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參數資料
| 型號： | MM74HC280J |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 9-Bit Odd/Even Parity Generator/Checker |
| 中文描述： | HC/UH SERIES, 9-BIT PARITY GENERATOR/CHECKER, COMPLEMENTARY OUTPUT, CDIP14 |
| 封裝： | DIP-14 |
| 文件頁數： | 3/4頁 |
| 文件大小： | 120K |
| 代理商： | MM74HC280J |
AC Electrical Characteristics
V
CC
e
5V, T
A
e
25
§
C, C
L
e
15 pF, t
r
e
t
f
e
6 ns
Symbol
Parameter
Conditions
Typ
Guaranteed
Limit
Units
t
PHL
, t
PLH
Maximum Propagation
Delay, Data to
R
Even
28
35
ns
t
PHL
, t
PLH
Maximum Propagation
Delay, Data to
R
Odd
28
35
ns
AC Electrical Characteristics
V
CC
e
2.0V to 6.0V, C
L
e
50 pF, t
r
e
t
f
e
6 ns (unless otherwise specified)
T
A
e
25
§
C
74HC
54HC
Symbol
Parameter
Conditions
V
CC
T
A
eb
40 to 85
§
C
Guaranteed Limits
T
A
eb
55 to 125
§
C
Units
Typ
t
PHL
, t
PLH
Maximum Propagation
Delay, Data to
R
Even
2.0V
4.5V
6.0V
103
21
17
205
41
35
258
52
44
305
61
52
ns
ns
ns
t
PHL
, t
PLH
Maximum Propagation
Delay, Data to
R
Odd
2.0V
4.5V
6.0V
103
21
17
205
41
35
258
52
44
305
61
52
ns
ns
ns
t
TLH
, t
THL
Maximum Output Rise
and Fall Time
2.0V
4.5V
6.0V
30
8
7
75
15
13
95
19
16
110
22
19
ns
ns
ns
C
PD
Power Dissipation
Capacitance (Note 5)
83
pF
C
IN
Note 5:
C
PD
determines the no load dynamic power consumption, P
D
e
C
PD
V
CC2
f
a
I
CC
V
CC
, and the no load dynamic current consumption, I
S
e
C
PD
V
CC
f
a
I
CC
.
Logic Diagram
Maximum Input Capacitance
5
10
10
10
pF
’HC280
TL/F/5121–2
V
CC
e
pin 14
GND
e
pin 7
3
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