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參數(shù)資料
| 型號： | 74HC74 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Dual D-type flip-flop with set and reset; positive-edge trigger |
| 中文描述： | 帶設(shè)置和復(fù)位功能的雙D觸發(fā)器；上升沿觸發(fā) |
| 文件頁數(shù)： | 9/22頁 |
| 文件大?。?/td> | 120K |
| 代理商： | 74HC74 |
2003 Jul 10
9
Philips Semiconductors
Product specification
Dual D-type flip-flop with set and reset;
positive-edge trigger
74HC74; 74HCT74
Family 74HCT
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Note
1.
All typical values are measured at T
amb
= 25
°
C.
Remark to HCT types
The value of additional quiescent supply current (
I
CC
) for a unit load of 1 is given here. To determine
I
CC
per input,
multiply this value by the unit load coefficient shown in the table.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
WAVEFORMS
V
CC
(V)
T
amb
=
40 to +85
°
C;
note 1
V
IH
HIGH-level input
voltage
LOW-level input voltage
HIGH-level output
voltage
LOW-level output
voltage
input leakage current
quiescent supply
current
additional quiescent
supply current per input
4.5 to 5.5
2.0
1.6
V
V
IL
V
OH
4.5 to 5.5
4.5
3.84
1.2
4.32
0.8
V
V
V
I
= V
IH
or V
IL
;
I
O
=
4.0 mA
V
I
= V
IH
or V
IL
;
I
O
= 4.0 mA
V
I
= V
CC
or GND
V
I
= V
CC
or GND;
I
O
= 0
V
I
= V
CC
2.1 V other
inputs at V
CC
or GND;
I
O
= 0
V
OL
4.5
0.33
0.15
V
I
LI
I
CC
5.5
5.5
±
1.0
40
μ
A
μ
A
I
CC
4.5 to 5.5
100
450
μ
A
T
amb
=
40 to +125
°
C
V
IH
HIGH-level input
voltage
LOW-level input voltage
HIGH-level output
voltage
LOW-level output
voltage
input leakage current
quiescent supply
current
additional quiescent
supply current per input
4.5 to 5.5
2.0
V
V
IL
V
OH
4.5 to 5.5
4.5
3.7
0.8
V
V
V
I
= V
IH
or V
IL
;
I
O
=
4.0 mA
V
I
= V
IH
or V
IL
;
I
O
= 4.0 mA
V
I
= V
CC
or GND
V
I
= V
CC
or GND;
I
O
= 0
V
I
= V
CC
2.1 V other
inputs at V
CC
or GND;
I
O
= 0
V
OL
4.5
0.4
V
I
LI
I
CC
5.5
5.5
±
1.0
80
μ
A
μ
A
I
CC
4.5 to 5.5
490
μ
A
INPUT
UNIT LOAD COEFFICIENT
nD
nRD
nSD
nCP
0.70
0.70
0.80
0.80
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