参数资料
型号: MB90487BPFV
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 122/124页
文件大小: 1547K
代理商: MB90487BPFV
MB90480B/485B Series
97
(6) Bus Write Timing
(VCC
= 2.7 V to 3.6 V, VSS = 0.0 V, TA = 0 °C to +70 °C)
* : tCP is internal operating clock cycle time. Refer to “ (1) Clock Timing”.
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
16 MHz < fCP
25 MHz
3 tCP*
/ 2 20
ns
8 MHz < 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
16 MHz < fCP
25 MHz
20
ns
8 MHz < fCP
16 MHz
30
ns
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
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