74LVT273DB,112 查看數據表（PDF） - NXP Semiconductors.

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74LVT273DB,112

3.3 V octal D-type flip-flop

NXP Semiconductors. 

NXP Semiconductors

74LVT273

3.3 V octal D-type flip-flop

5. Pinning information

5.1 Pinning

MR 1

Q0 2

D0 3

D1 4

Q1 5

Q2 6

D2 7

D3 8

Q3 9

GND 10

74LVT273

20 VCC

19 Q7

18 D7

17 D6

16 Q6

15 Q5

14 D5

13 D4

12 Q4

11 CP

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Fig 4. Pin configuration for SO20 and (T)SSOP20

terminal 1

index area

74LVT273

Q0 2

D0 3

D1 4

Q1 5

Q2 6

D2 7

D3 8

Q3 9

GND(1)

19 Q7

18 D7

17 D6

16 Q6

15 Q5

14 D5

13 D4

12 Q4

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Transparent top view

(1) The die substrate is attached to this pad using

conductive die attach material. It can not be used as a

supply pin or input.

Fig 5. Pin configuration for DHVQFN20

5.2 Pin description

Table 2. Pin description

Symbol

Pin

MR

1

Q0 to Q7

2, 5, 6, 9, 12, 15, 16, 19

D0 to D7

3, 4, 7, 8, 13, 14, 17, 18

GND

10

CP

11

VCC

20

Description

master reset input (active LOW)

data output

data input

ground (0 V)

clock pulse input (active on rising edge)

positive supply voltage

74LVT273_3

Product data sheet

Rev. 03 — 10 September 2008

© NXP B.V. 2008. All rights reserved.

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