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參數資料
| 型號： | MC74AC57N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| 中文描述： | AC SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數： | 2/8頁 |
| 文件大小： | 192K |
| 代理商： | MC74AC57N |
MC74AC57 MC74ACT574
5-2
FACT DATA
FUNCTIONAL DESCRIPTION
The MC74AC574/74ACT574 consists of eight edge-
triggered flip-flops with individual D-type inputs and 3-state
true outputs. The buffered clock and buffered Output Enable
are common to all flip-flops. The eight flip-flops will store the
state of their individual D inputs that meet the setup and hold
time requirements on the LOW-to-HIGH Clock (CP) transition.
With the Output Enable (OE) LOW, the contents of the eight
flip-flops 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 flip-flops.
FUNCTION TABLE
Inputs
Internal
Outputs
Function
OE
CP
D
Q
On
Z
Z
Z
Z
L
H
NC
NC
H
H
H
H
L
L
L
L
H
H
L
H
L
H
L
H
L
H
NC
NC
L
H
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
LOGIC DIAGRAM
D0
D1
D2
D3
D4
D5
D6
D7
C
D
Q
O0
O1
O2
O3
O4
O5
O6
O7
OE
CP
C
D
Q
C
D
Q
C
D
Q
C
D
Q
C
D
Q
C
D
Q
C
D
Q
Please note that this diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation delays.
相關PDF資料 |
PDF描述 |
|---|---|
| MC74AC574DW | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| MC74ACT574 | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| MC74ACT574DW | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| MC74ACT574N | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| MC74ACT57DW | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC74AC620 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| MC74AC620DW | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| MC74AC620N | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| MC74AC623 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS |
| MC74AC623DW | 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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