參數(shù)資料
型號: M39432
廠商: 意法半導(dǎo)體
英文描述: Single Chip 4Mbit Flash and 256Kbit Parallel EEPROM Memory(單片4Mb閃速和256Kb并行EEPROM)
中文描述: 單芯片的4Mb并行閃存和256Kbit EEPROM存儲器(單片4Mb的閃速和256Kb的并行的EEPROM)
文件頁數(shù): 22/30頁
文件大?。?/td> 247K
代理商: M39432
Symbol
Alt
Parameter
M39432
Unit
-120
-150
-200
-250
Min
Max
Min
Max
Min
Max
Min
Max
t
AVAV
t
WC
Address Valid to Next
Address Valid
120
150
200
150
ns
t
ELWL (2)
t
CS
Chip Enable Low to Write
Enable Low
0
0
0
0
ns
t
WLWH
t
WP
Write Enable Low to Write
Enable High
50
65
80
50
ns
t
DVWH
t
DS
Input Valid to Write Enable
High
50
65
80
50
ns
t
WHDX
t
DH
Write Enable High to Input
Transition
0
0
0
0
ns
t
WHEH (2)
t
CH
Write Enable High to Chip
Enable High
0
0
0
0
ns
t
WHWL
t
WPH
Write Enable High to Write
Enable Low
30
35
35
20
ns
t
AVWL
t
AS
Address Valid to Write
Enable Low
0
0
0
0
ns
t
WLAX
t
AH
Write Enable Low to Address
Transition
50
65
65
50
ns
t
GHWL
Output Enable High to Write
Enable Low
0
0
0
0
ns
t
VCHEL
t
VCS
V
CC
High to Chip Enable Low
50
50
50
50
μ
s
t
WHQV1
(1)
Write Enable High to Output
Valid (Program)
15
15
15
10
μ
s
t
WHQV2
(1)
Write Enable High to Output
Valid (Sector Erase)
2.0
30
2.0
30
2.0
30
1.0
30
sec
t
WHWL0
Time Out between 2
consecutive Section Erase
80
80
80
80
μ
s
t
WHGL
t
OEH
Write Enable High to Output
Enable Low
0
0
0
0
ns
t
WHRL
(3)
t
DB
Write Enable High to
Ready/Busy Output Low
150
150
150
150
ns
Notes:
1. Time is measured to Data Polling or Toggle Bit, t
= t
WHQ7V
+ t
Q7VQV
2. Chip Enable means (EE, EF) = (V
IL
, V
IH
) or (EE, EF) = (V
IH
IL
).
3. With a 3.3K
pull-up resistor.
Table 14. Write AC Characteristics, Write Enable Controlled
(T
A
= 0 to 70
°
C or –40 to 85
°
C; V
CC
= 3.3V
±
0.3V)
22/30
M39432
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