參數(shù)資料
型號: MB90574PFV
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: Octal Buffers/Drivers With 3-State Outputs 20-CFP -55 to 125
中文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120
封裝: PLASTIC, QFP-120
文件頁數(shù): 90/135頁
文件大?。?/td> 2504K
代理商: MB90574PFV
90
MB90570 Series
(6) Bus Read Timing
(AV
CC
= V
CC
= 5.0 V
±
10%, AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
* :For t
CP
(internal operating clock cycle time), refer to “(3) Clock Timings.”
Parameter
Symbol
Pin name
Condition
Value
Unit
Remarks
Min.
Max.
ALE pulse width
t
LHLL
ALE
ALE,
A23 to A16,
AD15 to AD00
ALE,
AD15 to AD00
RD,
A23 to A16,
AD15 to AD00
A23 to A16,
AD15 to AD00
RD
RD,
AD15 to AD00
RD,
AD15 to AD00
ALE, RD
ALE,
A23 to A16
CLK,
A23 to A16,
AD15 to AD00
CLK, RD
ALE, RD
1 t
CP
*/2 – 20
ns
Effective address
ALE
time
t
AVLL
1 t
CP
*/2 – 20
ns
ALE
address
effective time
t
LLAX
1 t
CP
*/2 – 15
ns
Effective address
RD
time
t
AVRL
1 t
CP
* – 15
ns
Effective address
valid data input
RD pulse width
t
AVDV
5 t
CP
*/2 – 60
ns
t
RLRH
3 t
CP
*/2 – 20
ns
RD
valid data input t
RLDV
3 t
CP
*/2 – 60
ns
RD
data hold time
t
RHDX
0
ns
RD
ALE
time
RD
address
effective time
t
RHLH
1 t
CP
*/2 – 15
ns
t
RHAX
1 t
CP
*/2 – 10
ns
Effective address
CLK
time
t
AVCH
1 t
CP
*/2 – 20
ns
RD
CLK
time
ALE
RD
time
t
RLCH
t
ALRL
1 t
CP
*/2 – 20
1 t
CP
*/2 – 15
ns
ns
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