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參數資料
| 型號： | MM54HCT574WM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | TRI-STATE? Octal D-Type Latch / TRI-STATE Octal D-Type Flip-Flop |
| 中文描述： | HCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 文件頁數： | 4/6頁 |
| 文件大小： | 127K |
| 代理商： | MM54HCT574WM |
AC Electrical Characteristics
MM54HCT574/MM74HCT574
V
CC
e
5.0V, t
r
e
t
f
e
6 ns T
A
e
25
§
C (unless otherwise specified)
Symbol
Parameter
Conditions
Typ
Guaranteed
Limit
Units
f
MAX
Maximum Clock Frequency
60
33
MHz
t
PHL
, t
PLH
Maximum Propagation Delay
to Output
C
L
e
45 pF
17
27
ns
t
PZH
, t
PZL
Maximum Enable Propagation Delay
Control to Output
C
L
e
45 pF
R
L
e
1 k
X
19
28
ns
t
PHZ
, t
PLZ
Maximum Disable Propagation Delay
Control to Output
C
L
e
5 pF
R
L
e
1 k
X
14
25
ns
t
W
Minimum Clock Pulse Width
15
ns
t
S
Minimum Setup Time Data to Clock
12
ns
t
H
Minimum Hold Time Clock to Data
5
ns
AC Electrical Characteristics
MM54HCT574/MM74HCT574
V
CC
e
5.0V
g
10%, t
r
e
t
f
e
6 ns (unless otherwise specified)
T
A
e
25
§
C
74HCT
54HCT
Symbol
Parameter
Conditions
T
A
eb
40 to 85
§
C T
A
eb
55 to 125
§
C Units
Typ
Guaranteed Limits
f
MAX
Maximum Clock Frequency
33
28
23
MHz
t
PHL
, t
PLH
Maximum Propagation Delay
Clock to Output
C
L
e
50 pF
18
30
38
45
ns
t
PZH
, t
PZL
Maximum Enable Propagation
Delay Control to Output
C
L
e
50 pF
R
L
e
1 k
X
22
30
38
45
ns
t
PHZ
, t
PLZ
Maximum Disable Propagation
Delay Control to Output
C
L
e
50 pF
R
L
e
1 k
X
15
30
38
45
ns
t
THL
, t
TLH
Maximum Output Rise and Fall Time
C
L
e
50 pF
6
12
15
18
ns
t
W
Minimum Clock Pulse Width
15
20
24
ns
t
S
Minimum Setup Time Data to Clock
6
12
15
18
ns
t
H
Minimum Hold Time Clock to Data
b
1
5
6
8
ns
C
IN
Maximum Input Capacitance
10
10
10
pF
C
OUT
Maximum Output Capacitance
20
20
20
pF
C
PD
Power Dissipation Capacitance (Note 5) OC
e
V
CC
5
58
pF
pF
OC
e
GND
Note 5:
C
PD
determines the no load 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
.
4
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| MM74HCT640 | Inverting Octal TRI-STATE Transceiver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MM54HCT640 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver |
| MM54HCT640J | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver |
| MM54HCT643 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver |
| MM54HCT643J | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Inverting Octal TRI-STATE Transceiver |
| MM54HCT688 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit Magnitude Comparator (Equality Detector) |
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