74HC574_16 データシートの表示（PDF） - NXP Semiconductors.

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74HC574_16

Octal D-type flip-flop; positive edge-trigger; 3-state

NXP Semiconductors. 

Nexperia

74HC574; 74HCT574

Octal D-type flip-flop; positive edge-trigger; 3-state



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 '

4 

 '

4 

 '

4 

 '

4 

 '

4 

 '

4 

 '

4 

 '

4 

2(

 PQD

Fig 3. Logic symbol

5. Pinning information

5.1 Pinning



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 (1

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PQD

Fig 4. IEC logic symbol

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+&7

2( 

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*1' 

Fig 5. Pin configuration SO20, SSOP20 and TSSOP20

 9&&

 4

 4

 4

 4

 4

 4

 4

 4

 &3

DDQ

5.2 Pin description

Table 2.

Symbol

OE

D[0:7]

GND

CP

Q[0:7]

VCC

Pin description

74HC_HCT574

Product data sheet

Pin

1

2, 3, 4, 5, 6, 7, 8, 9

10

11

19, 18, 17, 16, 15, 14, 13, 12

20

Description

3-state output enable input (active LOW)

data input

ground (0 V)

clock input (LOW-to-HIGH, edge triggered)

3-state flip-flop output

supply voltage

All information provided in this document is subject to legal disclaimers.

Rev. 7 — 4 March 2016

© Nexperia B.V. 2017. All rights reserved

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