參數(shù)資料
型號(hào): MC74ACT377MELG
廠商: ON SEMICONDUCTOR
元件分類(lèi): 通用總線功能
英文描述: Octal D Flip−Flop with Clock Enable
中文描述: ACT SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDSO20
封裝: LEAD FREE, EIAJ, SOP-20
文件頁(yè)數(shù): 4/10頁(yè)
文件大小: 131K
代理商: MC74ACT377MELG
MC74AC377, MC74ACT377
http://onsemi.com
4
74AC DC CHARACTERISTICS
Symbol
Parameter
V
CC
(V)
T
A
= +25
°
C
T
A
=
40
°
C to +85
°
C
Unit
Conditions
Typ
Guaranteed Limits
V
IH
Minimum High Level Input
Voltage
3.0
4.5
5.5
1.50
2.25
2.75
2.10
3.15
3.85
2.10
3.15
3.85
V
V
V
V
OUT
= 0.1 V
or
V
CC
0.1 V
V
IL
Maximum Low Level Input
Voltage
3.0
4.5
5.5
1.50
2.25
2.75
0.90
1.35
1.65
0.90
1.35
1.65
V
V
V
V
OUT
= 0.1 V
or
V
CC
0.1 V
V
OH
Minimum High Level Output
Voltage
3.0
4.5
5.5
2.99
4.49
5.49
2.9
4.4
5.4
2.9
4.4
5.4
V
V
V
I
OUT
= 50 A
3.0
4.5
5.5
2.56
3.86
4.86
2.46
3.76
4.76
V
V
V
*V
IN
= V
IL
or V
IH
I
OH
12 mA
24 mA
24 mA
V
OL
Maximum Low Level Output
Voltage
3.0
4.5
5.5
0.002
0.001
0.001
0.1
0.1
0.1
0.1
0.1
0.1
V
V
V
I
OUT
= 50 A
3.0
4.5
5.5
0.36
0.36
0.36
0.44
0.44
0.44
V
V
V
*V
IN
= V
IL
or V
IH
I
OH
12 mA
24 mA
24 mA
I
IN
Maximum Input Leakage Current
5.5
±
0.1
±
1.0
A
V
I
= V
CC
, GND
I
OLD
I
OHD
Maximum Input Leakage Current
5.5
5.5
75
75
mA
mA
V
OLD
= 1.65 V Max
V
OHD
= 3.85 V Min
I
CC
Maximum Quiescent Supply
Current
5.5
8.0
80
A
V
IN
= V
CC
or GND
*All outputs loaded; thresholds on input associated with output under test.
Maximum test duration 2.0 ms, one output loaded at a time.
NOTE:
I
IN
and I
CC
@ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V V
CC
.
74AC AC CHARACTERISTICS
For Figures and Waveforms, See Figures 4, 5, and 6.
Symbol
Parameter
V
CC
*
(V)
T
A
= +25
°
C C
L
= 50 pF
T
A
= 40
°
C to +85
°
C
C
L
= 50 pF
Unit
Min
90
140
Typ
Max
Min
75
125
Max
f
max
Maximum Clock Frequency
3.3
5.0
MHz
t
PLH
Propagation Delay
CP to Q
n
3.3
5.0
3.0
2.0
13.0
9.0
1.5
1.5
14.0
10.0
ns
t
PHL
Propagation Delay
CP to Q
n
3.3
5.0
3.5
2.5
13.0
10.0
2.0
1.5
14.5
11.0
ns
* Voltage Range 3.3 V is 3.3 V
±
0.3 V; Voltage Range 5.0 V is 5.0 V
±
0.5 V.
74AC AC OPERATING REQUIREMENTS
Symbol
Parameter
V
CC
*
(V)
T
A
= +25
°
C C
L
= 50 pF
Typ
T
A
= 40
°
C to +85
°
C
Unit
Guaranteed Minimum
5.5
4.07
t
s
Setup Time, HIGH or LOW
D
n
to CP
3.3
5.0
6.0
4.5
ns
t
h
Hold Time, HIGH or LOW
D
n
to CP
3.3
5.0
0
1.0
0
1.0
ns
t
s
Setup Time, HIGH or LOW
CE to CP
3.3
5.0
6.0
4.0
7.5
4.5
ns
t
h
Hold Time, HIGH or LOW
CE to CP
3.3
5.0
0
1.0
0
1.0
ns
t
w
CP Pulse Width
HIGH or LOW
3.3
5.0
5.5
4.0
6.0
4.5
ns
* 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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