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MB90F482 Scheda tecnica(PDF) 92 Page - fujitsu semiconductor

Il numero della parte MB90F482
Spiegazioni elettronici  16-bit Proprietary Microcontroller CMOS
PDF  113 Pages
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Produttore elettronici  FUJITSU [fujitsu semiconductor]
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MB90F482 Scheda tecnica(HTML) 92 Page - fujitsu semiconductor

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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
0.8 V
2.4 V
2.4 V
2.4 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
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
Write data
In multiplexed mode
In non-multiplexed mode



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