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參數資料
| 型號： | HD74HC574 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal D-type Flip-Flops (with 3-state outputs) |
| 中文描述： | 八路D型正反器（3態輸出） |
| 文件頁數： | 1/11頁 |
| 文件大小： | 65K |
| 代理商： | HD74HC574 |
HD74HC564/HD74HC574
Octal D-type Flip-Flops (with 3-state outputs)
Description
These devices are positive edge triggered flip-flops. The difference between HD74HC564 and
HD74HC574 is only that the former has inverting outputs and the latter has noninvertering outputs.
Data at the D inputs, meeting the set-up and hold time requirements, are transferred to the Q or
Q
outputs
on positive going transitions of the clock (CK) input. when a high logic level is applied to the output cotrol
(OC) input, all outputs go to a high impedance state, regardless of what signals are present at the other
inputs and the state of the storage elements.
Features
High Speed Operation: t
pd
(Clock to Output) = 13 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1 μA max
Low Quiescent Supply Current: I
CC
(static) = 4 μA max (Ta = 25°C)
Function Table
Outputs
Output Control
Clock
Data
HD74HC564
HD74HD574
L
H
L
H
L
L
H
L
L
L
X
Q
0
Z
Q
0
Z
H
Q
0
:
Q
0
:
X
X
level of Q before the indicated Steady-sate input conditions were established.
complement of Q
0
or level of
Q
before the indicated Steady-state input Conditions were established.
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| HD74HC590 | 8-bit Binary Counter/Register (with 3-state outputs) |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| HD74HC574FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HC574FPEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HC574P-E | 制造商:Renesas Electronics 功能描述:74HC Octal D-Type Flip-Flop(3-State) |
| HD74HC590P(E) | 制造商:Renesas Electronics Corporation 功能描述: |
| HD74HC592FPEL | 制造商:Renesas Electronics Corporation 功能描述: |
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