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参数资料
| 型号： | 74FTC534SCX |
| 厂商： | National Semiconductor Corporation |
| 英文描述： | Octal D Flip-Flop with TRI-STATE Outputs |
| 中文描述： | 八路D触发器触发器与三态输出 |
| 文件页数： | 2/8页 |
| 文件大小： | 140K |
| 代理商： | 74FTC534SCX |
Functional Description
The ’FCT534 consists of eight edge-triggered flip-flops with
individual D-type inputs and TRI-STATE complementary
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 times 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 the
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.
Logic Diagram
TL/F/10665–5
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
Function Table
Inputs
Output
CP
OE
D
O
L
L
L
X
L
L
L
H
H
L
X
X
L
H
O
0
Z
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
X
e
Immaterial
L
e
LOW-to-HIGH Clock Transition
Z
e
High Impedance
O
0
e
Value stored from previous clock cycle
2
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