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參數(shù)資料
| 型號(hào)： | UPD43256BGW-A85X-9JL |
| 廠商： | NEC Corp. |
| 英文描述： | 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION |
| 中文描述： | 256K位CMOS靜態(tài)RAM 32K的字8位擴(kuò)展工作溫度 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 127K |
| 代理商： | UPD43256BGW-A85X-9JL |
9
μ
PD43256B-X
Data Sheet M11012EJ4V0DS
Read 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.
Read cycle time
t
RC
70
85
100
ns
Address access time
t
AA
70
85
100
ns
Note
/CS access time
t
ACS
70
85
100
ns
/OE access time
t
OE
35
40
50
ns
Output hold from address change
t
OH
10
10
10
ns
/CS to output in low impedance
t
CLZ
10
10
10
ns
/OE to output in low impedance
t
OLZ
5
5
5
ns
/CS to output in high impedance
t
CHZ
30
30
35
ns
/OE to output in high impedance
t
OHZ
30
30
35
ns
Note
See the
output load
.
Remark
These AC characteristics are in common regardless of package types and L, LL versions.
Read 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.
Read cycle time
t
RC
85
100
120
100
120
150
ns
Address access
time
t
AA
85
100
120
100
120
150
ns
Note
/CS access time
t
ACS
85
100
120
100
120
150
ns
/OE access time
t
OE
50
60
60
60
60
70
ns
Output hold from
address change
t
OH
10
10
10
10
10
10
ns
/CS to output in
low impedance
t
CLZ
10
10
10
10
10
10
ns
/OE to output in
low impedance
t
OLZ
5
5
5
5
5
5
ns
/CS to output in
high impedance
t
CHZ
35
35
40
35
40
50
ns
/OE to output in
high impedance
t
OHZ
35
35
40
35
40
50
ns
Note
See the
output load
.
Remark
These AC characteristics are in common regardless of package types.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD43256BGW-85X-9JL | 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION |
| UPD43256 | 32,768 x 8-BIT STATIC MIX-MOS RAM |
| UPD43256-12 | 32,768 x 8-BIT STATIC MIX-MOS RAM |
| UPD43256-12L | 32,768 x 8-BIT STATIC MIX-MOS RAM |
| UPD43256-15 | 32,768 x 8-BIT STATIC MIX-MOS RAM |
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