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參數(shù)資料
| 型號(hào)： | MC74AC259NG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | 8−Bit Addressable Latch |
| 中文描述： | AC SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDIP16 |
| 封裝： | LEAD FREE, PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 6/11頁(yè) |
| 文件大?。?/td> | 130K |
| 代理商： | MC74AC259NG |
MC74AC259, MC74ACT259
http://onsemi.com
6
AC CHARACTERISTICS
(For Figures and Waveforms See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol
Parameter
V
CC
*
(V)
74AC
74AC
Unit
Fig.
No.
T
A
= +25
°
C
C
L
= 50 pF
T
A
= 40
°
C
to +85
°
C
C
L
= 50 pF
Min
Typ
Max
Min
Max
t
PLH
Propagation Delay
D
n
to Q
n
Propagation Delay
D
n
to Q
n
Propagation Delay
E to Q
n
Propagation Delay
E to Q
n
Propagation Delay
Address to Q
n
Propagation Delay
Address to Q
n
Propagation Delay
MR to Q
3.3
5.0
2.0
2.0
9.0
6.5
14.5
10.0
1.5
1.5
17.0
11.5
ns
35
t
PHL
3.3
5.0
2.0
2.0
9.0
6.0
13.5
9.5
1.5
1.5
16.0
11.0
ns
35
t
PLH
3.3
5.0
2.0
2.0
10.5
7.0
15.0
10.5
1.5
1.5
17.5
12.5
ns
36
t
PHL
3.3
5.0
2.0
2.0
8.0
7.5
12.5
9.0
1.5
1.5
15.0
11.0
ns
36
t
PLH
3.3
5.0
2.0
2.0
12.0
8.0
19.0
13.0
1.5
1.5
22.5
15.5
ns
36
t
PHL
3.3
5.0
2.0
2.0
10.0
7.0
16.0
11.0
1.5
1.5
19.0
13.0
ns
36
t
PHL
3.3
5.0
2.0
2.0
8.0
6.0
12.0
9.0
1.5
1.5
13.5
10.0
ns
37
*Voltage Range 3.3 V is 3.3 V
±
0.3 V.
*Voltage Range 5.0 V is 5.0 V
±
0.5 V.
AC OPERATING REQUIREMENTS
Symbol
Parameter
V
CC
*
(V)
74AC
74AC
Unit
Fig.
No.
T
A
= +25
°
C
C
L
= 50 pF
T
A
= 40
°
C to +85
°
C
C
L
= 50 pF
Typ
Guaranteed Minimum
t
s
Setup Time, HIGH or LOW
D
n
to E
Hold Time, HIGH or LOW
D
n
to E
Setup Time
Address to E
3.3
5.0
3.5
2.5
4.5
3.5
ns
39
t
h
3.3
5.0
2.5
2.0
2.5
2.0
ns
39
t
s
3.3
5.0
7.0
4.0
9.0
6.0
ns
36
t
h
Hold Time
Address to E
3.3
5.0
2.0
2.0
2.0
2.0
ns
36
t
w
Minimum Pulse
Width MR
3.3
5.0
6.0
5.5
6.5
6.0
ns
36
t
w
Minimum Pulse
Width E
3.3
5.0
6.5
5.5
7.0
6.0
ns
36
*Voltage Range 3.3 V is 3.3 V
±
0.3 V.
*Voltage Range 5.0 V is 5.0 V
±
0.5 V.
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