參數(shù)資料
型號(hào): MB90246
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁(yè)數(shù): 67/100頁(yè)
文件大?。?/td> 1956K
代理商: MB90246
67
MB90246A Series
(5) Ready Input Timing
CLK signal standards
(AV
CC
= V
CC
= 4.5 V to 5.5 V, AV
SS
= V
SS
= 0.0 V, T
A
= –30
°
C to +70
°
C)
N: Stands for the number of wait cycles. With no wait, N is set at “0”. (The number of wait cycles depends on an
automatic wait and external RDY.)
* :For t
CYC
(cycle time (machine cycle)), see paragraph (4), “Clock output timing.”
Note: Use the automatic ready function when the setup time for the rising edge of the RDY signal is not sufficient.
Parameter
Symbol
Pin name
Condition
Value
Unit Remarks
Min.
Max.
RD/WRH/WRL
↓ →
RDY
time
t
RYHS
RD/WRH/
WRL,
RDY
0
N
×
1 t
CYC
*
+ 15
ns
RDY setup time
(in diallocating)
RDY hold time
t
RHDV
RDY
V
CC
= 5.0 V
±
10%
30
ns
t
RYHH
RDY
0
ns
CLK
RD/WRH/WRL
RDY
(wait not inserted)
RDY
(wait inserted)
A00 to A23
t
RHDV
0.8 V
t
RYHH
2.2 V
2.2 V
0.8 V
0.8 V
2.2 V
2.2 V
Ready input timing (CLK signal standards)
t
RYH
t
RYHH
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