D43257B 데이터 시트보기 (PDF) - NEC => Renesas Technology
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D43257B Datasheet PDF : 20 Pages
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µPD43257B
Write Cycle
Parameter
Symbol
Write cycle time
tWC
/CE1 to end of write
tCW1
CE2 to end of write
tCW2
Address valid to end of write
tAW
Address setup time
tAS
Write pulse width
tWP
Write recovery time
tWR
Data valid to end of write
tDW
Data hold time
tDH
/WE to output in high impedance
tWHZ
Output active from end of write
tOW
µPD43257B-70
MIN.
MAX.
70
50
50
50
0
55
0
30
0
30
10
Note See the output load shown in Figure 2.
µPD43257B-85
MIN.
MAX.
85
70
70
70
0
65
0
35
0
30
10
Unit Condition
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note
ns
Remark These AC characteristics are in common regardless of package types and L, LL versions.
10
Data Sheet M10693EJ7V0DS00
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