參數(shù)資料
型號: MB90W224AZF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, UVPROM, 16 MHz, MICROCONTROLLER, CQFP120
封裝: CERAMIC, QFP-120
文件頁數(shù): 77/105頁
文件大?。?/td> 1700K
代理商: MB90W224AZF
73
MB90220 Series
(7) Ready Input Timing
(VCC = +4.5 V to +5.5 V, VSS = 0.0 V, TA = –40
°C to +70°C)
Note: Use the auto-ready function if the RDY setup time is insufficient.
(8) Hold Timing
(VCC = +4.5 V to +5.5 V, VSS = 0.0 V, TA = –40
°C to +70°C)
Note: It takes at least one machine cycle for HAK to vary after HRQ is fetched.
Parameter
Symbol
Pin
name
Condition
Value
Unit
Remarks
Min.
Max.
RDY setup time
tRYHS
RDY
Load condition:
80 pF
40
ns
RDY hold time
tRYHH
RDY
0
ns
Parameter
Symbol
Pin
name
Condition
Value
Unit
Remarks
Min.
Max.
Pin floating
→ HAK ↓ time
tXHAL
HAK
Load condition:
80 pF
30
tCYC
ns
HAK
↑ time → pin valid time
tHAHV
HAK
tCYC
2 tCYC
ns
A23 to A00
CLK
RD/WR
(WRL, WRH)
RDY
No wait
One wait
tRYHH
0.8 VCC
0.2 VCC
0.8 VCC
0.7 VCC
tRYHS
HRQ
HAK
Each pin
High impedance
0.3 VCC
0.7 VCC
0.2 VCC
0.8 VCC
tXHAL
tHAHV
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