參數(shù)資料
型號: MB90W214BZF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, UVPROM, 16 MHz, MICROCONTROLLER, CQFP80
封裝: WINDOWED, CERAMIC, QFP-80
文件頁數(shù): 66/100頁
文件大小: 1681K
代理商: MB90W214BZF
MB90210 Series
68
(8) Ready Signal Input Timing
(VCC = +4.5 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.
(9) Hold Timing
(VCC = +4.5 to +5.5 V, VSS = 0.0 V, TA = –40
°C to +70°C)
Note: It takes at least one 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
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
↑ → pin valid time
tHAHV
tCYC
2tCYC
ns
tRYHS
tRYHH
tRYHS
tRYHH
CLK
0.7 VCC
0.8 VCC
0.2 VCC
A23 to A00
RD/WR
(WRL, WRH)
RDY
No wait
Wait
tXHAL
tHAHV
High impedance
HRQ
HAK
Each pin
0.8 VCC
0.2 VCC
0.3 VCC
0.7 VCC
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