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參數(shù)資料
| 型號： | HD74HCT574 |
| 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(tài)輸出） |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 68K |
| 代理商： | HD74HCT574 |
HD74HCT564/HD74HCT574
Octal D-type Flip-Flops (with 3-state outputs)
Description
These devices are positive edge triggered flip-flops. The difference between HD74HCT564 and
HD74HCT574 is only that the former has inverting outputs and the latter has non-inverting 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
control (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
LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
High Speed Operation: t
pd
(D to Q,
Q
) = 15 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: V
CC
= 4.5 to 5.5 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
HD74HCT564
HD74HCT574
L
H
L
H
L
L
H
Q
0
Z
L
L
L
X
Q
0
Z
H
X
X
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| HD74HCT640 | Octal Bus Transceivers (with 3-state outputs) |
| HD74HCT643 | Octal D-Type Edge Triggered Flip-Flops with 3-State Outputs 20-LCCC -55 to 125 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HD74HCT574FP-E | 制造商:Renesas Electronics Corporation 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 3-ST 1-Element 20-Pin SOP |
| HD74L | 制造商:Panasonic Industrial Company 功能描述:IC |
| HD74LS00FP | 制造商:Renesas Electronics 功能描述:74LS |
| HD74LS00P | 制造商:Panasonic Industrial Company 功能描述:IC 制造商:Hitachi 功能描述:Logic Circuit, Quad 2-Input NAND, LS-TTL, 14 Pin, Plastic, DIP |
| HD74LS00P-E | 制造商:Renesas Electronics Corporation 功能描述: |
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