參數(shù)資料
型號(hào): μPD23C16040AL
廠商: NEC Corp.
英文描述: 16M-Bit MASK-Programmable ROM(16M位 掩膜可編程ROM)
中文描述: 1,600位掩膜可編程ROM(1,600位掩膜可編程光盤)
文件頁數(shù): 10/28頁
文件大小: 260K
代理商: ΜPD23C16040AL
Preliminary Data Sheet
10
μ
PD441000L-X
Read Cycle (1/3) (B version)
Parameter
Symbol
μ
PD441000L-B70X
μ
PD441000L-B85X
μ
PD441000L-B10X
Unit
Notes
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Read cycle time
t
RC
70
85
100
ns
Address access time
t
AA
70
85
100
ns
1
/CE1 access time
t
CO1
70
85
100
ns
CE2 access time
t
CO2
70
85
100
ns
/OE to output valid
t
OE
35
45
50
ns
Output hold from address change
t
OH
10
10
10
ns
/CE1 to output in low impedance
t
LZ1
10
10
10
ns
2
CE2 to output in low impedance
t
LZ2
10
10
10
ns
/OE to output in low impedance
t
OLZ
5
5
5
ns
/CE1 to output in high impedance
t
HZ1
25
30
35
ns
CE2 to output in high impedance
t
HZ2
25
30
35
ns
/OE to output hold in high impedance
t
OHZ
25
30
35
ns
Notes 1.
See the output load.
2.
The output load is 1TTL + 5 pF.
Remark
These AC characteristics are in common regardless of package types.
Read Cycle (2/3) (C version)
Parameter
Symbol
μ
PD441000L-C10X
μ
PD441000L-C12X
Unit
Notes
MIN.
MAX.
MIN.
MAX.
Read cycle time
t
RC
100
120
ns
Address access time
t
AA
100
120
ns
1
/CE1 access time
t
CO1
100
120
ns
CE2 access time
t
CO2
100
120
ns
/OE to output valid
t
OE
50
60
ns
Output hold from address change
t
OH
10
10
ns
/CE1 to output in low impedance
t
LZ1
10
10
ns
2
CE2 to output in low impedance
t
LZ2
10
10
ns
/OE to output in low impedance
t
OLZ
5
5
ns
/CE1 to output in high impedance
t
HZ1
35
40
ns
CE2 to output in high impedance
t
HZ2
35
40
ns
/OE to output hold in high impedance
t
OHZ
35
40
ns
Notes 1.
See the output load.
2.
The output load is 1TTL + 5 pF.
Remark
These AC characteristics are in common regardless of package types.
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