參數(shù)資料
型號(hào): MB90487PF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 106/113頁(yè)
文件大小: 1195K
代理商: MB90487PF
MB90480/485 Series
92
(6) Bus Write Timing
(VCC
= 2.7 V to 3.6 V, VSS = 0.0 V, TA = 0 °C to +70 °C)
* : tCP : See “ (1) Clock Timing Standards”.
Parameter
Sym-
bol
Pin name
Condi-
tion
Value
Unit
Remarks
Min
Max
Valid address
→WR↓time
tAVWL
Address, WR
tCP*
15
ns
WR pulse width
tWLWH
WRL, WRH
3 tCP*
/ 2 25
ns
at fcp
= 25 MHz
3 tCP*
/ 2 20
ns
at fcp
= 16 MHz
Valid data output
→WR↑time tDVWH
Data, WR
3 tCP*
/ 2 15
ns
WR
↑→data hold time
tWHDX
WR,
Data
10
ns
at fcp
= 25 MHz
20
ns
at fcp
= 16 MHz
30
ns
at fcp
= 8 MHz
WR
↑→address valid time
tWHAX
WR, Address
tCP*
/ 2 10
ns
WR
↑→ALE↑time
tWHLH
WR, ALE
tCP*
/ 2 15
ns
WR
↓→CLK↑time
tWLCH
WR, CLK
tCP*
/ 2 17
ns
WR
(WRL, WRH)
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
CLK
ALE
A23 to A16
AD15 to AD00
tWHLH
tAVWL
tDVWH
tWLWH
tWHAX
tWHDX
tWLCH
0.8 V
2.4 V
0.8 V
2.4 V
A23 to A00
D15 to D00
tWHAX
tWHDX
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
Address
Write data
In multiplexed mode
In non-multiplexed mode
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