參數(shù)資料
型號(hào): MB90346CPF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 55/76頁(yè)
文件大?。?/td> 1033K
代理商: MB90346CPF
MB90340 Series
59
(4) Bus Timing (Read)
(TA = –40
°C to +85°C, VCC = 4.5 V to 5.5 V, VSS = 0.0 V, Machine Clock ≤ 16 MHz)
Parameter
Sym-
bol
Pin
Condition
Value
Unit
Remarks
Min
Max
ALE pulse width
tLHLL
ALE
tCP/2
10
ns
Valid address
ALE ↓ time
tAVLL
ALE, A23 to
A16, AD15
to AD00
tCP/2
15
ns
ALE
↓ Address valid time
tLLAX
ALE, AD15
to AD00
tCP/2
15
ns
Valid address
RD ↓ time
tAVRL
A23 toA16,
AD15 to
AD00, RD
tCP
15
ns
Valid address
Valid data
input
tAVDV
A23 to A16,
AD15 to
AD00
5 tCP/2
40
ns
RD pulse width
tRLRH
RD
3 tCP/2
20
ns
RD
↓ Valid data input
tRLDV
RD, AD15 to
AD00
3 tCP/2
50
ns
RD
↑ Data hold time
tRHDX
RD, AD15 to
AD00
0
ns
RD
↓ ALE ↑ time
tRHLH
RD, ALE
tCP/2
15
ns
RD
↑ Address valid time
tRHAX
RD, A23 to
A16
tCP/2
10
ns
Valid address
CLK ↑ time
tAVCH
A23 to A16,
AD15 to
AD00, CLK
tCP/2
15
ns
RD
↓ CLK ↑ time
tRLCH
RD, CLK
tCP/2
15
ns
ALE
↓ RD ↓ time
tLLRL
ALE, RD
tCP/2
15
ns
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