
45
nS
nS
nS
nS
nS
nS
µS
mS
mS
Programming duration
Whole-chip-erase time
Block-erase time
T
PR
T
WE
T
BE
-4-
WINBOND [ WINBOND ]
