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參數(shù)資料
| 型號(hào)： | UPD43256BGW-B15X-9JL |
| 廠商： | NEC Corp. |
| 英文描述： | SERVSWITCH DVI KVM CABLE 3 |
| 中文描述： | 256K位CMOS靜態(tài)RAM 32K的字8位擴(kuò)展工作溫度 |
| 文件頁(yè)數(shù)： | 11/20頁(yè) |
| 文件大?。?/td> | 127K |
| 代理商： | UPD43256BGW-B15X-9JL |
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11
μ
PD43256B-X
Data Sheet M11012EJ4V0DS
Write Cycle (1/2)
Parameter
Symbol
V
CC
≥
4.5 V
Unit
Con-
μ
PD43256B-70X
μ
PD43256B-85X
μ
PD43256B-AxxX
μ
PD43256B-BxxX
dition
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Write cycle time
t
WC
70
85
100
ns
/CS to end of write
t
CW
60
70
80
ns
Address valid to end of write
t
AW
60
70
80
ns
Write pulse width
t
WP
55
60
70
ns
Data valid to end of write
t
DW
30
35
40
ns
Data hold time
t
DH
5
5
5
ns
Address setup time
t
AS
0
0
0
ns
Write recovery time
t
WR
0
0
0
ns
/WE to output in high impedance
t
WHZ
30
30
35
ns
Note
Output active from end of write
t
OW
5
5
5
ns
Note
See the
output load
.
Remark
These AC characteristics are in common regardless of package types and L, LL versions.
Write Cycle (2/2)
Parameter
Symbol
V
CC
≥
3.0 V
V
CC
≥
2.7 V
Unit
Con-
μ
PD43256B-
A85X
μ
PD43256B-
A10X
μ
PD43256B-
A12X
μ
PD43256B-
B10X
μ
PD43256B-
B12X
μ
PD43256B-
B15X
dition
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Write cycle time
t
WC
85
100
120
100
120
150
ns
/CS to end of write
t
CW
70
70
90
70
90
100
ns
Address valid to
end of write
t
AW
70
70
90
70
90
100
ns
Write pulse width
t
WP
60
60
80
60
80
90
ns
Data valid to end
of write
t
DW
60
60
70
60
70
80
ns
Data hold time
t
DH
5
5
5
5
5
5
ns
Address setup time
t
AS
0
0
0
0
0
0
ns
Write recovery time
t
WR
0
0
0
0
0
0
ns
/WE to output in
high impedance
t
WHZ
35
35
40
35
40
40
ns
Note
Output active
from end of write
t
OW
5
5
5
5
5
5
ns
Note
See the
output load
.
Remark
These AC characteristics are in common regardless of package types.
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