參數(shù)資料
型號: MB90F952MBSPF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 54/84頁
文件大?。?/td> 2562K
代理商: MB90F952MBSPF
MB90950 Series
58
DS07-13752-1E
(5) Bus Timing (Read)
* : tcp is the Internal cycle time. Refer to “(1) Clock Timing”.
Parameter
Symbol
Pin name
Condi-
tions
Value
Unit
Remarks
Min
Max
ALE pulse width
tLHLL
ALE
tcp*/ 2
15
ns
16MHz < fcp
25 MHz
tcp*/ 2
20
ns
8 MHz < fcp
16 MHz
tcp*/ 2
35
ns
fcp
≤ 8 MHz
Valid address
ALE
↓ time
tAVLL
Address,
ALE
tcp*/ 2
17
ns
tcp*/ 2
40
ns
fcp
≤ 8 MHz
ALE
↓ →
Address valid time
tLLAX
ALE ,
Address
tcp*/ 2
15
ns
Valid address
RD
↓ time
tAVRL
RD ,
Address
tcp*
25
ns
Valid address
Valid data input
tAVDV
Address/
Data
tcp* / 2
55
ns
tcp* / 2
80
ns
fcp
≤ 8 MHz
RD pulse width
tRLRH
RD
3 tcp* / 2
25
ns
16 MHz < fcp
25 MHz
3 tcp* / 2
20
ns
8 MHz < fcp
16 MHz
RD
↓ →
Valid data input
tRLDV
RD ,
Data
3 tcp* / 2
55
ns
3 tcp* / 2
80
ns
fcp
≤ 8 MHz
RD
↑ →
Data hold time
tRHDX
RD ,
Data
0
ns
RD
↓ →
ALE
↑ time
tRHLH
RD , ALE
tcp* / 2
15
ns
RD
↑ →
Address valid time
tRHAX
Address,
RD
tcp* / 2
10
ns
Valid address
CLK
↑ time
tAVCH
Address
CLK
tcp* / 2
17
ns
RD
↓ →
CLK
↑ time
tRLCH
RD,CLK
tcp* / 2
17
ns
ALE
↓ →
RD
↓ time
tLLRL
RD,ALE
tcp* / 2
15
ns
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