參數(shù)資料
型號(hào): MB90W214ZF
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(yè)數(shù): 64/100頁(yè)
文件大?。?/td> 1681K
代理商: MB90W214ZF
MB90210 Series
66
(6) Bus Read Timing
(VCC = +4.5 to +5.5 , VSS = 0.0 V, TA = –40
°C to +70°C)
Parameter
Symbol
Pin
name
Condition
Value
Unit
Remarks
Min.
Max.
Valid address
→ RD ↓ time
tAVRL
A23 to A00
Load
condition:
80 pF
tCYC/2 – 20
ns
RD pulse width
tRLRH
RD
tCYC – 25
ns
RD
↓ → valid data input
tRLDV
D15 to D00
—tCYC – 30
ns
RD
↑ → data hold time
tRHDX
0—
ns
Valid address
→ valid data
input
tAVDV
—3 tCYC/2 – 40
ns
RD
↑ → address valid time
tRHAX
A23 to A00
tCYC/2 – 20
ns
Valid address
→ CLK ↑ time
tAVCH
A23 to A00
CLK
tCYC/2 – 25
ns
RD
↓ → CLK ↓ time
tRLCL
RD, CLK
tCYC/2 – 25
ns
tRLRH
tRLCL
tAVCH
tAVRL
tRHAX
tRHDX
tRLDV
tAVDV
0.7 VCC
0.3 VCC
0.7 VCC
0.3 VCC
CLK
0.7 VCC
0.3 VCC
0.7 VCC
0.3 VCC
RD
A23 to A00
D15 to D00
Read data
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