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參數(shù)資料
| 型號： | MC74ACT574NG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal D Flip−Flop with 3−State Outputs |
| 中文描述： | ACT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | LEAD FREE, PLASTIC, DIP-20 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大小： | 125K |
| 代理商： | MC74ACT574NG |
MC74AC574, MC74ACT574
http://onsemi.com
2
FUNCTIONAL DESCRIPTION
The MC74AC574/74ACT574 consists of eight edge-
triggered flipflops with individual Dtype inputs and
3state true outputs. The buffered clock and buffered Output
Enable are common to all flipflops. The eight flipflops
will store the state of their individual D inputs that meet the
setup and hold time requirements on the LOWtoHIGH
Clock (CP) transition. With the Output Enable (OE) LOW,
the contents of the eight flipflops are available at the
outputs. When OE is HIGH, the outputs go to the high
impedance state. Operation of the OE input does not affect
the state of the flipflops.
FUNCTION TABLE
Inputs
Internal
Outputs
Function
OE
CP
D
Q
O
n
H
H
H
H
L
L
L
L
H
L
H
L
H
L
H
L
H
NC
NC
L
H
L
H
NC
NC
Z
Z
Z
Z
L
H
NC
NC
Hold
Hold
Load
Load
Data Available
Data Available
No Change in Data
No Change in Data
H
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
= LOW-to-HIGH Clock Transition
NC = No Change
Figure 3. Logic Diagram
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
C
D
Q
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
OE
CP
C
D
Q
C
D
Q
C
D
Q
C
D
Q
C
D
Q
C
D
Q
C
D
Q
NOTE:
This diagram is provided only for the understanding of logic operations
and should not be used to estimate propagation delays.
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
CC
DC Supply Voltage (Referenced to GND)
0.5 to +7.0
V
V
IN
DC Input Voltage (Referenced to GND)
0.5 to V
CC
+0.5
V
V
OUT
DC Output Voltage (Referenced to GND)
0.5 to V
CC
+0.5
V
I
IN
DC Input Current, per Pin
±
20
mA
I
OUT
DC Output Sink/Source Current, per Pin
±
50
mA
I
CC
DC V
CC
or GND Current per Output Pin
±
50
mA
T
stg
Storage Temperature
65 to +150
°
C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
相關PDF資料 |
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| MC74AC74DG | Dual D−Type Positive Edge−Triggered Flip−Flop |
| MC74AC74DR2 | Dual D−Type Positive Edge−Triggered Flip−Flop |
| MC74AC74DR2G | Dual D−Type Positive Edge−Triggered Flip−Flop |
| MC74AC74DT | Dual D−Type Positive Edge−Triggered Flip−Flop |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC74ACT57DW | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| MC74ACT57N | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| MC74ACT620 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| MC74ACT620DW | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| MC74ACT620N | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
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