參數(shù)資料
型號: MB90487BPF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 95/120頁
文件大?。?/td> 1241K
代理商: MB90487BPF
MB90480/485 Series
95
(5) Bus Read Timing
(V
CC
=
2.7 V to 3.6 V, V
SS
=
0.0 V, T
A
=
0
°
C to
+
70
°
C)
Value
* : t
CP
is internal operating clock cycle time. Refer to “ (1) Clock Timing”.
Parameter
Symbol
Pin name
Conditions
Unit
Remarks
Min
Max
ALE pulse width
t
LHLL
ALE
t
CP
*
/
2
15
ns
16 MHz < f
CP
25 MHz
t
CP
*
/
2
20
ns
8 MHz < f
CP
16 MHz
t
CP
*
/
2
35
t
CP
*
/
2
17
t
CP
*
/
2
40
ns
f
CP
8 MHz
Valid address
ALE
time
t
AVLL
Address,
ALE
ns
ns
f
CP
8 MHz
ALE
↓→
address valid time
Valid address
RD
time
t
LLAX
ALE,
Address
t
CP
*
/
2
15
ns
t
AVRL
RD,
address
t
CP
*
25
ns
Valid address
valid data input
t
AVDV
Address,
Data
5 t
CP
*
/
2
55
ns
5 t
CP
*
/
2
80
ns
f
CP
8 MHz
RD pulse width
t
RLRH
RD
3 t
CP
*
/
2
25
ns
16 MHz < f
CP
25 MHz
3 t
CP
*
/
2
20
ns
8 MHz < f
CP
16 MHz
RD
↓→
valid data input
t
RLDV
RD,
Data
3 t
CP
*
/
2
55
ns
3 t
CP
*
/
2
80
ns
f
CP
8 MHz
RD
↑→
data hold time
t
RHDX
RD,
Data
0
ns
RD
↑→
ALE
time
RD
↑→
address valid time
Valid address
CLK
time
RD
↓→
CLK
time
ALE
↓→
RD
time
t
RHLH
RD, ALE
t
CP
*
/
2
15
ns
t
RHAX
Address,
RD
t
CP
*
/
2
10
ns
t
AVCH
Address,
CLK
t
CP
*
/
2
17
ns
t
RLCH
RD, CLK
t
CP
*
/
2
17
t
CP
*
/
2
15
ns
t
LLRL
RD, ALE
ns
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參數(shù)描述
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